18311983971840

Names of 18311983971840

• Cardinal: 18311983971840 can be written as Eighteen trillion, three hundred eleven billion, nine hundred eighty-three million, nine hundred seventy-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.831198397184 × 10¹³

Factors of 18311983971840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 571511

Divisors of 18311983971840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 107 117 120 128 130 144 156 160 180 192 195 208 214 234 240 256 260 288 312 320 321 360 384 390 416 428 468 480 512 520 535 576 585 624 640 642 720 768 780 832 856 936 960 963 1040 1070 1152 1170 1248 1280 1284 1391 1440 1536 1560 1605 1664 1712 1872 1920 1926 2080 2140 2304 2340 2496 2560 2568 2782 2880 3120 3210 3328 3424 3744 3840 3852 4160 4173 4280 4608 4680 4815 4992 5136 5564 5760 6240 6420 6656 6848 6955 7488 7680 7704 8320 8346 8560 9360 9630 9984 10272 11128 11520 12480 12519 12840 13696 13910 14976 15408 16640 16692 17120 18720 19260 19968 20544 20865 22256 23040 24960 25038 25680 27392 27820 29952 30816 33280 33384 34240 37440 38520 41088 41730 44512 49920 50076 51360 54784 55640 59904 61632 62595 66768 68480 74880 77040 82176 83460 89024 99840 100152 102720 111280 123264 125190 133536 136960 149760 154080 164352 166920 178048 200304 205440 222560 246528 250380 267072 273920 299520 308160 333840 356096 400608 410880 445120 493056 500760 534144 571381 616320 667680 712192 801216 821760 890240 1001520 1068288 1142762 1232640 1335360 1602432 1714143 1780480 2003040 2136576 2285524 2465280 2670720 2856905 3204864 3428286 3560960 4006080 4571048 5142429 5341440 5713810 6409728 6856572 7427953 8012160 8570715 9142096 10284858 10682880 11427620 13713144 14855906 16024320 17141430 18284192 20569716 22283859 22855240 25712145 27426288 29711812 32048640 34282860 36568384 37139765 41139432 44567718 45710480 51424290 54852576 59423624 61137767 66851577 68565720 73136768 74279530 82278864 89135436 91420960 102848580 109705152 111419295 118847248 122275534 133703154 137131440 146273536 148559060 164557728 178270872 182841920 183413301 205697160 219410304 222838590 237694496 244551068 267406308 274262880 292547072 297118120 305688835 329115456 334257885 356541744 365683840 366826602 411394320 438820608 445677180 475388992 489102136 534812616 548525760 550239903 594236240 611377670 658230912 668515770 713083488 731367680 733653204 794790971 822788640 877641216 891354360 917066505 950777984 978204272 1069625232 1097051520 1100479806 1188472480 1222755340 1316461824 1337031540 1426166976 1462735360 1467306408 1589581942 1645577280 1782708720 1834133010 1901555968 1956408544 2139250464 2194103040 2200959612 2376944960 2384372913 2445510680 2632923648 2674063080 2751199515 2852333952 2934612816 3179163884 3291154560 3565417440 3668266020 3803111936 3912817088 3973954855 4278500928 4388206080 4401919224 4753889920 4768745826 4891021360 5348126160 5502399030 5704667904 5869225632 6358327768 6582309120 7130834880 7153118739 7336532040 7825634176 7947909710 8557001856 8803838448 9507779840 9537491652 9782042720 10696252320 11004798060 11409335808 11738451264 11921864565 12716655536 13164618240 14261669760 14306237478 14673064080 15651268352 15895819420 17114003712 17607676896 19015559680 19074983304 19564085440 21392504640 22009596120 23476902528 23843729130 25433311072 28523339520 28612474956 29346128160 31302536704 31791638840 34228007424 35215353792 35765593695 38149966608 39128170880 42785009280 44019192240 46953805056 47687458260 50866622144 57046679040 57224949912 58692256320 63583277680 70430707584 71531187390 76299933216 78256341760 85570018560 88038384480 93907610112 95374916520 101733244288 114449899824 117384512640 127166555360 140861415168 143062374780 152599866432 156512683520 171140037120 176076768960 190749833040 203466488576 228899799648 234769025280 254333110720 281722830336 286124749560 305199732864 352153537920 381499666080 406932977152 457799599296 469538050560 508666221440 572249499120 610399465728 704307075840 762999332160 915599198592 1017332442880 1144498998240 1220798931456 1408614151680 1525998664320 1831198397184 2034664885760 2288997996480 3051997328640 3662396794368 4577995992960 6103994657280 9155991985920 18311983971840
• Sum of all divisors σ(n): 68936397225696
• Sum of proper divisors (its aliquot sum) s(n): 50624413253856
• 18311983971840 is an abundant number, because the sum of its proper divisors (50624413253856) is greater than itself. Its abundance is 32312429282016

Bases of 18311983971840

• Binary: 100001010011110010111010011001011111000000000₂
• Hexadecimal: 0x10A7974CBE00
• Base-36: 6HOEQGE80

Squares and roots of 18311983971840

• 18311983971840 squared (18311983971840²) is 335328756984925061912985600
• 18311983971840 cubed (18311983971840³) is 6140534823204978178254111955960725504000
• The square root of 18311983971840 is 4279250.3983571703
• The cube root of 18311983971840 is 26357.9603196875

Scales and comparisons

• 18,311,983,971,840 seconds is equal to 582,264 years, 23 weeks, 1 day, 22 hours, 24 minutes.
• To count from 1 to 18,311,983,971,840 would take you about one million, four hundred fifty-five thousand, six hundred sixty-one 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 18311983971840 cubic inches would be around 2196.5 feet tall.

Recreational maths with 18311983971840

• 18311983971840 backwards is 04817938911381
• The number of decimal digits it has is: 14
• The sum of 18311983971840's digits is 63
• More coming soon!