What number multiplied by itself equals 809?

Here we will answer: What number multiplied by itself gives 809? In other words, what number times itself will equal 809?

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 = 809
x ≈ 28.443

Square Root Method:
Take the square root of 809 to get the answer:

√809 ≈ 28.443

Exponent Method:
Make the base 809 and the exponent 0.5 to get the answer:

809^0.5 ≈ 28.443

There you go! Now you know how to calculate "What number multiplied by itself equals 809?"

The bottom line is that 28.443 times itself equals approximately 809 as illustrated here:

28.443 x 28.443 ≈ 809

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