Trillionth

A trillionth, 10-18 or ( 10-3) 6 is in most European countries 1,000,000. Stels part of a trillion. Written out, the number seventeen zeros after the decimal point: 0,000.000.000.000.000.001. Another name with the meaning trillionth is the scientific prefix atto.

In English-speaking countries called " trillionth ", however, 10-12 or 0,000.000.000.001, scientific prefix pico.