Is there a way to express a term containing a higher order radical?

Questions
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1

For example, I want to enter:

1 / the cube root of 27

2

My other response was more for run, but now seriously: if you don’t know how to enter something, as Wolfram Alpha. Type =, then type what you need.

= 1 / the cube root of 27

will tell you that the correct input for this is 1/CubeRoot[27]

For information on 2D typsetting watch this video.