Convert from gigagram to electron

Unit Definition (gigagram)
An SI unit of mass equal to 10E9 grams, one million kilograms, or 1 kilotonne (1000 metric tons). This unit is used in scientific contexts, such as the measurement of atmospheric emissions. One gigagram equals about 2.2046 million pounds or 1102.3 U.S. (short) tons.

Unit Definition (electron)
The electron is the mass of the electron, often used as a unit of mass in particle physics. An electron has a mass of about 9.109 382 x 10E-31 kilogram, 9.109 382 x 10E-28 gram, or 0.510 9989 million electronvolts.