What number multiplied by itself equals 3999?

Here we will answer: What number multiplied by itself gives 3999? In other words, what number times itself will equal 3999?

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 = 3999
x ≈ 63.238

Square Root Method:
Take the square root of 3999 to get the answer:

√3999 ≈ 63.238

Exponent Method:
Make the base 3999 and the exponent 0.5 to get the answer:

3999^0.5 ≈ 63.238

There you go! Now you know how to calculate "What number multiplied by itself equals 3999?"

The bottom line is that 63.238 times itself equals approximately 3999 as illustrated here:

63.238 x 63.238 ≈ 3999

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