What number multiplied by itself equals 428?

Here we will answer: What number multiplied by itself gives 428? In other words, what number times itself will equal 428?

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 = 428
x ≈ 20.688

Square Root Method:
Take the square root of 428 to get the answer:

√428 ≈ 20.688

Exponent Method:
Make the base 428 and the exponent 0.5 to get the answer:

428^0.5 ≈ 20.688

There you go! Now you know how to calculate "What number multiplied by itself equals 428?"

The bottom line is that 20.688 times itself equals approximately 428 as illustrated here:

20.688 x 20.688 ≈ 428

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