What number multiplied by itself equals 42?

Here we will answer: What number multiplied by itself gives 42? In other words, what number times itself will equal 42?

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 = 42
x ≈ 6.481

Square Root Method:
Take the square root of 42 to get the answer:

√42 ≈ 6.481

Exponent Method:
Make the base 42 and the exponent 0.5 to get the answer:

42^0.5 ≈ 6.481

There you go! Now you know how to calculate "What number multiplied by itself equals 42?"

The bottom line is that 6.481 times itself equals approximately 42 as illustrated here:

6.481 x 6.481 ≈ 42

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