It would help to know how many WHAT the question was about!
There is 604,800 seconds in one week
There is one Thursday in a week.
Of course, one week is in a week and a week is comprised of 7 days.
168 hours in a week
Seven days in one week
There are 196 hours in one week
There are 168 hours in 7 days (one week).
If you mean how many times does the earth rotate in a week the answer is seven.
One week = 1,209,600 half-seconds.
604800
10
5th week of what? 5th week of a month, zero. 5th week of a year, then only one.