1010
(10000000000; short scale: ten billion; long scale: ten thousand million, or ten milliard)
- BioMed — bacteria in the human body: There are roughly 1010 bacteria in the human oral cavity
- Astronomy — Observable galaxies: as of 2003 there are between 1×1010 and 8×1010 galaxies in the observable universe
- Computing — web pages: approximately 5.6×1010 web pages indexed by Google as of 2010.
Read more about this topic: Orders Of Magnitude (numbers)