How many century in 1 gigasecond? The answer is 0.31688087814029. We assume you are converting between century and gigasecond. You can view more details on each measurement unit: century or gigasecond The SI base unit for time is the second. 1 second is equal to 3.1688087814029E-10 century, or 1.0E-9 gigasecond. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between centuries and gigaseconds. Type in your own numbers in the form to convert the units!
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1 century to gigasecond = 3.15576 gigasecond
5 century to gigasecond = 15.7788 gigasecond
10 century to gigasecond = 31.5576 gigasecond
15 century to gigasecond = 47.3364 gigasecond
20 century to gigasecond = 63.1152 gigasecond
25 century to gigasecond = 78.894 gigasecond
30 century to gigasecond = 94.6728 gigasecond
40 century to gigasecond = 126.2304 gigasecond
50 century to gigasecond = 157.788 gigasecond
You can do the reverse unit conversion from gigasecond to century, or enter any two units below:
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.
The SI prefix "giga" represents a factor of 109, or in exponential notation, 1E9.
So 1 gigasecond = 109 arcseconds.
The definition of a second is as follows:
A second of arc or arcsecond is a unit of angular measurement which comprises one-sixtieth of an arcminute, or 1/3600 of a degree of arc or 1/1296000 (approximately 7.7×10-7) of a circle. It is the angular diameter of an object of 1 unit diameter at a distance of 360×60×60/(2pi) (approximately 206,265 units), such as (approximately) 1 cm at 2.1 km, or, directly from the definition, 1 astronomical unit at 1 parsec.
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