a onepointsevenmoose conversion
about 1.7 seconds for an arrow from a 50-lb compound bow to reach that height
1 great pyramid of giza: arrow launched straight up at 300 fps (91.44 m/s), no air drag; unreachable above ~426 m → 1.663
58 adult bull moose — please respect the elevator's posted capacity
* not a typo — the plural of moose is moose
1 great pyramid of giza = 138.5 m ÷ 2.4 m per adult bull moose = 57.71 → 58
64 Shaquille O'Neals standing on each other's shoulders
1 great pyramid of giza = 138.5 m ÷ 2.16 m per Shaquille O'Neal = 64.12 → 64
61 Chewbaccas standing on each other's shoulders
1 great pyramid of giza = 138.5 m ÷ 2.28 m per Chewbacca = 60.75 → 61
35 Easter Island moais
1 great pyramid of giza = 138.5 m ÷ 4 m per Easter Island moai = 34.63 → 35