What number multiplied by itself equals 990?

Here we will answer: What number multiplied by itself gives 990? In other words, what number times itself will equal 990?

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 = 990
x ≈ 31.464

Square Root Method:
Take the square root of 990 to get the answer:

√990 ≈ 31.464

Exponent Method:
Make the base 990 and the exponent 0.5 to get the answer:

990^0.5 ≈ 31.464

There you go! Now you know how to calculate "What number multiplied by itself equals 990?"

The bottom line is that 31.464 times itself equals approximately 990 as illustrated here:

31.464 x 31.464 ≈ 990

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