1036
(1000000000000000000000000000000000000; 100012; short scale: one undecillion; long scale: one sextillion)
- Physics: kee2 / Gm2, the ratio of the electromagnetic to the gravitational forces between two protons, is roughly 1036.
- Mathematics: = 170,141,183,460,469,231,731,687,303,715,884,105,727 (≈1.7×1038) is a double Mersenne prime.
- Computing: 2128 = 340,282,366,920,938,463,463,374,607,431,768,211,456 (≈3.40282367×1038), the theoretical maximum number of Internet addresses that can be allocated under the IPv6 addressing system, one more than the largest value that can be represented by a single-precision IEEE floating-point value, the total number of different Universally Unique Identifiers (UUIDs) that can be generated.
- Cryptography: 2128 = 340,282,366,920,938,463,463,374,607,431,768,211,456 (≈3.40282367×1038), the total number of different possible keys in the AES 128-bit key space (symmetric cipher).
Read more about this topic: Orders Of Magnitude (numbers)