Simplify Cube Root of 399

Here we will show you step-by-step how to simplify the cube root of 399. Before we continue, note that the cube root of 399 can be written as follows:

∛399

The ∛ symbol is called the radical sign. To simplify the cube root of 399 means to get the simplest radical form of ∛399.

We start by listing the factors of 399 like so:

1, 3, 7, 19, 21, 57, 133, and 399

Next, we identify the perfect cubes* from the list of factors above:

1

Since 1 is the only perfect cube above, the cube root of 399 cannot be simplified.

Although we cannot simplify the cube root of 399, we did enter the cube root of 399 into our calculator and got the following answer to the cube root of 399 in decimal form:

∛399 ≈ 7.3619

You may also be interested to know that you can write the cube root of 399 with an exponent instead of a radical like this:

∛399 = 399^⅓

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* List of Perfect Cubes