18039642152949018

Names of 18039642152949018

• Cardinal: 18039642152949018 can be written as Eighteen quadrillion, thirty-nine trillion, six hundred forty-two billion, one hundred fifty-two million, nine hundred forty-nine thousand and eighteen.

Scientific notation

• Scientific notation: 1.8039642152949018 × 10¹⁶

Factors of 18039642152949018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 456

Divisors of 18039642152949018

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 163 281 294 326 343 441 489 562 686 843 882 978 1029 1141 1467 1686 1967 2058 2282 2401 2529 2934 3087 3423 3934 4802 5058 5901 6174 6846 7203 7987 10269 11802 13769 14406 15974 16807 17703 20538 21609 23961 26569 27538 33614 35406 41307 43218 45803 47922 50421 53138 55909 71883 79707 82614 91606 96383 100842 111818 117649 123921 137409 143766 151263 159414 167727 185983 192766 235298 239121 247842 274818 289149 302526 320621 335454 352947 371966 391363 412227 478242 503181 557949 578298 641242 674681 705894 782726 823543 824454 867447 961863 1006362 1058841 1115898 1174089 1301881 1349362 1647086 1673847 1734894 1923726 2024043 2117682 2244347 2348178 2470629 2603762 2739541 2885589 3347694 3522267 3905643 4048086 4330747 4488694 4722767 4941258 5479082 5771178 6072129 6733041 7044534 7411887 7465889 7811286 8218623 8661494 9113167 9445534 11716929 12144258 12992241 13466082 14168301 14823774 14931778 15710429 16437246 18226334 19176787 20199123 22397667 23433858 24655869 25984482 27339501 28336602 30315229 31420858 33059369 38353574 38976723 40398246 42504903 44795334 47131287 49311738 52261223 54679002 57530361 60630458 63792169 66118738 67193001 77953446 82018503 85009806 90945687 94262574 99178107 104522446 109973003 115060722 127584338 134237509 134386002 141393861 156783669 164037006 172591083 181891374 191376507 198356214 212206603 219946006 231415583 268475018 272837061 282787722 297534321 313567338 329919009 345182166 365828561 382753014 402712527 424413206 446545183 462831166 470351007 545674122 574129521 595068642 636619809 659838018 694246749 731657122 769811021 805425054 893090366 940702014 989757027 1097485683 1148259042 1208137581 1216939907 1273239618 1339635549 1388493498 1485446221 1539622042 1909859427 1979514054 2082740247 2194971366 2309433063 2416275162 2433879814 2560799927 2679271098 2970892442 3125816281 3292457049 3650819721 3819718854 4018906647 4165480494 4456338663 4618866126 5121599854 5388677147 6251632562 6584914098 6928299189 7301639442 7682399781 8037813294 8518579349 8912677326 9377448843 10398123547 10777354294 10952459163 13369015989 13856598378 15364799562 16166031441 17037158698 17925599489 18754897686 20796247094 21880713967 21904918326 23047199343 25555738047 26738031978 28132346529 31194370641 32332062882 35851198978 37720740029 43761427934 46094398686 48498094323 51111476094 53776798467 56264693058 59630055443 62388741282 65642141901 72786864829 75441480058 76667214141 93583111923 96996188646 107553596934 113162220087 119260110886 125479196423 131284283802 145573729658 153334428282 161330395401 178890166329 187166223846 196926425703 218360594487 226324440174 250958392846 322660790802 339486660261 357780332658 376437589269 393852851406 417410388101 436721188974 509508053803 536670498987 655081783461 678973320522 752875178538 834820776202 878354374961 1019016107606 1073340997974 1129312767807 1252231164303 1310163566922 1528524161409 1756708749922 2258625535614 2504462328606 2635063124883 2921872716707 3057048322818 3566556376621 3756693492909 4585572484227 5270126249766 5843745433414 6148480624727 7133112753242 7513386985818 7905189374649 8765618150121 9171144968454 10699669129863 12296961249454 15810378749298 17531236300242 18445441874181 20453109016949 21399338259726 26296854450363 32099007389589 36890883748362 40906218033898 52593708900726 55336325622543 61359327050847 64198014779178 110672651245086 122718654101694 143171763118643 184077981152541 286343526237286 368155962305082 429515289355929 859030578711858 1002202341830501 1288545868067787 2004404683661002 2577091736135574 3006607025491503 6013214050983006 9019821076474509 18039642152949018
• Sum of all divisors σ(n): 46044961290432000
• Sum of proper divisors (its aliquot sum) s(n): 28005319137482982
• 18039642152949018 is an abundant number, because the sum of its proper divisors (28005319137482982) is greater than itself. Its abundance is 9965676984533964

Bases of 18039642152949018

• Binary: 1000000000101101111010101111110011001101101010100011010₂
• Hexadecimal: 0x4016F57E66D51A
• Base-36: 4XMIP743W2I

Squares and roots of 18039642152949018

• 18039642152949018 squared (18039642152949018²) is 325428689006455081336514107164324
• 18039642152949018 cubed (18039642152949018³) is 5870617095979783768956296372724000365938120433832
• The square root of 18039642152949018 is 134311734.9785528531
• The cube root of 18039642152949018 is 262266.3906355685

Scales and comparisons

• 18,039,642,152,949,018 seconds is equal to 573,604,820 years, 9 weeks, 5 days, 30 minutes, 18 seconds.
• To count from 1 to 18,039,642,152,949,018 would take you about one billion, seven hundred twenty million, eight hundred fourteen thousand, four hundred sixty 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 18039642152949018 cubic inches would be around 21855.5 feet tall.

Recreational maths with 18039642152949018

• 18039642152949018 backwards is 81094925124693081
• The number of decimal digits it has is: 17
• The sum of 18039642152949018's digits is 72
• More coming soon!