l 30thnonagonalnumber
Enter nonagonal statement

Calculate nonagonal number 30

Nonagonal numbers form equally spaced points.

The points form a nonagon.

Nonagonal Number Formula

Nn  =  n(7n - 5)
  2

Plug in n = 30

N30  =  30(7(30) - 5)
  2

N30  =  30(210 - 5)
  2

N30  =  30(205)
  2

N30  =  6150
  2


N30 = 3,075