What number multiplied by itself equals 6640?

Here we will answer: What number multiplied by itself gives 6640? In other words, what number times itself will equal 6640?

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 = 6640
x ≈ 81.486

Square Root Method:
Take the square root of 6640 to get the answer:

√6640 ≈ 81.486

Exponent Method:
Make the base 6640 and the exponent 0.5 to get the answer:

6640^0.5 ≈ 81.486

There you go! Now you know how to calculate "What number multiplied by itself equals 6640?"

The bottom line is that 81.486 times itself equals approximately 6640 as illustrated here:

81.486 x 81.486 ≈ 6640

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