1039
(1000000000000000000000000000000000000000; 100013; short scale: one duodecillion; long scale: one thousand sextillion, or one sextilliard)
- Cosmology: The Eddington–Dirac number is roughly 1040.
- Mathematics: 69,720,375,229,712,477,164,533,808,935,312,303,556,800 (≈6.97×1040) is the least common multiple of every integer from 1 to 100.
Read more about this topic: Orders Of Magnitude (numbers)