28900816
28,900,816 is an even composite number composed of five prime numbers multiplied together.
28900816 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 28900816:
24 × 7 × 17 × 43 × 353
(2 × 2 × 2 × 2 × 7 × 17 × 43 × 353)See below for interesting mathematical facts about the number 28900816 from the Numbermatics database.
Names of 28900816
- Cardinal: 28900816 can be written as Twenty-eight million, nine hundred thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.8900816 × 107
Factors of 28900816
Divisors of 28900816
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 7 8 14 16 17 28 34 43 56 68 86 112 119 136 172 238 272 301 344 353 476 602 688 706 731 952 1204 1412 1462 1904 2408 2471 2824 2924 4816 4942 5117 5648 5848 6001 9884 10234 11696 12002 15179 19768 20468 24004 30358 39536 40936 42007 48008 60716 81872 84014 96016 106253 121432 168028 212506 242864 258043 336056 425012 516086 672112 850024 1032172 1700048 1806301 2064344 3612602 4128688 7225204 14450408 28900816
- Sum of all divisors σ(n): 69531264
- Sum of proper divisors (its aliquot sum) s(n): 40630448
- 28900816 is an abundant number, because the sum of its proper divisors (40630448) is greater than itself. Its abundance is 11729632
Bases of 28900816
- Binary: 11011100011111101110100002
- Hexadecimal: 0x1B8FDD0
- Base-36: H7G0G
Squares and roots of 28900816
- 28900816 squared (289008162) is 835257165465856
- 28900816 cubed (289008163) is 24139613651810258538496
-
The
square root of 28900816 is 5375.9479164143 -
The
cube root of 28900816 is 306.8810242539
Scales and comparisons
How big is 28900816?- 28,900,816 seconds is equal to 47 weeks, 5 days, 12 hours, 16 seconds.
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To count from 1 to 28,900,816 would take you about nineteen 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 28900816 cubic inches would be around 25.6 feet tall.
Recreational maths with 28900816
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The information we have on file for 28900816 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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