21831436872
21,831,436,872 is an even composite number composed of five prime numbers multiplied together.
21831436872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21831436872:
23 × 35 × 73 × 29 × 1129
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 7 × 7 × 7 × 29 × 1129)See below for interesting mathematical facts about the number 21831436872 from the Numbermatics database.
Names of 21831436872
- Cardinal: 21831436872 can be written as Twenty-one billion, eight hundred thirty-one million, four hundred thirty-six thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1831436872 × 1010
Factors of 21831436872
Divisors of 21831436872
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 29 36 42 49 54 56 58 63 72 81 84 87 98 108 116 126 147 162 168 174 189 196 203 216 232 243 252 261 294 324 343 348 378 392 406 441 486 504 522 567 588 609 648 686 696 756 783 812 882 972 1029 1044 1129 1134 1176 1218 1323 1372 1421 1512 1566 1624 1701 1764 1827 1944 2058 2088 2258 2268 2349 2436 2646 2744 2842 3087 3132 3387 3402 3528 3654 3969 4116 4263 4516 4536 4698 4872 5292 5481 5684 6174 6264 6774 6804 7047 7308 7903 7938 8232 8526 9032 9261 9396 9947 10161 10584 10962 11368 11907 12348 12789 13548 13608 14094 14616 15806 15876 16443 17052 18522 18792 19894 20322 21924 23709 23814 24696 25578 27096 27783 28188 29841 30483 31612 31752 32741 32886 34104 37044 38367 39788 40644 43848 47418 47628 49329 51156 55321 55566 56376 59682 60966 63224 65482 65772 71127 74088 76734 79576 81288 83349 89523 91449 94836 95256 98223 98658 102312 110642 111132 115101 119364 121932 130964 131544 142254 153468 165963 166698 179046 182898 189672 196446 197316 213381 221284 222264 229187 230202 238728 243864 261928 268569 274347 284508 294669 306936 331926 333396 345303 358092 365796 387247 392892 394632 426762 442568 458374 460404 497889 537138 548694 569016 589338 640143 663852 666792 687561 690606 716184 731592 774494 785784 805707 853524 884007 916748 920808 995778 1074276 1097388 1161741 1178676 1280286 1327704 1375122 1381212 1493667 1548988 1604309 1611414 1707048 1768014 1833496 1920429 1991556 2062683 2148552 2194776 2323482 2357352 2417121 2560572 2652021 2750244 2762424 2987334 3097976 3208618 3222828 3485223 3536028 3840858 3983112 4125366 4481001 4646964 4812927 4834242 5121144 5304042 5500488 5974668 6188049 6417236 6445656 6970446 7072056 7681716 7956063 8250732 8962002 9293928 9625854 9668484 10455669 10608084 11230163 11949336 12376098 12834472 13443003 13940892 14438781 15363432 15912126 16501464 17924004 18564147 19251708 19336968 20911338 21216168 22460326 24752196 26886006 27881784 28877562 31367007 31824252 33690489 35848008 37128294 38503416 41822676 43316343 44920652 49504392 53772012 55692441 57755124 62734014 63648504 67380978 74256588 83645352 86632686 89841304 94101021 101071467 107544024 111384882 115510248 125468028 129949029 134761956 148513176 173265372 188202042 202142934 222769764 250936056 259898058 269523912 303214401 346530744 376404084 389847087 404285868 445539528 519796116 606428802 752808168 779694174 808571736 909643203 1039592232 1212857604 1559388348 1819286406 2425715208 2728929609 3118776696 3638572812 5457859218 7277145624 10915718436 21831436872
- Sum of all divisors σ(n): 74037600000
- Sum of proper divisors (its aliquot sum) s(n): 52206163128
- 21831436872 is an abundant number, because the sum of its proper divisors (52206163128) is greater than itself. Its abundance is 30374726256
Bases of 21831436872
- Binary: 101000101010100000101001010010010002
- Hexadecimal: 0x515414A48
- Base-36: A11VGI0
Squares and roots of 21831436872
- 21831436872 squared (218314368722) is 476611635896121144384
- 21831436872 cubed (218314368723) is 10405116841526817913283693326848
-
The
square root of 21831436872 is 147754.6509318741 -
The
cube root of 21831436872 is 2794.8646037481
Scales and comparisons
How big is 21831436872?- 21,831,436,872 seconds is equal to 694 years, 8 weeks, 6 days, 16 hours, 1 minute, 12 seconds.
-
To count from 1 to 21,831,436,872 would take you about one thousand, three hundred eighty-eight years!
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 21831436872 cubic inches would be around 232.9 feet tall.
Recreational maths with 21831436872
- 21831436872 backwards is 27863413812
- The number of decimal digits it has is: 11
- The sum of 21831436872's digits is 45
- More coming soon!
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The information we have on file for 21831436872 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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