21013404808
21,013,404,808 is an even composite number composed of seven prime numbers multiplied together.
What does the number 21013404808 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 256 divisors.
21013404808 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21013404808:
23 × 11 × 23 × 31 × 53 × 71 × 89
(2 × 2 × 2 × 11 × 23 × 31 × 53 × 71 × 89)See below for interesting mathematical facts about the number 21013404808 from the Numbermatics database.
Names of 21013404808
- Cardinal: 21013404808 can be written as Twenty-one billion, thirteen million, four hundred four thousand, eight hundred eight.
Scientific notation
- Scientific notation: 2.1013404808 × 1010
Factors of 21013404808
Divisors of 21013404808
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 4 8 11 22 23 31 44 46 53 62 71 88 89 92 106 124 142 178 184 212 248 253 284 341 356 424 506 568 583 682 712 713 781 979 1012 1166 1219 1364 1426 1562 1633 1643 1958 2024 2047 2201 2332 2438 2728 2759 2852 3124 3266 3286 3763 3916 4094 4402 4664 4717 4876 5518 5704 6248 6319 6532 6572 7526 7832 7843 8188 8804 9434 9752 11036 12638 13064 13144 13409 15052 15686 16376 17608 17963 18073 18868 22072 22517 24211 25276 26818 30104 30349 31372 35926 36146 37736 37789 41393 45034 48422 50552 50623 51887 53636 60698 62744 63457 69509 71852 72292 75578 82786 86549 90068 96844 101246 103774 107272 108491 116653 121396 126914 139018 143704 144584 145337 146227 151156 165572 173098 180136 193688 195889 202492 207548 216982 233306 242792 253828 278036 290674 292454 302312 331144 334907 346196 391778 404984 415096 415679 433964 466612 507656 556072 556853 581348 584908 669814 692392 698027 783556 831358 867928 933224 952039 1113706 1162696 1169816 1193401 1283183 1339628 1396054 1567112 1598707 1608497 1662716 1904078 2154779 2227412 2386802 2566366 2679256 2683019 2792108 3197414 3216994 3325432 3363221 3683977 3808156 4309558 4454824 4505447 4773604 5132732 5366038 5584216 6394828 6433988 6726442 7367954 7616312 7702861 8619116 9010894 9547208 10265464 10382117 10732076 12789656 12867976 13452884 14735908 15405722 17238232 18021788 20764234 21464152 26905768 29471816 29513209 30811444 36043576 36995431 41528468 49559917 59026418 61622888 73990862 83056936 84731471 99119834 114203287 118052836 147981724 169462942 198239668 228406574 236105672 238788691 295963448 338925884 396479336 456813148 477577382 677851768 913626296 955154764 1910309528 2626675601 5253351202 10506702404 21013404808
- Sum of all divisors σ(n): 48372940800
- Sum of proper divisors (its aliquot sum) s(n): 27359535992
- 21013404808 is an abundant number, because the sum of its proper divisors (27359535992) is greater than itself. Its abundance is 6346131184
Bases of 21013404808
- Binary: 100111001000111111100011100100010002
- Hexadecimal: 0x4E47F1C88
- Base-36: 9NIU6X4
Squares and roots of 21013404808
- 21013404808 squared (210134048082) is 441563181624877516864
- 21013404808 cubed (210134048083) is 9278745883791978465281078682112
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The
square root of 21013404808 is 144960.0110651209 -
The
cube root of 21013404808 is 2759.5110808675
Scales and comparisons
How big is 21013404808?- 21,013,404,808 seconds is equal to 668 years, 8 weeks, 2 days, 16 hours, 53 minutes, 28 seconds.
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To count from 1 to 21,013,404,808 would take you about one thousand, three hundred thirty-six 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 21013404808 cubic inches would be around 230 feet tall.
Recreational maths with 21013404808
- 21013404808 backwards is 80840431012
- 21013404808 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21013404808's digits is 31
- More coming soon!
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The information we have on file for 21013404808 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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