825
825 is an odd composite number composed of three prime numbers multiplied together.
825 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.
Prime factorization of 825:
3^{} × 5^{2} × 11^{}
(3 × 5 × 5 × 11)See below for interesting mathematical facts about the number 825 from the Numbermatics database.
Names of 825
 Cardinal: 825 can be written as Eight hundred twentyfive.
Scientific notation
 Scientific notation: 8.25 × 10^{2}
Factors of 825
Divisors of 825
Bases of 825
 Binary: 1100111001_{2}
 Hexadecimal: 0x339
 Base36: MX
Squares and roots of 825
Scales and comparisons
How big is 825? 825 seconds is equal to 13 minutes, 45 seconds.

To count from 1 to 825 would take you about six minutes.
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomlychosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
 A cube with a volume of 825 cubic inches would be around 0.8 feet tall.
Recreational maths with 825
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The information we have on file for 825 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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