4.21375e+22 mega electrons equals 6.74 megajoules.
Convert 4.21375e+22 mega electrons into joules, kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, etc...
Convert 7 megajoules into joules, kilojoules, calories, newton meters, foot pounds, watt hours, kilowatt hours, megawatt hours, etc...