What number multiplied by itself equals 129?

Here we will answer: What number multiplied by itself gives 129? In other words, what number times itself will equal 129?

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 = 129
x ≈ 11.358

Square Root Method:
Take the square root of 129 to get the answer:

√129 ≈ 11.358

Exponent Method:
Make the base 129 and the exponent 0.5 to get the answer:

129^0.5 ≈ 11.358

There you go! Now you know how to calculate "What number multiplied by itself equals 129?"

The bottom line is that 11.358 times itself equals approximately 129 as illustrated here:

11.358 x 11.358 ≈ 129

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