What is the square root of 357

The short answer is \( \sqrt{ 357 } = 18.894443627691 \).

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 357.

357 is not a perfect square

Let's look at some math

$$ \LARGE \sqrt{ 357 } = 18.894443627691 $$

Note that \(18.894443627691\) is not a whole number, therefore 357 is not a perfect square.

The next perfect square greater than 357 is 361. The previous perfect square less than 357 is 324.

Square root of 357 as an exponent

Any square root can be converted to a number with a fractional exponent. In the case of 357 the following two values are equal.

$$ \LARGE \sqrt{ 357 } = 357^{^1/_2} $$

Square root of 357 as a fraction

Since 357 is not a perfect square, sometimes we might want to get a fractional estimate of the square root value. In the case of 357 that value is \(\Large 18 \frac{17}{19}\).

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