Crazy numbers

The lowest temperature possible, in degrees Celsius.

The numbers of particles in a mole (in chemistry, not the animal).

50,000 in Roman numerals (Vinculum notation).

An eleventh.

A never-ending irrational number beginning 1.41421356237.

The approximate number of bytes of data stored in the world's computers (100 zettabytes).

Represented by the letter i, this is used in calculations of alternating current and in music and video software.

The number of cells in an average adult human body.

The number of atoms in an adult human.

A highly divisible number, it is the lowest one to have 14 different divisors (factors).

Approximately the number of possible situations in a game of chess (10^40).

Another term for 10^161, which is the number of possible combinations on a 7x7x7 Rubik's cube.

A number used in a proof on hypercubes, which is so immense that the universe is too small to contain a digital representation of it.

Written as 10^(10^100), this is 10 to the power 10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.