What number multiplied by itself equals 393?

Here we will answer: What number multiplied by itself gives 393? In other words, what number times itself will equal 393?

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 = 393
x ≈ 19.824

Square Root Method:
Take the square root of 393 to get the answer:

√393 ≈ 19.824

Exponent Method:
Make the base 393 and the exponent 0.5 to get the answer:

393^0.5 ≈ 19.824

There you go! Now you know how to calculate "What number multiplied by itself equals 393?"

The bottom line is that 19.824 times itself equals approximately 393 as illustrated here:

19.824 x 19.824 ≈ 393

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