What number multiplied by itself equals 387?

Here we will answer: What number multiplied by itself gives 387? In other words, what number times itself will equal 387?

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 = 387
x ≈ 19.672

Square Root Method:
Take the square root of 387 to get the answer:

√387 ≈ 19.672

Exponent Method:
Make the base 387 and the exponent 0.5 to get the answer:

387^0.5 ≈ 19.672

There you go! Now you know how to calculate "What number multiplied by itself equals 387?"

The bottom line is that 19.672 times itself equals approximately 387 as illustrated here:

19.672 x 19.672 ≈ 387

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