電卓でやってみた
6^2
=36
36^2
=1,296
1,296^2
=1,679,616
1,679,616^2
=2,821,109,907,456
2,821,109,907,456^2
=7.958661109946E24
7.958661109946E24÷36
=2.210739197207E23
6^(30)
=2.210739197207E23