https://youtu.be/P1ww1IXRfTA?t=1592
"And for two electrons, gravity is so weak compared to electricity, electricity is so much more enormous than the gravity. I can't express because I don't know the name of the numbers. Its one with thirty eight or forty zeros after the one. Bigger is electricity!"
Ask any student studying for JEE and they will tell you in an instant how many zeros after 1, without any depth of understanding of the marvel.