What number multiplied by itself equals 66?

Here we will answer: What number multiplied by itself gives 66? In other words, what number times itself will equal 66?

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 = 66
x ≈ 8.124

Square Root Method:
Take the square root of 66 to get the answer:

√66 ≈ 8.124

Exponent Method:
Make the base 66 and the exponent 0.5 to get the answer:

66^0.5 ≈ 8.124

There you go! Now you know how to calculate "What number multiplied by itself equals 66?"

The bottom line is that 8.124 times itself equals approximately 66 as illustrated here:

8.124 x 8.124 ≈ 66

Multiplied By Itself Equals Calculator
Need to calculate what number multiplied by itself equals another number? Please enter it below.

What number multiplied by itself equals 67?
Learn about the next number on our list here!

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