There are a couple cool articles floating around on the tech behind G-Force. Here are some statistics from Popular Mechanics website.
There were 271,955,886,586 photorealistic hairs rendered in the movie.
A giant robot with 78,000 geometric pieces and 16,400,000 polygons.
Storing the film required 515 terabytes of space
The longest render time for one frame was 125 hours.
There were over 1800 shots in the movie. (Plus the 3D stereo shots)
Also BoxOfficeMojo has G-Force at #1 bringing in an estimated $32,185,000.