Question

What is the formula of a sphere?

Answer 1

Depending what formula, there are multiple:

surface area:
$4\pi \: r {}^{2}$
and volume:
$\frac{4}{3} \pi \: r {}^{3}$

Answer 2

Hey there,

 The formula of a sphere would be $V=4/3 \ \pi ^3$

Hope this helps.

~Jurgen