What number multiplied by itself equals 729?

Here we will answer: What number multiplied by itself gives 729? In other words, what number times itself will equal 729?

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 = 729
x = 27

Square Root Method:
Take the square root of 729 to get the answer:

√729 = 27

Exponent Method:
Make the base 729 and the exponent 0.5 to get the answer:

729^0.5 = 27

There you go! Now you know how to calculate "What number multiplied by itself equals 729?"

The bottom line is that 27 times itself equals 729 as illustrated here:

27 x 27 = 729

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