12872790
12,872,790 is an even composite number composed of five prime numbers multiplied together.
12872790 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 12872790:
2 × 33 × 5 × 73 × 139
(2 × 3 × 3 × 3 × 5 × 7 × 7 × 7 × 139)See below for interesting mathematical facts about the number 12872790 from the Numbermatics database.
Names of 12872790
- Cardinal: 12872790 can be written as Twelve million, eight hundred seventy-two thousand, seven hundred ninety.
Scientific notation
- Scientific notation: 1.287279 × 107
Factors of 12872790
Divisors of 12872790
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 49 54 63 70 90 98 105 126 135 139 147 189 210 245 270 278 294 315 343 378 417 441 490 630 686 695 735 834 882 945 973 1029 1251 1323 1390 1470 1715 1890 1946 2058 2085 2205 2502 2646 2919 3087 3430 3753 4170 4410 4865 5145 5838 6174 6255 6615 6811 7506 8757 9261 9730 10290 12510 13230 13622 14595 15435 17514 18522 18765 20433 26271 29190 30870 34055 37530 40866 43785 46305 47677 52542 61299 68110 87570 92610 95354 102165 122598 131355 143031 183897 204330 238385 262710 286062 306495 367794 429093 476770 612990 715155 858186 919485 1287279 1430310 1838970 2145465 2574558 4290930 6436395 12872790
- Sum of all divisors σ(n): 40320000
- Sum of proper divisors (its aliquot sum) s(n): 27447210
- 12872790 is an abundant number, because the sum of its proper divisors (27447210) is greater than itself. Its abundance is 14574420
Bases of 12872790
- Binary: 1100010001101100010101102
- Hexadecimal: 0xC46C56
- Base-36: 7NWPI
Squares and roots of 12872790
- 12872790 squared (128727902) is 165708722384100
- 12872790 cubed (128727903) is 2133133584418818639000
-
The
square root of 12872790 is 3587.8670543931 -
The
cube root of 12872790 is 234.3639962833
Scales and comparisons
How big is 12872790?- 12,872,790 seconds is equal to 21 weeks, 1 day, 23 hours, 46 minutes, 30 seconds.
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To count from 1 to 12,872,790 would take you about thirty-one 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 12872790 cubic inches would be around 19.5 feet tall.
Recreational maths with 12872790
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The information we have on file for 12872790 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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