How many hours in 3500 seconds?
3,600 seconds = 1 hour
3,500 seconds = 0.97222 hour (rounded) = 58minutes 20seconds
How many days is 21232780 minutes?
21232789 minutes/60 minutes/hour = 353879.81666666666666666666666667 hours
353879.81666666666666666666666667hours/24hours/day = about 14,745 days
and as I can't stop myself
14745 days /365.25 days/year = 40.37 years
If an hour is 400million years how many is one minute?
1 minute is 1/60 of an hour, therefore 400/60 is 6,666,666.6667 years.
What has happened at 12 hours 34 minutes on 5-6-1978?
Nothing special - apart from the time and date were sequential (12:34 5/6/78)