Here we will define, analyze, simplify, and calculate the square root of 6816. We start off with the definition and then answer some common questions about the square root of 6816. Then, we will show you different ways of calculating the square root of 6816 with and without a computer or calculator. We have a lot of information to share, so let's get started!
Square root of 6816 definition
The square root of 6816 in mathematical form is written with the radical sign like this √6816. We call this the square root of 6816 in radical form. The square root of 6816 is a quantity (q) that when multiplied by itself will equal 6816.
√6816 = q × q = q2
Is 6816 a perfect square?
6816 is a perfect square if the square root of 6816 equals a whole number. As we have calculated further down on this page, the square root of 6816 is not a whole number.
6816 is not a perfect square.
Is the square root of 6816 rational or irrational?
The square root of 6816 is a rational number if 6816 is a perfect square. It is an irrational number if it is not a perfect square. Since 6816 is not a perfect square, it is an irrational number. This means that the answer to "the square root of 6816?" will have an infinite number of decimals. The decimals will not terminate and you cannot make it into an exact fraction.
√6816 is an irrational number
Can the square root of 6816 be simplified?
You can simplify 6816 if you can make 6816 inside the radical smaller. We call this process "to simplify a surd". The square root of 6816 can be simplified.
√6816 = 4√426
How to calculate the square root of 6816 with a calculator
The easiest and most boring way to calculate the square root of 6816 is to use your calculator! Simply type in 6816 followed by √x to get the answer. We did that with our calculator and got the following answer with 9 decimal numbers:
√6816 ≈ 82.559069762
How to calculate the square root of 6816 with a computer
If you are using a computer that has Excel or Numbers, then you can enter SQRT(6816) in a cell to get the square root of 6816. Below is the result we got with 13 decimals. We call this the square root of 6816 in decimal form.
SQRT(6816) ≈ 82.5590697622012
What is the square root of 6816 rounded?
The square root of 6816 rounded to the nearest tenth, means that you want one digit after the decimal point. The square root of 6816 rounded to the nearest hundredth, means that you want two digits after the decimal point. The square root of 6816 rounded to the nearest thousandth, means that you want three digits after the decimal point.
10th: √6816 ≈ 82.6
100th: √6816 ≈ 82.56
1000th: √6816 ≈ 82.559
What is the square root of 6816 as a fraction?
Like we said above, since the square root of 6816 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 6816 rounded to the nearest hundredth.
√6816
≈ 82.56/1
≈ 8256/100
≈ 82 14/25
What is the square root of 6816 written with an exponent?
All square roots can be converted to a number (base) with a fractional exponent. The square root of 6816 is no exception. Here is the rule and the answer to "the square root of 6816 converted to a base with an exponent?":
√b = b½
√6816 = 6816½
How to find the square root of 6816 by long division method
Here we will show you how to calculate the square root of 6816 using the long division method with one decimal place accuracy. This is the lost art of how they calculated the square root of 6816 by hand before modern technology was invented.
Step 1)
Set up 6816 in pairs of two digits from right to left and attach one set of 00 because we want one decimal:
| 68 | 16 | 00 |
Step 2)
Starting with the first set: the largest perfect square less than or equal to 68 is 64, and the square root of 64 is 8. Therefore, put 8 on top and 64 at the bottom like this:
| 8 | |||
| 68 | 16 | 00 | |
| 64 | |||
Step 3)
Calculate 68 minus 64 and put the difference below. Then move down the next set of numbers.
| 8 | |||
| 68 | 16 | 00 | |
| 64 | |||
| 4 | 16 | ||
Step 4)
Double the number in green on top: 8 × 2 = 16. Then, use 16 and the bottom number to make this problem:
16? × ? ≤ 416
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:
162 × 2 = 324.
Now, enter 2 on top, and 324 at the bottom:
| 8 | 2 | ||
| 68 | 16 | 00 | |
| 64 | |||
| 4 | 16 | ||
| 3 | 24 | ||
Step 5)
Calculate 416 minus 324 and put the difference below. Then move down the next set of numbers.
| 8 | 2 | ||
| 68 | 16 | 00 | |
| 64 | |||
| 4 | 16 | ||
| 3 | 24 | ||
| 0 | 92 | 00 | |
Step 6)
Double the number in green on top: 82 × 2 = 164. Then, use 164 and the bottom number to make this problem:
164? × ? ≤ 9200
The question marks are "blank" and the same "blank". With trial and error, we found the largest number "blank" can be is 5. Now, enter 5 on top:
| 8 | 2 | 5 | |
| 68 | 16 | 00 | |
| 64 | |||
| 4 | 16 | ||
| 3 | 24 | ||
| 0 | 92 | 00 | |
That's it! The answer is on top. The square root of 6816 with one digit decimal accuracy is 82.5. 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 6816 on this page.
Notes
Remember that negative times negative equals positive. Thus, the square root of 6816 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 6817
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