In 1 day there are 24 hours x 60 min/hour x 60 seconds/min = 86 400 seconds
So divide 9.39 x 10^9 by 86 400 to determine the # of days there are
= (9.39 x 10^9) ÷ (8.64 x 10^4)
= (9.39 ÷ 8.64) x (10^9 ÷ 10^4)
= 1.0868055556 x 10^5
= 108 681 (nearest whole day)
