TRILLION

This article is about the short scale trillion. For details about differing meanings of the word, see long and short scales.

1,000,000,000,000 known as a trillion in the short scale, is the number that comes after 999,999,999,999 and before 1,000,000,000,001. In the long scale, this number is referred to as a billion.

In scientific notation, it is written as 10¹². The prefix for this number is tera.

Selected 13-digit numbers

• 1307674368000 - Factorial of 15
• 1548008755920 - Fibonacci number
• 2504730781961 - Fibonacci number
• 4052739537881 - Fibonacci number
• 6557470319842 - Fibonacci number

Trillion in science and mathematics

• BioMed - Bacteria on the human body: the surface of the human body houses roughly one trillion bacteria [1]
• Mathematics: 1.1 * One trillion - The approximate number of known non-trivial zeros of Riemann zeta function as of August 2005 [2]
• BioMed - Cells in the human body: the human body consists of roughly one hundred trillion cells
• Mathematics - Known digits of pi: As of 2002, the number of known digits of pi was 1 241 100 000 000

See also

• List of numbers
• Names of large numbers
• SI prefixes