315
315 is an odd composite number composed of three prime numbers multiplied together.
What does the number 315 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.
315 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 315:
32 × 5 × 7
(3 × 3 × 5 × 7)See below for interesting mathematical facts about the number 315 from the Numbermatics database.
Names of 315
- Cardinal: 315 can be written as Three hundred fifteen.
Scientific notation
- Scientific notation: 3.15 × 102
Factors of 315
Divisors of 315
Bases of 315
- Binary: 1001110112
- Hexadecimal: 0x13B
- Base-36: 8R
Squares and roots of 315
Scales and comparisons
How big is 315?- 315 seconds is equal to 5 minutes, 15 seconds.
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To count from 1 to 315 would take you about two 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 randomly-chosen 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 315 cubic inches would be around 0.6 feet tall.
Recreational maths with 315
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The information we have on file for 315 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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