The average lifespan is nearly two and a half billion seconds.
A football game takes 3,600. An NBA game is supposed to last 2,880 but sometimes they go a little longer. Some games end up lasting forever, like Game One of the 2018 NBA Finals.
George Hill was at the free throw line in Oakland with the final 4.7 seconds frozen on the clock. Game tied. His go-ahead point bricked off the rim, but teammate J.R. Smith snatched the ball away from Kevin Durant, Golden State's best player. Time immediately unfroze, and the remaining 4.7 seconds dripped away as Cleveland's first and last-best chance in the Finals was forfeited in historic fashion.