What number multiplied by itself equals 6404?

Here we will answer: What number multiplied by itself gives 6404? In other words, what number times itself will equal 6404?

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 = 6404
x ≈ 80.025

Square Root Method:
Take the square root of 6404 to get the answer:

√6404 ≈ 80.025

Exponent Method:
Make the base 6404 and the exponent 0.5 to get the answer:

6404^0.5 ≈ 80.025

There you go! Now you know how to calculate "What number multiplied by itself equals 6404?"

The bottom line is that 80.025 times itself equals approximately 6404 as illustrated here:

80.025 x 80.025 ≈ 6404

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