What number multiplied by itself equals 819?

Here we will answer: What number multiplied by itself gives 819? In other words, what number times itself will equal 819?

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 = 819
x ≈ 28.618

Square Root Method:
Take the square root of 819 to get the answer:

√819 ≈ 28.618

Exponent Method:
Make the base 819 and the exponent 0.5 to get the answer:

819^0.5 ≈ 28.618

There you go! Now you know how to calculate "What number multiplied by itself equals 819?"

The bottom line is that 28.618 times itself equals approximately 819 as illustrated here:

28.618 x 28.618 ≈ 819

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