What number multiplied by itself equals 220?

Here we will answer: What number multiplied by itself gives 220? In other words, what number times itself will equal 220?

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 = 220
x ≈ 14.832

Square Root Method:
Take the square root of 220 to get the answer:

√220 ≈ 14.832

Exponent Method:
Make the base 220 and the exponent 0.5 to get the answer:

220^0.5 ≈ 14.832

There you go! Now you know how to calculate "What number multiplied by itself equals 220?"

The bottom line is that 14.832 times itself equals approximately 220 as illustrated here:

14.832 x 14.832 ≈ 220

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