What number multiplied by itself equals 438?

Here we will answer: What number multiplied by itself gives 438? In other words, what number times itself will equal 438?

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 = 438
x ≈ 20.928

Square Root Method:
Take the square root of 438 to get the answer:

√438 ≈ 20.928

Exponent Method:
Make the base 438 and the exponent 0.5 to get the answer:

438^0.5 ≈ 20.928

There you go! Now you know how to calculate "What number multiplied by itself equals 438?"

The bottom line is that 20.928 times itself equals approximately 438 as illustrated here:

20.928 x 20.928 ≈ 438

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