In the U.S., one trillion is written as the number “1” followed by 12 zeros (1,000,000,000,000). One year of clock time = (60sec/min) x (60 min/hr) x (24 hr/da) x (365.25 da) = 3.16 x 107 sec One trillion seconds of ordinary clock time = ( 1012 sec)/( 3.16 x 107 sec/yr) = 31,546 years! […]