What square root equals 686?

What square root equals 686? In other words, what number would you take the square root of to get 686? To solve this problem, we want to find x in the following equation:

√x = 686

To solve the √x = 686 equation, we first raise both sides to the power of 2 to eliminate the square root:

(√x)² = 686²
x = 686²

Then, we calculate 686² to get the following answer:

686² = 686 × 686
686² = 470,596

√470,596 = 686

We've provided the equation above to help you understand the underlying concept of solving problems like this. In the future, remember that you can solve all similar problems by simply multiplying the number by itself.

What Square Root Equals
Use the tool below to solve another problem like the one we solved on this page.

What square root equals 687?
Here is another square root problem that you may find interesting.