What number multiplied by itself equals 864?

Here we will answer: What number multiplied by itself gives 864? In other words, what number times itself will equal 864?

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 = 864
x ≈ 29.394

Square Root Method:
Take the square root of 864 to get the answer:

√864 ≈ 29.394

Exponent Method:
Make the base 864 and the exponent 0.5 to get the answer:

864^0.5 ≈ 29.394

There you go! Now you know how to calculate "What number multiplied by itself equals 864?"

The bottom line is that 29.394 times itself equals approximately 864 as illustrated here:

29.394 x 29.394 ≈ 864

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