2 power 21 July 8, 2019 16 32 64 128 2 power 21 calculator 2 power 21 value 2 power 216 2 to the power 21 is equal to 2 power 210 Power 2 21 24 2 ki power 21 2 ka power 21 2 raised to power 21 2 to 21st power 2 to 21th power 2 power 40 3 power 21