GEOMEAN Returns the geometric mean of the numbers in a column.
Syntax
GEOMEAN(column)
Parameters
column – The column that contains the numbers for which the geometric mean is to be computed.
Return Value
To return the geometric mean of an expression evaluated for each row in a table, use GEOMEANX function (DAX).
Reference Data
https://docs.microsoft.com/en-us/dax/dax-function-reference