What number multiplied by itself equals 664?

Here we will answer: What number multiplied by itself gives 664? In other words, what number times itself will equal 664?

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 = 664
x ≈ 25.768

Square Root Method:
Take the square root of 664 to get the answer:

√664 ≈ 25.768

Exponent Method:
Make the base 664 and the exponent 0.5 to get the answer:

664^0.5 ≈ 25.768

There you go! Now you know how to calculate "What number multiplied by itself equals 664?"

The bottom line is that 25.768 times itself equals approximately 664 as illustrated here:

25.768 x 25.768 ≈ 664

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