10thhexagonalnumber

<-- Enter hexagonal number statement
  

Calculate hexagonal number 10

The formula for hexagonal number n is as follows
Hn = n(2n - 1)

Given n = 10, we have:
Hn = 10(2(10) - 1)
Hn = 10(20 - 1)
Hn = 10(19)
H10 = 190