The Atomic Radius of a Gold Atom Is About 130 $\pi$

The atomic radius of a gold atom is about 130 pm.Determine the maximum number of atoms that would create a 2 * 10² cm³ sphere (roughly the size of a baseball) .The volume of a sphere is 4 $\pi$ r³/3.

A) 2.1 * 10⁵
B) 2 * 10²⁵
C) 2 * 10¹⁷
D) 2.7 * 10²⁴
E) 2.1 * 10³¹