What number multiplied by itself equals 668?

Here we will answer: What number multiplied by itself gives 668? In other words, what number times itself will equal 668?

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 = 668
x ≈ 25.846

Square Root Method:
Take the square root of 668 to get the answer:

√668 ≈ 25.846

Exponent Method:
Make the base 668 and the exponent 0.5 to get the answer:

668^0.5 ≈ 25.846

There you go! Now you know how to calculate "What number multiplied by itself equals 668?"

The bottom line is that 25.846 times itself equals approximately 668 as illustrated here:

25.846 x 25.846 ≈ 668

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