A huge number of people hit the search engine asking how many zeros (0’s) are in the number one million. There are six zeros “1,000,000″ in one million.
Now for billion and trillion, the definitions are different in UK and US
In US one billion has nine zeros “1,000,000,000″, and one trillion has twelve zeroes “1,000,000,000,000″.
In UK billion means twice as many zeros as one million or 12 zeros “1,000,000,000,000″. And trillion means three times as many zeros as one million of 18 zeros “1,000,000,000,000,000,000″.