28137942
28,137,942 is an even composite number composed of four prime numbers multiplied together.
28137942 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28137942:
2 × 37 × 7 × 919
(2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 919)See below for interesting mathematical facts about the number 28137942 from the Numbermatics database.
Names of 28137942
- Cardinal: 28137942 can be written as Twenty-eight million, one hundred thirty-seven thousand, nine hundred forty-two.
Scientific notation
- Scientific notation: 2.8137942 × 107
Factors of 28137942
Divisors of 28137942
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 6 7 9 14 18 21 27 42 54 63 81 126 162 189 243 378 486 567 729 919 1134 1458 1701 1838 2187 2757 3402 4374 5103 5514 6433 8271 10206 12866 15309 16542 19299 24813 30618 38598 49626 57897 74439 115794 148878 173691 223317 347382 446634 521073 669951 1042146 1339902 1563219 2009853 3126438 4019706 4689657 9379314 14068971 28137942
- Sum of all divisors σ(n): 72422400
- Sum of proper divisors (its aliquot sum) s(n): 44284458
- 28137942 is an abundant number, because the sum of its proper divisors (44284458) is greater than itself. Its abundance is 16146516
Bases of 28137942
- Binary: 11010110101011001110101102
- Hexadecimal: 0x1AD59D6
- Base-36: GR3DI
Squares and roots of 28137942
- 28137942 squared (281379422) is 791743779995364
- 28137942 cubed (281379423) is 22278040560370312500888
-
The
square root of 28137942 is 5304.5209020231 -
The
cube root of 28137942 is 304.1567390601
Scales and comparisons
How big is 28137942?- 28,137,942 seconds is equal to 46 weeks, 3 days, 16 hours, 5 minutes, 42 seconds.
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To count from 1 to 28,137,942 would take you about seventeen 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 28137942 cubic inches would be around 25.3 feet tall.
Recreational maths with 28137942
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The information we have on file for 28137942 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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