28831530
28,831,530 is an even composite number composed of seven prime numbers multiplied together.
28831530 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28831530:
2 × 3 × 5 × 7 × 13 × 59 × 179
See below for interesting mathematical facts about the number 28831530 from the Numbermatics database.
Names of 28831530
- Cardinal: 28831530 can be written as Twenty-eight million, eight hundred thirty-one thousand, five hundred thirty.
Scientific notation
- Scientific notation: 2.883153 × 107
Factors of 28831530
Divisors of 28831530
- Number of divisors d(n): 128
-
Complete list of divisors:
1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 59 65 70 78 91 105 118 130 177 179 182 195 210 273 295 354 358 390 413 455 537 546 590 767 826 885 895 910 1074 1239 1253 1365 1534 1770 1790 2065 2301 2327 2478 2506 2685 2730 3759 3835 4130 4602 4654 5369 5370 6195 6265 6981 7518 7670 10561 10738 11505 11635 12390 12530 13962 16107 16289 18795 21122 23010 23270 26845 31683 32214 32578 34905 37590 48867 52805 53690 63366 69810 73927 80535 81445 97734 105610 137293 147854 158415 161070 162890 221781 244335 274586 316830 369635 411879 443562 488670 686465 739270 823758 961051 1108905 1372930 1922102 2059395 2217810 2883153 4118790 4805255 5766306 9610510 14415765 28831530
- Sum of all divisors σ(n): 87091200
- Sum of proper divisors (its aliquot sum) s(n): 58259670
- 28831530 is an abundant number, because the sum of its proper divisors (58259670) is greater than itself. Its abundance is 29428140
Bases of 28831530
- Binary: 11011011111101111001010102
- Hexadecimal: 0x1B7EF2A
- Base-36: H5YJU
Squares and roots of 28831530
- 28831530 squared (288315302) is 831257122140900
- 28831530 cubed (288315303) is 23966414654719022577000
-
The
square root of 28831530 is 5369.4999767205 -
The
cube root of 28831530 is 306.6355920519
Scales and comparisons
How big is 28831530?- 28,831,530 seconds is equal to 47 weeks, 4 days, 16 hours, 45 minutes, 30 seconds.
-
To count from 1 to 28,831,530 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 28831530 cubic inches would be around 25.6 feet tall.
Recreational maths with 28831530
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The information we have on file for 28831530 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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