What number multiplied by itself equals 661?

Here we will answer: What number multiplied by itself gives 661? In other words, what number times itself will equal 661?

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 = 661
x ≈ 25.71

Square Root Method:
Take the square root of 661 to get the answer:

√661 ≈ 25.71

Exponent Method:
Make the base 661 and the exponent 0.5 to get the answer:

661^0.5 ≈ 25.71

There you go! Now you know how to calculate "What number multiplied by itself equals 661?"

The bottom line is that 25.71 times itself equals approximately 661 as illustrated here:

25.71 x 25.71 ≈ 661

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