13987872
13,987,872 is an even composite number composed of four prime numbers multiplied together.
13987872 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13987872:
25 × 32 × 17 × 2857
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 17 × 2857)See below for interesting mathematical facts about the number 13987872 from the Numbermatics database.
Names of 13987872
- Cardinal: 13987872 can be written as Thirteen million, nine hundred eighty-seven thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.3987872 × 107
Factors of 13987872
Divisors of 13987872
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 306 408 544 612 816 1224 1632 2448 2857 4896 5714 8571 11428 17142 22856 25713 34284 45712 48569 51426 68568 91424 97138 102852 137136 145707 194276 205704 274272 291414 388552 411408 437121 582828 777104 822816 874242 1165656 1554208 1748484 2331312 3496968 4662624 6993936 13987872
- Sum of all divisors σ(n): 42132636
- Sum of proper divisors (its aliquot sum) s(n): 28144764
- 13987872 is an abundant number, because the sum of its proper divisors (28144764) is greater than itself. Its abundance is 14156892
Bases of 13987872
- Binary: 1101010101110000001000002
- Hexadecimal: 0xD57020
- Base-36: 8BT40
Squares and roots of 13987872
- 13987872 squared (139878722) is 195660563088384
- 13987872 cubed (139878723) is 2736874911928240078848
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The
square root of 13987872 is 3740.0363634595 -
The
cube root of 13987872 is 240.9446105841
Scales and comparisons
How big is 13987872?- 13,987,872 seconds is equal to 23 weeks, 21 hours, 31 minutes, 12 seconds.
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To count from 1 to 13,987,872 would take you about thirty-four weeks!
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 13987872 cubic inches would be around 20.1 feet tall.
Recreational maths with 13987872
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The information we have on file for 13987872 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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