What number multiplied by itself equals 51?

Here we will answer: What number multiplied by itself gives 51? In other words, what number times itself will equal 51?

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 = 51
x ≈ 7.141

Square Root Method:
Take the square root of 51 to get the answer:

√51 ≈ 7.141

Exponent Method:
Make the base 51 and the exponent 0.5 to get the answer:

51^0.5 ≈ 7.141

There you go! Now you know how to calculate "What number multiplied by itself equals 51?"

The bottom line is that 7.141 times itself equals approximately 51 as illustrated here:

7.141 x 7.141 ≈ 51

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