18139791007522845

Names of 18139791007522845

• Cardinal: 18139791007522845 can be written as Eighteen quadrillion, one hundred thirty-nine trillion, seven hundred ninety-one billion, seven million, five hundred twenty-two thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.8139791007522845 × 10¹⁶

Factors of 18139791007522845

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 213

Divisors of 18139791007522845

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 61 85 127 135 153 183 255 289 305 381 459 549 635 765 867 915 1037 1143 1445 1647 1905 2159 2295 2601 2745 3111 3429 3721 4335 5185 5715 6477 7747 7803 8235 9333 10795 11163 13005 15555 16129 17145 17629 18605 19431 23241 27999 32385 33489 36703 38735 39015 46665 48387 52887 55815 58293 63257 69723 80645 88145 97155 100467 110109 116205 131699 139995 145161 158661 167445 183515 189771 209169 226981 241935 264435 274193 291465 316285 330327 348615 395097 435483 472567 475983 502335 550545 569313 658495 680943 725805 793305 822579 948855 983869 990981 1045845 1075369 1134905 1185291 1370965 1417701 1651635 1707939 1975485 2042829 2048383 2177415 2238883 2362835 2379915 2467737 2846565 2951607 3226107 3404715 3555873 3858677 4112895 4253103 4661281 4919345 4954905 5376845 5926455 6128487 6145149 6716649 7088505 7403211 8033639 8539695 8854821 9678321 10214145 10241915 11194415 11576031 12338685 12759309 13983843 14758035 16130535 16725773 17779365 18435447 19293385 20149947 21265515 23306405 24100917 26564463 28826587 29034963 30642435 30725745 33583245 34728093 34822511 37016055 40168195 41951529 44274105 48391605 50177319 55306341 57880155 60016009 60449841 63796545 65597509 69919215 72302751 83628865 86479761 92177235 100749735 104184279 104467533 120504585 124951363 125854587 132822315 136571863 144132935 145174815 150531957 173640465 174112555 180048027 196792527 209757645 216908253 250886595 259439283 276531705 284338141 300080045 302249205 313402599 327987545 361513755 374854089 409715589 432398805 451595871 490051979 520921395 522337665 540144081 590377581 591982687 624756815 629272935 682859315 752659785 778317849 853014423 900240135 940207797 983962635 1020272153 1084541265 1124562267 1229146767 1297196415 1421690705 1470155937 1567012995 1620432243 1771132743 1775948061 1874270445 2048577945 2124173171 2257979355 2450259895 2559043269 2700720405 2951887905 2959913435 3060816459 3373686801 3660976549 3687440301 3891589245 4265072115 4410467811 4701038985 5101360765 5327844183 5622811335 6145733835 6372519513 7350779685 7622033143 7677129807 8102161215 8330883643 8855663715 8879740305 9182449377 10620865855 10982929647 12795216345 13231403433 15304082295 15983532549 16868434005 17344626601 18304882745 18437201505 19117558539 22052339055 22866099429 24992650929 26639220915 27547348131 31862597565 32948788941 36110943907 38110165715 38385649035 41654418215 45912246885 52033879803 54914648235 57352675617 62236601333 66157017165 68598298287 74977952787 79917662745 86723133005 95587792695 98846366823 108332831721 114330497145 124963254645 129574563431 137736740655 156101639409 164743944705 180554719535 186709803999 205794894861 224933858361 260169399015 286763378085 311183006665 324998495163 342991491435 374889763935 388723690293 464944021723 468304918227 494231834115 541664158605 560129411997 647872817155 780508197045 933549019995 974995485489 1028974474305 1058022222661 1124669291805 1166171070879 1394832065169 1624992475815 1680388235991 1943618451465 2202767578327 2324720108615 2341524591135 2800647059985 3174066667983 3498513212637 4184496195507 4874977427445 5290111113305 5830855354395 6608302734981 6974160325845 7904048369291 8401941179955 9522200003949 11013837891635 12553488586521 15870333339915 17492566063185 19824908204943 20922480977535 23712145107873 28566600011847 33041513674905 39520241846455 47611000019745 59474724614829 62767442932605 71136435323619 99124541024715 118560725539365 134368822277947 142833000059235 213409305970857 297373623074145 355682176618095 403106466833841 671844111389735 1067046529854285 1209319400501523 2015532334169205 3627958201504569 6046597002507615 18139791007522845
• Sum of all divisors σ(n): 35104437019852800
• Sum of proper divisors (its aliquot sum) s(n): 16964646012329955
• 18139791007522845 is a deficient number, because the sum of its proper divisors (16964646012329955) is less than itself. Its deficiency is 1175144995192890

Bases of 18139791007522845

• Binary: 1000000011100100000101100110111010011011010000000011101₂
• Hexadecimal: 0x40720B374DA01D
• Base-36: 4YM0OY2CRH9

Squares and roots of 18139791007522845

• 18139791007522845 squared (18139791007522845²) is 329052017796606672107383196894025
• 18139791007522845 cubed (18139791007522845³) is 5968934833434132868054574268799129794613231501125
• The square root of 18139791007522845 is 134684041.3988340529
• The cube root of 18139791007522845 is 262750.8278590255

Scales and comparisons

• 18,139,791,007,522,845 seconds is equal to 576,789,243 years, 51 weeks, 7 hours, 45 seconds.
• To count from 1 to 18,139,791,007,522,845 would take you about one billion, seven hundred thirty million, three hundred sixty-seven thousand, seven hundred thirty-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 18139791007522845 cubic inches would be around 21895.9 feet tall.

Recreational maths with 18139791007522845

• 18139791007522845 backwards is 54822570019793181
• The number of decimal digits it has is: 17
• The sum of 18139791007522845's digits is 72
• More coming soon!