1218985013865472

Names of 1218985013865472

• Cardinal: 1218985013865472 can be written as One quadrillion, two hundred eighteen trillion, nine hundred eighty-five billion, thirteen million, eight hundred sixty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.218985013865472 × 10¹⁵

Factors of 1218985013865472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 255

Divisors of 1218985013865472

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 229 238 256 272 289 343 392 448 458 476 512 544 578 686 784 833 896 916 952 1024 1088 1156 1372 1568 1603 1666 1792 1832 1904 2023 2176 2312 2744 3136 3206 3332 3584 3664 3808 3893 4046 4352 4624 5488 5831 6272 6412 6664 7168 7328 7616 7786 8092 8704 9248 10976 11221 11662 12544 12824 13328 14161 14656 15232 15572 16184 17408 18496 21952 22442 23324 25088 25648 26656 27251 28322 29312 30464 31144 32368 36992 43904 44884 46648 50176 51296 52441 53312 54502 56644 58624 60928 62288 64736 66181 73984 78547 87808 89768 93296 99127 102592 104882 106624 109004 113288 117248 121856 124576 129472 132362 147968 157094 175616 179536 186592 190757 198254 205184 209764 213248 218008 226576 234496 249152 258944 264724 295936 314188 351232 359072 367087 373184 381514 396508 410368 419528 426496 436016 453152 463267 498304 517888 529448 628376 718144 734174 746368 763028 793016 820736 839056 852992 872032 891497 906304 926534 996608 1035776 1058896 1256752 1335299 1436288 1468348 1492736 1526056 1586032 1641472 1678112 1744064 1782994 1812608 1853068 1993216 2071552 2117792 2513504 2569609 2670598 2872576 2936696 2985472 3052112 3172064 3242869 3356224 3488128 3565988 3625216 3706136 3986432 4235584 5027008 5139218 5341196 5745152 5873392 5970944 6104224 6240479 6344128 6485738 6712448 6976256 7131976 7250432 7412272 8471168 10054016 10278436 10682392 11490304 11746784 12008989 12208448 12480958 12688256 12971476 13424896 13952512 14263952 14500864 14824544 15155449 16942336 17987263 20108032 20556872 21364784 22700083 23493568 24017978 24416896 24961916 25376512 25942952 26849792 27905024 28527904 29649088 30310898 33884672 35974526 40216064 41113744 42729568 43683353 45400166 46987136 48035956 48833792 49923832 50753024 51885904 53699584 57055808 59298176 60621796 67769344 71949052 80432128 82227488 84062923 85459136 87366706 90800332 93974272 96071912 97667584 99847664 101506048 103771808 106088143 114111616 118596352 121243592 143898104 164454976 168125846 170918272 174733412 181600664 187948544 192143824 195335168 199695328 204152813 207543616 212176286 228223232 237192704 242487184 287796208 305783471 328909952 336251692 341836544 349466824 363201328 375897088 384287648 399390656 408305626 415087232 424352572 456446464 474385408 484974368 575592416 588440461 611566942 657819904 672503384 683673088 698933648 726402656 742617001 768575296 798781312 816611252 830174464 848705144 912892928 969948736 1151184832 1176880922 1223133884 1315639808 1345006768 1367346176 1397867296 1429069691 1452805312 1485234002 1537150592 1597562624 1633222504 1660348928 1697410288 1939897472 2302369664 2353761844 2446267768 2631279616 2690013536 2795734592 2858139382 2905610624 2970468004 3074301184 3195125248 3266445008 3320697856 3394820576 3470597821 3879794944 4119083227 4604739328 4707523688 4892535536 5198319007 5380027072 5591469184 5716278764 5811221248 5940936008 6148602368 6390250496 6532890016 6789641152 6941195642 7759589888 8238166454 9209478656 9415047376 9785071072 10003487837 10396638014 10760054144 11182938368 11432557528 11622442496 11881872016 12297204736 13065780032 13579282304 13882391284 15519179776 16476332908 18418957312 18830094752 19570142144 20006975674 20793276028 21520108288 22365876736 22865115056 23244884992 23763744032 24294184747 26131560064 27158564608 27764782568 32952665816 37660189504 39140284288 40013951348 41586552056 43040216576 44731753472 45730230112 47527488064 48588369494 52263120128 54317129216 55529565136 65905331632 70024414859 75320379008 78280568576 80027902696 83173104112 86080433152 91460460224 95054976128 97176738988 104526240256 108634258432 111059130272 131810663264 140048829718 150640758016 156561137152 160055805392 166346208224 170059293229 182920920448 190109952256 194353477976 209052480512 222118260544 263621326528 280097659436 301281516032 313122274304 320111610784 332692416448 340118586458 365841840896 380219904512 388706955952 444236521088 527242653056 560195318872 602563032064 640223221568 665384832896 680237172916 731683681792 760439809024 777413911904 888473042176 1054485306112 1120390637744 1190415052603 1280446443136 1330769665792 1360474345832 1463367363584 1554827823808 1776946084352 2108970612224 2240781275488 2380830105206 2560892886272 2661539331584 2720948691664 3109655647616 3553892168704 4217941224448 4481562550976 4761660210412 5121785772544 5323078663168 5441897383328 6219311295232 8963125101952 9523320420824 10243571545088 10883794766656 12438622590464 17926250203904 19046640841648 21767589533312 24877245180928 35852500407808 38093281683296 43535179066624 71705000815616 76186563366592 87070358133248 152373126733184 174140716266496 304746253466368 609492506932736 1218985013865472
• Sum of all divisors σ(n): 3031958772856000
• Sum of proper divisors (its aliquot sum) s(n): 1812973758990528
• 1218985013865472 is an abundant number, because the sum of its proper divisors (1812973758990528) is greater than itself. Its abundance is 593988745125056

Bases of 1218985013865472

• Binary: 100010101001010100100010000101111001110110000000000₂
• Hexadecimal: 0x454A910BCEC00
• Base-36: C03DZFZTOG

Squares and roots of 1218985013865472

• 1218985013865472 squared (1218985013865472²) is 1485924464028604964091313782784
• 1218985013865472 cubed (1218985013865472³) is 1811319653386953072256479460176070938405634048
• The square root of 1218985013865472 is 34913965.8856663261
• The cube root of 1218985013865472 is 106823.3324749027

Scales and comparisons

• 1,218,985,013,865,472 seconds is equal to 38,759,952 years, 45 weeks, 2 days, 15 hours, 57 minutes, 52 seconds.
• To count from 1 to 1,218,985,013,865,472 would take you about one hundred sixteen million, two hundred seventy-nine thousand, eight hundred fifty-eight 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 1218985013865472 cubic inches would be around 8901.9 feet tall.

Recreational maths with 1218985013865472

• 1218985013865472 backwards is 2745683105898121
• The number of decimal digits it has is: 16
• The sum of 1218985013865472's digits is 70
• More coming soon!