Here we will define, analyze, simplify, and calculate the square root of 5205. We start off with the definition and then answer some common questions about the square root of 5205. Then, we will show you different ways of calculating the square root of 5205 with and without a computer or calculator. We have a lot of information to share, so let's get started!
Square root of 5205 definition
The square root of 5205 in mathematical form is written with the radical sign like this √5205. We call this the square root of 5205 in radical form. The square root of 5205 is a quantity (q) that when multiplied by itself will equal 5205.
√5205 = q × q = q2
Is 5205 a perfect square?
5205 is a perfect square if the square root of 5205 equals a whole number. As we have calculated further down on this page, the square root of 5205 is not a whole number.
5205 is not a perfect square.
Is the square root of 5205 rational or irrational?
The square root of 5205 is a rational number if 5205 is a perfect square. It is an irrational number if it is not a perfect square. Since 5205 is not a perfect square, it is an irrational number. This means that the answer to "the square root of 5205?" will have an infinite number of decimals. The decimals will not terminate and you cannot make it into an exact fraction.
√5205 is an irrational number
Can the square root of 5205 be simplified?
You can simplify 5205 if you can make 5205 inside the radical smaller. We call this process "to simplify a surd". The square root of 5205 cannot be simplified.
√5205 is already in its simplest radical form.
How to calculate the square root of 5205 with a calculator
The easiest and most boring way to calculate the square root of 5205 is to use your calculator! Simply type in 5205 followed by √x to get the answer. We did that with our calculator and got the following answer with 9 decimal numbers:
√5205 ≈ 72.145685942
How to calculate the square root of 5205 with a computer
If you are using a computer that has Excel or Numbers, then you can enter SQRT(5205) in a cell to get the square root of 5205. Below is the result we got with 13 decimals. We call this the square root of 5205 in decimal form.
SQRT(5205) ≈ 72.1456859417110
What is the square root of 5205 rounded?
The square root of 5205 rounded to the nearest tenth, means that you want one digit after the decimal point. The square root of 5205 rounded to the nearest hundredth, means that you want two digits after the decimal point. The square root of 5205 rounded to the nearest thousandth, means that you want three digits after the decimal point.
10th: √5205 ≈ 72.1
100th: √5205 ≈ 72.15
1000th: √5205 ≈ 72.146
What is the square root of 5205 as a fraction?
Like we said above, since the square root of 5205 is an irrational number, we cannot make it into an exact fraction. However, we can make it into an approximate fraction using the square root of 5205 rounded to the nearest hundredth.
√5205
≈ 72.15/1
≈ 7215/100
≈ 72 3/20
What is the square root of 5205 written with an exponent?
All square roots can be converted to a number (base) with a fractional exponent. The square root of 5205 is no exception. Here is the rule and the answer to "the square root of 5205 converted to a base with an exponent?":
√b = b½
√5205 = 5205½
How to find the square root of 5205 by long division method
Here we will show you how to calculate the square root of 5205 using the long division method with one decimal place accuracy. This is the lost art of how they calculated the square root of 5205 by hand before modern technology was invented.
Step 1)
Set up 5205 in pairs of two digits from right to left and attach one set of 00 because we want one decimal:
| 52 | 05 | 00 |
Step 2)
Starting with the first set: the largest perfect square less than or equal to 52 is 49, and the square root of 49 is 7. Therefore, put 7 on top and 49 at the bottom like this:
| 7 | |||
| 52 | 05 | 00 | |
| 49 | |||
Step 3)
Calculate 52 minus 49 and put the difference below. Then move down the next set of numbers.
| 7 | |||
| 52 | 05 | 00 | |
| 49 | |||
| 3 | 05 | ||
Step 4)
Double the number in green on top: 7 × 2 = 14. Then, use 14 and the bottom number to make this problem:
14? × ? ≤ 305
The question marks are "blank" and the same "blank". With trial and error, we found the largest number "blank" can be is 2. Replace the question marks in the problem with 2 to get:
142 × 2 = 284.
Now, enter 2 on top, and 284 at the bottom:
| 7 | 2 | ||
| 52 | 05 | 00 | |
| 49 | |||
| 3 | 05 | ||
| 2 | 84 | ||
Step 5)
Calculate 305 minus 284 and put the difference below. Then move down the next set of numbers.
| 7 | 2 | ||
| 52 | 05 | 00 | |
| 49 | |||
| 3 | 05 | ||
| 2 | 84 | ||
| 0 | 21 | 00 | |
Step 6)
Double the number in green on top: 72 × 2 = 144. Then, use 144 and the bottom number to make this problem:
144? × ? ≤ 2100
The question marks are "blank" and the same "blank". With trial and error, we found the largest number "blank" can be is 1. Now, enter 1 on top:
| 7 | 2 | 1 | |
| 52 | 05 | 00 | |
| 49 | |||
| 3 | 05 | ||
| 2 | 84 | ||
| 0 | 21 | 00 | |
That's it! The answer is on top. The square root of 5205 with one digit decimal accuracy is 72.1. Did you notice that the last two steps repeat the previous two steps. You can add decimals by simply adding more sets of 00 and repeating the last two steps over and over.
Square Root of a Number
Please enter another number in the box below to get the square root of the number and other detailed information like you got for 5205 on this page.
Notes
Remember that negative times negative equals positive. Thus, the square root of 5205 does not only have the positive answer that we have explained above, but also the negative counterpart.
We often refer to perfect square roots on this page. You may want to use the list of perfect squares for reference.
Square Root of 5206
Here is the next number on our list that we have equally detailed square root information about.
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