What is the square root of 721

The short answer is \( \sqrt{ 721 } = 26.851443164195 \).

If that's all you're looking for, thanks for coming by. But if you're interested in the hows and whys behind square roots, continue reading and we'll tell you all about the square root of 721.

721 is not a perfect square

Let's look at some math

$$ \LARGE \sqrt{ 721 } = 26.851443164195 $$

Note that \(26.851443164195\) is not a whole number, therefore 721 is not a perfect square.

The next perfect square greater than 721 is 729. The previous perfect square less than 721 is 676.

Square root of 721 as an exponent

Any square root can be converted to a number with a fractional exponent. In the case of 721 the following two values are equal.

$$ \LARGE \sqrt{ 721 } = 721^{^1/_2} $$

Square root of 721 as a fraction

Since 721 is not a perfect square, sometimes we might want to get a fractional estimate of the square root value. In the case of 721 that value is \(\Large 26 \frac{23}{27}\).

Square Root Calculator

Enter any number up to 1,000,000 in this field to calculate the square root

Nearby Square Roots