18493938927102240

Names of 18493938927102240

• Cardinal: 18493938927102240 can be written as Eighteen quadrillion, four hundred ninety-three trillion, nine hundred thirty-eight billion, nine hundred twenty-seven million, one hundred two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.849393892710224 × 10¹⁶

Factors of 18493938927102240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 448442

Divisors of 18493938927102240

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 70 72 80 84 90 96 105 112 120 126 140 144 160 168 180 210 224 240 252 280 288 315 336 360 420 480 504 560 630 672 720 840 983 1008 1120 1260 1440 1680 1966 2016 2520 2949 3360 3932 4211 4915 5040 5898 6881 7864 8422 8847 9830 10080 11796 12633 13762 14745 15728 16844 17694 19660 20643 21055 23592 25266 27524 29477 29490 31456 33688 34405 35388 37899 39320 41286 42110 44235 47184 50532 55048 58954 58980 61929 63165 67376 68810 70776 75798 78640 82572 84220 88431 88470 94368 101064 103215 110096 117908 117960 123858 126330 134752 137620 141552 147385 151596 157280 165144 168440 176862 176940 189495 202128 206430 220192 235816 235920 247716 252660 265293 275240 283104 294770 303192 309645 330288 336880 353724 353880 378990 404256 412860 442155 443231 471632 471840 495432 505320 530586 550480 589540 606384 619290 660576 673760 707448 707760 757980 825720 884310 886462 943264 990864 1010640 1061172 1100960 1179080 1212768 1238580 1326465 1329693 1414896 1415520 1515960 1651440 1768620 1772924 1981728 2021280 2122344 2216155 2358160 2477160 2652930 2659386 2829792 3031920 3102617 3302880 3537240 3545848 3989079 4139413 4244688 4432310 4716320 4954320 5305860 5318772 6063840 6205234 6648465 7074480 7091696 7978158 8278826 8489376 8864620 9307851 9908640 10611720 10637544 12410468 12418239 13296930 14148960 14183392 15513085 15956316 16557652 17729240 18615702 19945395 20697065 21223440 21275088 24820936 24836478 26593860 27923553 28975891 31026170 31912632 33115304 35458480 37231404 37254717 39890790 41394130 42446880 42550176 46539255 49641872 49672956 53187720 55847106 57951782 62052340 62091195 63825264 66230608 70916960 74462808 74509434 79781580 82788260 86927673 93078510 99283744 99345912 106375440 111694212 115903564 124104680 124182390 127650528 132461216 139617765 144879455 148925616 149018868 159563160 165576520 173855346 186157020 186273585 198691824 212750880 223388424 231807128 248209360 248364780 260783019 279235530 289758910 297851232 298037736 319126320 331153040 347710692 372314040 372547170 397383648 434638365 435696073 446776848 463614256 496418720 496729560 521566038 558471060 579517820 596075472 638252640 662306080 695421384 744628080 745094340 869276730 871392146 893553696 927228512 993459120 1043132076 1116942120 1159035640 1192150944 1303915095 1307088219 1390842768 1489256160 1490188680 1738553460 1742784292 1866445741 1986918240 2086264152 2178480365 2233884240 2318071280 2607830190 2614176438 2781685536 2980377360 3049872511 3477106920 3485568584 3732891482 3921264657 4172528304 4356960730 4467768480 4636142560 5215660380 5228352876 5599337223 5960754720 6099745022 6535441095 6954213840 6971137168 7465782964 7842529314 8345056608 8713921460 9149617533 9332228705 10431320760 10456705752 11198674446 12199490044 13065120187 13070882190 13908427680 13942274336 14931565928 15249362555 15685058628 16798011669 17427842920 18299235066 18664457410 19606323285 20862641520 20913411504 22397348892 24398980088 26130240374 26141764380 27448852599 27996686115 29863131856 30498725110 31370117256 33596023338 34855685840 36598470132 37328914820 39195360561 39212646570 41725283040 41826823008 44794697784 45748087665 48797960176 52260480748 52283528760 54897705198 55993372230 59726263712 60997450220 62740234512 65325600935 67192046676 69711371680 73196940264 74657829640 78390721122 78425293140 83990058345 89589395568 91496175330 97595920352 104520961496 104567057520 109795410396 111986744460 117586081683 121994900440 125480469024 130651201870 134384093352 137244262995 146393880528 149315659280 156781442244 156850586280 167980116690 179178791136 182992350660 195976802805 209041922992 209134115040 219590820792 223973488920 235172163366 243989800880 261302403740 268768186704 274488525990 292787761056 298631318560 313562884488 313701172560 335960233380 365984701320 391953605610 418083845984 439181641584 447946977840 470344326732 487979601760 522604807480 537536373408 548977051980 587930408415 627125768976 627402345120 671920466760 731969402640 783907211220 878363283168 895893955680 940688653464 1045209614960 1097954103960 1175860816830 1254251537952 1343840933520 1463938805280 1567814422440 1834716163403 1881377306928 2090419229920 2195908207920 2351721633660 2687681867040 3135628844880 3669432326806 3762754613856 4391816415840 4703443267320 5504148490209 6271257689760 7338864653612 9173580817015 9406886534640 11008296980418 12843013143821 14677729307224 16512445470627 18347161634030 18813773069280 22016593960836 25686026287642 27520742451045 29355458614448 33024890941254 36694323268060 38529039431463 44033187921672 51372052575284 55041484902090 58710917228896 64215065719105 66049781882508 73388646536120 77058078862926 82562227353135 88066375843344 102744105150568 110082969804180 115587118294389 128430131438210 132099563765016 146777293072240 154116157725852 165124454706270 176132751686688 192645197157315 205488210301136 220165939608360 231174236588778 256860262876420 264199127530032 293554586144480 308232315451704 330248909412540 385290394314630 410976420602272 440331879216720 462348473177556 513720525752840 528398255060064 577935591471945 616464630903408 660497818825080 770580788629260 880663758433440 924696946355112 1027441051505680 1155871182943890 1232929261806816 1320995637650160 1541161577258520 1849393892710224 2054882103011360 2311742365887780 2641991275300320 3082323154517040 3698787785420448 4623484731775560 6164646309034080 9246969463551120 18493938927102240
• Sum of all divisors σ(n): 72217043971817472
• Sum of proper divisors (its aliquot sum) s(n): 53723105044715232
• 18493938927102240 is an abundant number, because the sum of its proper divisors (53723105044715232) is greater than itself. Its abundance is 35229166117612992

Bases of 18493938927102240

• Binary: 1000001101101000010001110110100001111110110100100100000₂
• Hexadecimal: 0x41B423B43F6920
• Base-36: 523JY95UDK0

Squares and roots of 18493938927102240

• 18493938927102240 squared (18493938927102240²) is 342025777039387551960803413017600
• 18493938927102240 cubed (18493938927102240³) is 6325403832061120974891644401513123717062119424000
• The square root of 18493938927102240 is 135992422.3150034195
• The cube root of 18493938927102240 is 264449.7371605929

Scales and comparisons

• 18,493,938,927,102,240 seconds is equal to 588,050,052 years, 19 weeks, 2 days, 16 hours, 24 minutes.
• To count from 1 to 18,493,938,927,102,240 would take you about one billion, seven hundred sixty-four million, one hundred fifty thousand, one hundred fifty-seven 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 18493938927102240 cubic inches would be around 22037.5 feet tall.

Recreational maths with 18493938927102240

• 18493938927102240 backwards is 04220172983939481
• 18493938927102240 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18493938927102240's digits is 72
• More coming soon!