What number multiplied by itself equals 450?

Here we will answer: What number multiplied by itself gives 450? In other words, what number times itself will equal 450?

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 = 450
x ≈ 21.213

Square Root Method:
Take the square root of 450 to get the answer:

√450 ≈ 21.213

Exponent Method:
Make the base 450 and the exponent 0.5 to get the answer:

450^0.5 ≈ 21.213

There you go! Now you know how to calculate "What number multiplied by itself equals 450?"

The bottom line is that 21.213 times itself equals approximately 450 as illustrated here:

21.213 x 21.213 ≈ 450

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