What number multiplied by itself equals 685?

Here we will answer: What number multiplied by itself gives 685? In other words, what number times itself will equal 685?

We have identified many different ways of getting the answer to this question:

Algebra Method:
Make an algebra equation and solve for x:

x • x = 685
x ≈ 26.173

Square Root Method:
Take the square root of 685 to get the answer:

√685 ≈ 26.173

Exponent Method:
Make the base 685 and the exponent 0.5 to get the answer:

685^0.5 ≈ 26.173

There you go! Now you know how to calculate "What number multiplied by itself equals 685?"

The bottom line is that 26.173 times itself equals approximately 685 as illustrated here:

26.173 x 26.173 ≈ 685

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The answer on this page is rounded to the nearest thousandth, if necessary.