13809642
13,809,642 is an even composite number composed of six prime numbers multiplied together.
13809642 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 13809642:
2 × 3 × 7 × 11 × 71 × 421
See below for interesting mathematical facts about the number 13809642 from the Numbermatics database.
Names of 13809642
- Cardinal: 13809642 can be written as Thirteen million, eight hundred nine thousand, six hundred forty-two.
Scientific notation
- Scientific notation: 1.3809642 × 107
Factors of 13809642
Divisors of 13809642
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 6 7 11 14 21 22 33 42 66 71 77 142 154 213 231 421 426 462 497 781 842 994 1263 1491 1562 2343 2526 2947 2982 4631 4686 5467 5894 8841 9262 10934 13893 16401 17682 27786 29891 32417 32802 59782 64834 89673 97251 179346 194502 209237 328801 418474 627711 657602 986403 1255422 1972806 2301607 4603214 6904821 13809642
- Sum of all divisors σ(n): 35002368
- Sum of proper divisors (its aliquot sum) s(n): 21192726
- 13809642 is an abundant number, because the sum of its proper divisors (21192726) is greater than itself. Its abundance is 7383084
Bases of 13809642
- Binary: 1101001010110111111010102
- Hexadecimal: 0xD2B7EA
- Base-36: 87ZL6
Squares and roots of 13809642
- 13809642 squared (138096422) is 190706212168164
- 13809642 cubed (138096423) is 2633584517218388637288
-
The
square root of 13809642 is 3716.1326671691 -
The
cube root of 13809642 is 239.9168809389
Scales and comparisons
How big is 13809642?- 13,809,642 seconds is equal to 22 weeks, 5 days, 20 hours, 42 seconds.
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To count from 1 to 13,809,642 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 13809642 cubic inches would be around 20 feet tall.
Recreational maths with 13809642
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The information we have on file for 13809642 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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