What number multiplied by itself equals 257?

Here we will answer: What number multiplied by itself gives 257? In other words, what number times itself will equal 257?

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 = 257
x ≈ 16.031

Square Root Method:
Take the square root of 257 to get the answer:

√257 ≈ 16.031

Exponent Method:
Make the base 257 and the exponent 0.5 to get the answer:

257^0.5 ≈ 16.031

There you go! Now you know how to calculate "What number multiplied by itself equals 257?"

The bottom line is that 16.031 times itself equals approximately 257 as illustrated here:

16.031 x 16.031 ≈ 257

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