What number multiplied by itself equals 321?

Here we will answer: What number multiplied by itself gives 321? In other words, what number times itself will equal 321?

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 = 321
x ≈ 17.916

Square Root Method:
Take the square root of 321 to get the answer:

√321 ≈ 17.916

Exponent Method:
Make the base 321 and the exponent 0.5 to get the answer:

321^0.5 ≈ 17.916

There you go! Now you know how to calculate "What number multiplied by itself equals 321?"

The bottom line is that 17.916 times itself equals approximately 321 as illustrated here:

17.916 x 17.916 ≈ 321

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