What number multiplied by itself equals 811?

Here we will answer: What number multiplied by itself gives 811? In other words, what number times itself will equal 811?

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 = 811
x ≈ 28.478

Square Root Method:
Take the square root of 811 to get the answer:

√811 ≈ 28.478

Exponent Method:
Make the base 811 and the exponent 0.5 to get the answer:

811^0.5 ≈ 28.478

There you go! Now you know how to calculate "What number multiplied by itself equals 811?"

The bottom line is that 28.478 times itself equals approximately 811 as illustrated here:

28.478 x 28.478 ≈ 811

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