What number multiplied by itself equals 7821?

Here we will answer: What number multiplied by itself gives 7821? In other words, what number times itself will equal 7821?

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 = 7821
x ≈ 88.436

Square Root Method:
Take the square root of 7821 to get the answer:

√7821 ≈ 88.436

Exponent Method:
Make the base 7821 and the exponent 0.5 to get the answer:

7821^0.5 ≈ 88.436

There you go! Now you know how to calculate "What number multiplied by itself equals 7821?"

The bottom line is that 88.436 times itself equals approximately 7821 as illustrated here:

88.436 x 88.436 ≈ 7821

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