Exponent

The term EN is sometimes found as an old-fashioned short notation scheme for exponent E to the power of some number N, which is written formulaically as follows:

where N is a positive number. If N equals 22, for example:

This notation scheme is useful in expressing shorthand notation for numbers of atoms in a human molecule which can reach upwards E27, depending on atom, such as hydrogen or oxygen. Hence, for instance, the notation:

become shortened to:

ZnE22

or in subscript notation:

or in Latex notation:

all of which are equivalent, which signify that there are 10 sextillion Zinc atoms in the average human molecule.

See also

● Number of atoms in