how many seconds in a century
However, by the more precise definition (which requires adjustment of the calendar with leap seconds and omitted leap days), there are 31556925.9747 seconds in a standard SI year, which equals 3,155,692,597 (and a fraction) per century.
By mathematical computation, at 60 seconds per minute, 60 minutes per hour, 24 hours per day, and 365.25 days per year, the answer would be : 31,557,600 seconds per year, 3,155,760,000 per century, or 100 years.