What number multiplied by itself equals 423?

Here we will answer: What number multiplied by itself gives 423? In other words, what number times itself will equal 423?

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 = 423
x ≈ 20.567

Square Root Method:
Take the square root of 423 to get the answer:

√423 ≈ 20.567

Exponent Method:
Make the base 423 and the exponent 0.5 to get the answer:

423^0.5 ≈ 20.567

There you go! Now you know how to calculate "What number multiplied by itself equals 423?"

The bottom line is that 20.567 times itself equals approximately 423 as illustrated here:

20.567 x 20.567 ≈ 423

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