What number multiplied by itself equals 456?

Here we will answer: What number multiplied by itself gives 456? In other words, what number times itself will equal 456?

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 = 456
x ≈ 21.354

Square Root Method:
Take the square root of 456 to get the answer:

√456 ≈ 21.354

Exponent Method:
Make the base 456 and the exponent 0.5 to get the answer:

456^0.5 ≈ 21.354

There you go! Now you know how to calculate "What number multiplied by itself equals 456?"

The bottom line is that 21.354 times itself equals approximately 456 as illustrated here:

21.354 x 21.354 ≈ 456

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