28733880
28,733,880 is an even composite number composed of six prime numbers multiplied together.
28733880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 28733880:
23 × 3 × 5 × 7 × 79 × 433
(2 × 2 × 2 × 3 × 5 × 7 × 79 × 433)See below for interesting mathematical facts about the number 28733880 from the Numbermatics database.
Names of 28733880
- Cardinal: 28733880 can be written as Twenty-eight million, seven hundred thirty-three thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.873388 × 107
Factors of 28733880
Divisors of 28733880
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 79 84 105 120 140 158 168 210 237 280 316 395 420 433 474 553 632 790 840 866 948 1106 1185 1299 1580 1659 1732 1896 2165 2212 2370 2598 2765 3031 3160 3318 3464 4330 4424 4740 5196 5530 6062 6495 6636 8295 8660 9093 9480 10392 11060 12124 12990 13272 15155 16590 17320 18186 22120 24248 25980 30310 33180 34207 36372 45465 51960 60620 66360 68414 72744 90930 102621 121240 136828 171035 181860 205242 239449 273656 342070 363720 410484 478898 513105 684140 718347 820968 957796 1026210 1197245 1368280 1436694 1915592 2052420 2394490 2873388 3591735 4104840 4788980 5746776 7183470 9577960 14366940 28733880
- Sum of all divisors σ(n): 99993600
- Sum of proper divisors (its aliquot sum) s(n): 71259720
- 28733880 is an abundant number, because the sum of its proper divisors (71259720) is greater than itself. Its abundance is 42525840
Bases of 28733880
- Binary: 11011011001110001101110002
- Hexadecimal: 0x1B671B8
- Base-36: H3V7C
Squares and roots of 28733880
- 28733880 squared (287338802) is 825635859854400
- 28733880 cubed (287338803) is 23723721720753147072000
-
The
square root of 28733880 is 5360.3992388627 -
The
cube root of 28733880 is 306.2890173807
Scales and comparisons
How big is 28733880?- 28,733,880 seconds is equal to 47 weeks, 3 days, 13 hours, 38 minutes.
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To count from 1 to 28,733,880 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 28733880 cubic inches would be around 25.5 feet tall.
Recreational maths with 28733880
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The information we have on file for 28733880 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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