20821559968
20,821,559,968 is an even composite number composed of six prime numbers multiplied together.
20821559968 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 20821559968:
25 × 112 × 23 × 37 × 71 × 89
(2 × 2 × 2 × 2 × 2 × 11 × 11 × 23 × 37 × 71 × 89)See below for interesting mathematical facts about the number 20821559968 from the Numbermatics database.
Names of 20821559968
- Cardinal: 20821559968 can be written as Twenty billion, eight hundred twenty-one million, five hundred fifty-nine thousand, nine hundred sixty-eight.
Scientific notation
- Scientific notation: 2.0821559968 × 1010
Factors of 20821559968
Divisors of 20821559968
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 8 11 16 22 23 32 37 44 46 71 74 88 89 92 121 142 148 176 178 184 242 253 284 296 352 356 368 407 484 506 568 592 712 736 781 814 851 968 979 1012 1136 1184 1424 1562 1628 1633 1702 1936 1958 2024 2047 2272 2627 2783 2848 3124 3256 3266 3293 3404 3872 3916 4048 4094 4477 5254 5566 6248 6319 6512 6532 6586 6808 7832 8096 8188 8591 8954 9361 10508 10769 11132 12496 12638 13024 13064 13172 13616 15664 16376 17182 17908 17963 18722 21016 21538 22264 22517 24992 25276 26128 26344 27232 28897 31328 32752 34364 35816 35926 36223 37444 42032 43076 44528 45034 50552 52256 52688 57794 60421 65504 68728 69509 71632 71852 72446 74888 75739 84064 86152 89056 90068 101104 102971 105376 115588 120842 137456 139018 143264 143704 144892 145337 149776 151478 172304 180136 197593 202208 205942 231176 233803 241684 247687 274912 278036 287408 289784 290674 299552 302956 317867 344608 360272 395186 398453 411884 462352 467606 483368 495374 556072 574816 579568 581348 605912 635734 664631 720544 764599 790372 796906 823768 833129 924704 935212 966736 990748 1112144 1159136 1162696 1211824 1271468 1329262 1529198 1580744 1593812 1598707 1647536 1666258 1870424 1933472 1981496 2224288 2325392 2423648 2542936 2571833 2658524 3058396 3161488 3187624 3197414 3295072 3332516 3740848 3962992 4650784 5085872 5143666 5317048 5377469 6116792 6322976 6375248 6394828 6665032 7310941 7481696 7925984 9164419 10171744 10287332 10634096 10754938 12233584 12750496 12789656 13330064 14621882 17585777 18328838 20574664 21268192 21509876 24467168 25579312 26660128 28290163 29243764 35171554 36657676 41149328 43019752 51158624 56580326 58487528 59152159 70343108 73315352 82298656 86039504 113160652 116975056 118304318 140686216 146630704 172079008 226321304 233950112 236608636 281372432 293261408 452642608 473217272 562744864 650673749 905285216 946434544 1301347498 1892869088 2602694996 5205389992 10410779984 20821559968
- Sum of all divisors σ(n): 49517879040
- Sum of proper divisors (its aliquot sum) s(n): 28696319072
- 20821559968 is an abundant number, because the sum of its proper divisors (28696319072) is greater than itself. Its abundance is 7874759104
Bases of 20821559968
- Binary: 100110110010000111111001010101000002
- Hexadecimal: 0x4D90FCAA0
- Base-36: 9KCMAHS
Squares and roots of 20821559968
- 20821559968 squared (208215599682) is 433537359501020161024
- 20821559968 cubed (208215599683) is 9026924129218865839938232287232
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The
square root of 20821559968 is 144296.7773999129 -
The
cube root of 20821559968 is 2751.0876124641
Scales and comparisons
How big is 20821559968?- 20,821,559,968 seconds is equal to 662 years, 3 weeks, 1 day, 6 hours, 39 minutes, 28 seconds.
-
To count from 1 to 20,821,559,968 would take you about one thousand, three hundred twenty-four 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 20821559968 cubic inches would be around 229.3 feet tall.
Recreational maths with 20821559968
- 20821559968 backwards is 86995512802
- The number of decimal digits it has is: 11
- The sum of 20821559968's digits is 55
- More coming soon!
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