What number multiplied by itself equals 820?

Here we will answer: What number multiplied by itself gives 820? In other words, what number times itself will equal 820?

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 = 820
x ≈ 28.636

Square Root Method:
Take the square root of 820 to get the answer:

√820 ≈ 28.636

Exponent Method:
Make the base 820 and the exponent 0.5 to get the answer:

820^0.5 ≈ 28.636

There you go! Now you know how to calculate "What number multiplied by itself equals 820?"

The bottom line is that 28.636 times itself equals approximately 820 as illustrated here:

28.636 x 28.636 ≈ 820

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