## Number of Zeros in a Billion

**How many zeroes are there in one billion?**

**9.**

The number 1 billion has 9 zeroes. Written in numerical notation, 1 billion is equivalent to 1,000,000,000. Â It is also sometimes called one thousand million and is written in scientific notation as 1Ã—10^{9} or just 10^{9}. The word billion comes from the French word *byllion *which referred to ‘˜two’™ + (m)illion and later altered into ‘˜a thousand million’™.

This fact is verified on : February 6, 2010.