Simplify Cube Root of 639

Here we will show you step-by-step how to simplify the cube root of 639. Before we continue, note that the cube root of 639 can be written as follows:

∛639

The ∛ symbol is called the radical sign. To simplify the cube root of 639 means to get the simplest radical form of ∛639.

We start by listing the factors of 639 like so:

1, 3, 9, 71, 213, and 639

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 639 cannot be simplified.

Although we cannot simplify the cube root of 639, we did enter the cube root of 639 into our calculator and got the following answer to the cube root of 639 in decimal form:

∛639 ≈ 8.6132

You may also be interested to know that you can write the cube root of 639 with an exponent instead of a radical like this:

∛639 = 639^⅓

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Simplify Cube Root of 640
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* List of Perfect Cubes