21011215420416

Names of 21011215420416

• Cardinal: 21011215420416 can be written as Twenty-one trillion, eleven billion, two hundred fifteen million, four hundred twenty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 2.1011215420416 × 10¹³

Factors of 21011215420416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 127

Divisors of 21011215420416

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 109 128 156 169 192 208 218 256 312 327 338 384 416 436 507 512 624 654 676 768 832 872 1014 1024 1248 1308 1352 1417 1536 1664 1744 2028 2197 2496 2616 2704 2834 3072 3328 3488 4056 4251 4394 4992 5232 5408 5668 6591 6656 6976 8112 8502 8788 9984 10464 10816 11336 13182 13312 13952 16224 17004 17576 18421 19968 20928 21632 22672 26364 27904 28561 32448 34008 35152 36842 39936 41856 43264 45344 52728 55263 55808 57122 64896 68016 70304 73684 83712 85683 86528 90688 105456 110526 111616 114244 129792 136032 140608 147368 167424 171366 173056 181376 210912 221052 228488 239473 259584 272064 281216 294736 334848 342732 362752 371293 421824 442104 456976 478946 519168 544128 562432 589472 685464 718419 725504 742586 843648 884208 913952 957892 1088256 1113879 1124864 1178944 1370928 1436838 1451008 1485172 1687296 1768416 1827904 1915784 2176512 2227758 2249728 2357888 2741856 2873676 2970344 3113149 3374592 3536832 3655808 3831568 4353024 4455516 4715776 4826809 5483712 5747352 5940688 6226298 6749184 7073664 7311616 7663136 8911032 9339447 9431552 9653618 10967424 11494704 11881376 12452596 14147328 14480427 14623232 15326272 17822064 18678894 18863104 19307236 21934848 22989408 23762752 24905192 28294656 28960854 29246464 30652544 35644128 37357788 38614472 40470937 43869696 45978816 47525504 49810384 56589312 57921708 61305088 62748517 71288256 74715576 77228944 80941874 87739392 91957632 95051008 99620768 115843416 121412811 122610176 125497034 142576512 149431152 154457888 161883748 183915264 188245551 190102016 199241536 231686832 242825622 245220352 250994068 285153024 298862304 308915776 323767496 367830528 376491102 380204032 398483072 463373664 485651244 501988136 526122181 570306048 597724608 617831552 647534992 735661056 752982204 796966144 926747328 971302488 1003976272 1052244362 1140612096 1195449216 1235663104 1295069984 1505964408 1578366543 1593932288 1853494656 1942604976 2007952544 2104488724 2390898432 2471326208 2590139968 3011928816 3156733086 3187864576 3706989312 3885209952 4015905088 4208977448 4781796864 4942652416 5180279936 6023857632 6313466172 6839588353 7413978624 7770419904 8031810176 8417954896 9563593728 10360559872 12047715264 12626932344 13679176706 14827957248 15540839808 16063620352 16835909792 20518765059 20721119744 24095430528 25253864688 27358353412 31081679616 32127240704 33671819584 41037530118 41442239488 48190861056 50507729376 54716706824 62163359232 64254481408 67343639168 82075060236 96381722112 101015458752 109433413648 124326718464 134687278336 164150120472 192763444224 202030917504 218866827296 269374556672 328300240944 404061835008 437733654592 538749113344 656600481888 808123670016 875467309184 1313200963776 1616247340032 1750934618368 2626401927552 3501869236736 5252803855104 7003738473472 10505607710208 21011215420416
• Sum of all divisors σ(n): 61226028740800
• Sum of proper divisors (its aliquot sum) s(n): 40214813320384
• 21011215420416 is an abundant number, because the sum of its proper divisors (40214813320384) is greater than itself. Its abundance is 19203597899968

Bases of 21011215420416

• Binary: 100110001110000001110000010000000110000000000₂
• Hexadecimal: 0x131C0E080C00
• Base-36: 7G4F361HC

Squares and roots of 21011215420416

• 21011215420416 squared (21011215420416²) is 441471173443127107629613056
• 21011215420416 cubed (21011215420416³) is 9275845927117378784999666367634442551296
• The square root of 21011215420416 is 4583799.2343050977
• The cube root of 21011215420416 is 27594.1523967805

Scales and comparisons

• 21,011,215,420,416 seconds is equal to 668,091 years, 34 weeks, 1 day, 15 hours, 53 minutes, 36 seconds.
• To count from 1 to 21,011,215,420,416 would take you about one million, six hundred seventy thousand, two hundred twenty-nine 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 21011215420416 cubic inches would be around 2299.5 feet tall.

Recreational maths with 21011215420416

• 21011215420416 backwards is 61402451211012
• The number of decimal digits it has is: 14
• The sum of 21011215420416's digits is 30
• More coming soon!