21798160384

Names of 21798160384

• Cardinal: 21798160384 can be written as Twenty-one billion, seven hundred ninety-eight million, one hundred sixty thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 2.1798160384 × 10¹⁰

Factors of 21798160384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 64

Divisors of 21798160384

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 7 8 11 13 14 16 22 26 28 31 32 44 49 52 56 62 64 77 88 91 98 104 112 124 128 143 154 176 182 196 208 217 224 248 256 286 308 341 343 352 364 392 403 416 434 448 496 512 539 572 616 637 682 686 704 728 784 806 832 868 896 992 1001 1024 1078 1144 1232 1274 1364 1372 1408 1456 1519 1568 1612 1664 1736 1792 1984 2002 2048 2156 2288 2387 2401 2464 2548 2728 2744 2816 2821 2912 3038 3136 3224 3328 3472 3584 3773 3968 4004 4312 4433 4459 4576 4774 4802 4928 5096 5456 5488 5632 5642 5824 6076 6272 6448 6656 6944 7007 7168 7546 7936 8008 8624 8866 8918 9152 9548 9604 9856 10192 10633 10912 10976 11264 11284 11648 12152 12544 12896 13312 13888 14014 14336 15092 15872 16016 16709 17248 17732 17836 18304 19096 19208 19712 19747 20384 21266 21824 21952 22528 22568 23296 24304 25088 25792 26411 26624 27776 28028 30184 31031 31213 31744 32032 33418 34496 35464 35672 36608 38192 38416 39424 39494 40768 42532 43648 43904 45136 46592 48608 49049 50176 51584 52822 55552 56056 60368 62062 62426 63488 64064 66836 68992 70928 71344 73216 74431 76384 76832 78848 78988 81536 85064 87296 87808 90272 93184 97216 98098 100352 103168 105644 111104 112112 116963 120736 124124 124852 128128 133672 137984 138229 141856 142688 146432 148862 152768 153664 157696 157976 163072 170128 174592 175616 180544 186368 194432 196196 206336 211288 217217 222208 224224 233926 241472 248248 249704 256256 267344 275968 276458 283712 285376 292864 297724 305536 307328 315952 326144 340256 343343 349184 351232 361088 388864 392392 412672 422576 434434 444416 448448 467852 482944 496496 499408 512512 534688 551936 552916 567424 570752 595448 611072 614656 631904 652288 680512 686686 698368 702464 722176 777728 784784 818741 825344 845152 868868 896896 935704 965888 967603 992992 998816 1025024 1069376 1103872 1105832 1134848 1141504 1190896 1222144 1229312 1263808 1304576 1361024 1373372 1444352 1520519 1555456 1569568 1637482 1690304 1737736 1793792 1871408 1931776 1935206 1985984 1997632 2050048 2138752 2211664 2269696 2283008 2381792 2444288 2458624 2527616 2722048 2746744 2888704 3041038 3110912 3139136 3274964 3380608 3475472 3587584 3742816 3863552 3870412 3971968 3995264 4277504 4423328 4539392 4566016 4763584 4888576 4917248 5055232 5444096 5493488 5777408 6082076 6278272 6549928 6761216 6950944 7175168 7485632 7727104 7740824 7943936 7990528 8555008 8846656 9078784 9132032 9527168 10110464 10643633 10888192 10986976 12164152 12556544 13099856 13522432 13901888 14350336 14971264 15481648 15887872 15981056 17110016 17693312 19054336 20220928 21287266 21776384 21973952 24328304 25113088 26199712 27044864 27803776 29942528 30963296 31775744 31962112 34220032 35386624 38108672 40441856 42574532 43947904 48656608 50226176 52399424 54089728 55607552 59885056 61926592 63551488 63924224 70773248 76217344 85149064 87895808 97313216 100452352 104798848 111215104 119770112 123853184 141546496 152434688 170298128 175791616 194626432 209597696 222430208 239540224 247706368 283092992 340596256 351583232 389252864 419195392 444860416 495412736 681192512 703166464 778505728 838390784 990825472 1362385024 1557011456 1676781568 1981650944 2724770048 3114022912 5449540096 10899080192 21798160384
• Sum of all divisors σ(n): 61663230720
• Sum of proper divisors (its aliquot sum) s(n): 39865070336
• 21798160384 is an abundant number, because the sum of its proper divisors (39865070336) is greater than itself. Its abundance is 18066909952

Bases of 21798160384

• Binary: 10100010011010001011000100000000000₂
• Hexadecimal: 0x513458800
• Base-36: A0I2874

Squares and roots of 21798160384

• 21798160384 squared (21798160384²) is 475159796126587027456
• 21798160384 cubed (21798160384³) is 10357609443996085991019699503104
• The square root of 21798160384 is 147642.0007450455
• The cube root of 21798160384 is 2793.4438609243

Scales and comparisons

• 21,798,160,384 seconds is equal to 693 years, 5 weeks, 6 days, 12 hours, 33 minutes, 4 seconds.
• To count from 1 to 21,798,160,384 would take you about one thousand, three hundred eighty-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 21798160384 cubic inches would be around 232.8 feet tall.

Recreational maths with 21798160384

• 21798160384 backwards is 48306189712
• 21798160384 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21798160384's digits is 49
• More coming soon!