Full name: exacentury
Plural form: exacenturies
Category type: time
Scale factor: 3.15576E+27
The SI base unit for time is the second.
1 second is equal to 3.1688087814029E-28 exacentury.
Valid units must be of the time type.
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The SI prefix "exa" represents a factor of 1018, or in exponential notation, 1E18.
So 1 exacentury = 1018 centuries.
The definition of a century is as follows:
A century is a period of 100 years, which can have either 24 or 25 leap years, depends on whether the year xx00 is a leap year or not.
We assume there are 25 leap year days in a typical century. A non-leap year of 365 days would have 86,400 * 365 = 31,536,000 seconds in it. Adding another 25 days adds 2,160,000 seconds, so there are a total of 3,155,760,000 seconds in a century that has 25 leap years.