18919784421120

Names of 18919784421120

• Cardinal: 18919784421120 can be written as Eighteen trillion, nine hundred nineteen billion, seven hundred eighty-four million, four hundred twenty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.891978442112 × 10¹³

Factors of 18919784421120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 140935

Divisors of 18919784421120

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 17 20 22 24 30 32 33 34 40 44 48 51 55 60 64 66 68 80 85 88 96 102 110 120 121 128 132 136 160 165 170 176 187 192 204 220 240 242 255 256 264 272 289 320 330 340 352 363 374 384 408 440 480 484 510 528 544 561 578 605 640 660 680 704 726 748 768 816 867 880 935 960 968 1020 1056 1088 1122 1156 1210 1280 1320 1360 1408 1445 1452 1496 1632 1734 1760 1815 1870 1920 1936 2040 2057 2112 2176 2244 2312 2420 2640 2720 2805 2816 2890 2904 2992 3179 3264 3468 3520 3630 3740 3840 3872 4080 4114 4224 4335 4352 4488 4624 4840 5280 5440 5610 5780 5808 5984 6171 6358 6528 6936 7040 7260 7480 7744 8160 8228 8448 8670 8976 9248 9537 9680 10285 10560 10880 11220 11560 11616 11968 12342 12716 13056 13872 14080 14520 14960 15488 15895 16320 16456 17340 17952 18496 19074 19360 20570 21120 21760 22440 23120 23232 23936 24684 25432 27744 29040 29920 30855 30976 31790 32640 32912 34680 34969 35904 36992 38148 38720 41140 42240 44880 46240 46464 47685 47872 49368 50864 55488 58080 59840 61710 63580 65280 65824 69360 69938 71808 73984 76296 77440 82280 89760 92480 92928 95370 98736 101728 104907 110976 116160 119680 123420 127160 131648 138720 139876 140897 143616 152592 154880 164560 174845 179520 184960 190740 197472 203456 209814 221952 232320 239360 246840 254320 263296 277440 279752 281794 305184 329120 349690 359040 369920 381480 394944 406912 419628 422691 464640 493680 508640 524535 526592 554880 559504 563588 610368 658240 699380 704485 718080 762960 789888 813824 839256 845382 987360 1017280 1049070 1109760 1119008 1127176 1220736 1316480 1398760 1408970 1525920 1549867 1579776 1678512 1690764 1974720 2034560 2098140 2113455 2238016 2254352 2395249 2441472 2632960 2797520 2817940 3051840 3099734 3357024 3381528 3949440 4069120 4196280 4226910 4476032 4508704 4649601 4790498 5595040 5635880 6103680 6199468 6714048 6763056 7185747 7749335 7898880 8392560 8453820 8952064 9017408 9299202 9580996 11190080 11271760 11976245 12207360 12398936 13428096 13526112 14371494 15498670 16785120 16907640 17048537 18034816 18598404 19161992 22380160 22543520 23248005 23952490 24797872 26347739 26856192 27052224 28742988 30997340 33570240 33815280 34097074 35928735 36069632 37196808 38323984 40719233 44760320 45087040 46496010 47904980 49595744 51145611 52695478 54104448 57485976 61994680 67140480 67630560 68194148 71857470 74393616 76647968 79043217 81438466 85242685 90174080 92992020 95809960 99191488 102291222 105390956 108208896 114971952 122157699 123989360 131738695 134280960 135261120 136388296 143714940 148787232 153295936 158086434 162876932 170485370 180348160 185984040 191619920 198382976 203596165 204582444 210781912 229943904 244315398 247978720 255728055 263477390 270522240 272776592 287429880 289825129 297574464 306591872 316172868 325753864 340970740 371968080 383239840 395216085 396765952 407192330 409164888 421563824 447911563 459887808 488630796 495957440 511456110 526954780 541044480 545553184 574859760 579650258 595148928 610788495 613183744 632345736 651507728 681941480 743936160 766479680 790432170 814384660 818329776 843127648 869475387 895823126 919775616 977261592 991914880 1022912220 1053909560 1091106368 1149719520 1159300516 1190297856 1221576990 1264691472 1303015456 1343734689 1363882960 1449125645 1487872320 1532959360 1580864340 1628769320 1636659552 1686255296 1738950774 1791646252 1839551232 1954523184 1983829760 2045824440 2107819120 2182212736 2239557815 2299439040 2318601032 2443153980 2529382944 2606030912 2687469378 2727765920 2898251290 2975744640 3065918720 3161728680 3257538640 3273319104 3372510592 3477901548 3583292504 3909046368 4091648880 4215638240 4347376935 4364425472 4479115630 4598878080 4637202064 4886307960 4927027193 5058765888 5212061824 5374938756 5455531840 5796502580 5951489280 6323457360 6515077280 6546638208 6718673445 6745021184 6955803096 7166585008 7818092736 8183297760 8431276480 8694753870 8958231260 9197756160 9274404128 9772615920 9854054386 10117531776 10424123648 10749877512 10911063680 11593005160 12646914720 13030154560 13093276416 13437346890 13911606192 14333170016 14781081579 15636185472 16366595520 16862552960 17389507740 17916462520 18548808256 19545231840 19708108772 20235063552 21499755024 21822127360 23186010320 24635135965 25293829440 26060309120 26874693780 27823212384 28666340032 29562163158 31272370944 32733191040 33725105920 34779015480 35832925040 37097616512 39090463680 39416217544 42999510048 46372020640 49270271930 50587658880 52120618240 53749387560 55646424768 57332680064 59124326316 65466382080 69558030960 71665850080 73905407895 74195233024 78180927360 78832435088 85999020096 92744041280 98540543860 101175317760 107498775120 111292849536 114665360128 118248652632 139116061920 143331700160 147810815790 156361854720 157664870176 171998040192 185488082560 197081087720 214997550240 222585699072 236497305264 278232123840 286663400320 295621631580 315329740352 343996080384 370976165120 394162175440 429995100480 472994610528 556464247680 573326800640 591243263160 630659480704 788324350880 859990200960 945989221056 1112928495360 1182486526320 1261318961408 1576648701760 1719980401920 1891978442112 2364973052640 3153297403520 3783956884224 4729946105280 6306594807040 9459892210560 18919784421120
• Sum of all divisors σ(n): 70554868502832
• Sum of proper divisors (its aliquot sum) s(n): 51635084081712
• 18919784421120 is an abundant number, because the sum of its proper divisors (51635084081712) is greater than itself. Its abundance is 32715299660592

Bases of 18919784421120

• Binary: 100010011010100011011000001111001011100000000₂
• Hexadecimal: 0x11351B079700
• Base-36: 6PFMN5EDC

Squares and roots of 18919784421120

• 18919784421120 squared (18919784421120²) is 357958242541655053502054400
• 18919784421120 cubed (18919784421120³) is 6772492780651099713909088935034748928000
• The square root of 18919784421120 is 4349687.8532970615
• The cube root of 18919784421120 is 26646.4113436441

Scales and comparisons

• 18,919,784,421,120 seconds is equal to 601,590 years, 32 weeks, 2 days, 8 hours, 32 minutes.
• To count from 1 to 18,919,784,421,120 would take you about one million, five hundred three thousand, nine hundred seventy-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 18919784421120 cubic inches would be around 2220.5 feet tall.

Recreational maths with 18919784421120

• 18919784421120 backwards is 02112448791981
• The number of decimal digits it has is: 14
• The sum of 18919784421120's digits is 57
• More coming soon!