What number multiplied by itself equals 1991?

Here we will answer: What number multiplied by itself gives 1991? In other words, what number times itself will equal 1991?

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 = 1991
x ≈ 44.621

Square Root Method:
Take the square root of 1991 to get the answer:

√1991 ≈ 44.621

Exponent Method:
Make the base 1991 and the exponent 0.5 to get the answer:

1991^0.5 ≈ 44.621

There you go! Now you know how to calculate "What number multiplied by itself equals 1991?"

The bottom line is that 44.621 times itself equals approximately 1991 as illustrated here:

44.621 x 44.621 ≈ 1991

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