18538421988260000

Names of 18538421988260000

• Cardinal: 18538421988260000 can be written as Eighteen quadrillion, five hundred thirty-eight trillion, four hundred twenty-one billion, nine hundred eighty-eight million, two hundred sixty thousand.

Scientific notation

• Scientific notation: 1.853842198826 × 10¹⁶

Factors of 18538421988260000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 12943

Divisors of 18538421988260000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 41 50 80 82 100 125 160 164 200 205 250 328 400 410 500 625 656 800 820 1000 1025 1093 1250 1312 1640 2000 2050 2141 2186 2500 3280 4000 4100 4282 4372 5000 5125 5465 6560 8200 8564 8744 9661 10000 10250 10705 10930 16400 17128 17488 19322 20000 20500 21410 21860 25625 27325 32800 34256 34976 38644 41000 42820 43720 44813 48305 51250 53525 54650 68512 77288 82000 85640 87440 87781 89626 96610 102500 107050 109300 136625 154576 164000 171280 174880 175562 179252 193220 205000 214100 218600 224065 241525 267625 273250 309152 342560 351124 358504 386440 396101 410000 428200 437200 438905 448130 483050 535250 546500 683125 702248 717008 772880 792202 820000 856400 874400 877810 896260 966100 1070500 1093000 1120325 1207625 1338125 1366250 1404496 1434016 1545760 1584404 1712800 1755620 1792520 1932200 1980505 2141000 2186000 2194525 2240650 2340113 2415250 2676250 2732500 2808992 3168808 3511240 3585040 3864400 3961010 4282000 4372000 4389050 4481300 4680226 4830500 5352500 5465000 5601625 6038125 6337616 7022480 7170080 7728800 7922020 8564000 8778100 8962600 9360452 9661000 9902525 10559473 10705000 10930000 10972625 11203250 11700565 12076250 12675232 14044960 15844040 17556200 17925200 18720904 19322000 19805050 20684201 21118946 21410000 21860000 21945250 22406500 23401130 24152500 28008125 31688080 35112400 35850400 37441808 38644000 39610100 41368402 42237892 42820000 43890500 44813000 46802260 48305000 49512625 52797365 54863125 56016250 58502825 63376160 70224800 74883616 79220200 82736804 84475784 87781000 89626000 93604520 95944633 96610000 99025250 103421005 105594730 109726250 112032500 117005650 158440400 165473608 168951568 175562000 179252000 187209040 191889266 193220000 198050500 206842010 211189460 219452500 224065000 234011300 247563125 263986825 292514125 316880800 330947216 337903136 351124000 374418080 383778532 396101000 413684020 422378920 432938393 438905000 448130000 468022600 479723165 495126250 517105025 527973650 585028250 661894432 767557064 792202000 827368040 844757840 848052241 865876786 877810000 896260000 936045200 959446330 990252500 1034210050 1055947300 1170056500 1319934125 1462570625 1535114128 1584404000 1654736080 1689515680 1696104482 1731753572 1755620000 1872090400 1918892660 1980505000 2068420100 2111894600 2164691965 2340113000 2398615825 2585525125 2639868250 2925141250 3070228256 3309472160 3392208964 3463507144 3837785320 3961010000 4136840200 4223789200 4240261205 4329383930 4680226000 4797231650 5171050250 5279736500 5850282500 6599670625 6784417928 6927014288 7675570640 7922020000 8273680400 8447578400 8480522410 8658767860 9360452000 9594463300 10342100500 10559473000 10823459825 11700565000 11993079125 12927625625 13199341250 13568835856 13854028576 15351141280 16547360800 16961044820 17317535720 19188926600 20684201000 21118946000 21201306025 21646919650 22607831693 23401130000 23986158250 25855251250 26398682500 27137671712 33922089640 34635071440 38377853200 41368402000 42237892000 42402612050 43293839300 45215663386 46802260000 47972316500 51710502500 52797365000 54117299125 59965395625 67844179280 69270142880 76755706400 82736804000 84805224100 86587678600 90431326772 95944633000 103421005000 105594730000 106006530125 108234598250 113039158465 119930791250 135688358560 169610448200 173175357200 180862653544 191889266000 206842010000 211189460000 212013060250 216469196500 226078316930 239861582500 270586495625 339220896400 346350714400 361725307088 383778532000 413684020000 424026120500 432938393000 452156633860 479723165000 530032650625 541172991250 565195792325 678441792800 723450614176 848052241000 865876786000 904313267720 926921099413 959446330000 1060065301250 1082345982500 1130391584650 1696104482000 1731753572000 1808626535440 1853842198826 1918892660000 2120130602500 2164691965000 2260783169300 2825978961625 3392208964000 3617253070880 3707684397652 4240261205000 4329383930000 4521566338600 4634605497065 5651957923250 7415368795304 8480522410000 8658767860000 9043132677200 9269210994130 11303915846500 14129894808125 14830737590608 16961044820000 18086265354400 18538421988260 22607831693000 23173027485325 28259789616250 29661475181216 37076843976520 45215663386000 46346054970650 56519579232500 74153687953040 90431326772000 92692109941300 113039158465000 115865137426625 148307375906080 185384219882600 226078316930000 231730274853250 370768439765200 452156633860000 463460549706500 579325687133125 741536879530400 926921099413000 1158651374266250 1853842198826000 2317302748532500 3707684397652000 4634605497065000 9269210994130000 18538421988260000
• Sum of all divisors σ(n): 46789100416141776
• Sum of proper divisors (its aliquot sum) s(n): 28250678427881776
• 18538421988260000 is an abundant number, because the sum of its proper divisors (28250678427881776) is greater than itself. Its abundance is 9712256439621776

Bases of 18538421988260000

• Binary: 1000001110111001001100010111001010011100111100010100000₂
• Hexadecimal: 0x41DC98B94E78A0
• Base-36: 52JBLHNXSBK

Squares and roots of 18538421988260000

• 18538421988260000 squared (18538421988260000²) is 343673089814801851577827600000000
• 18538421988260000 cubed (18538421988260000³) is 6371156764995976496505360154523503976000000000000
• The square root of 18538421988260000 is 136155873.8661685503
• The cube root of 18538421988260000 is 264661.5924236983

Scales and comparisons

• 18,538,421,988,260,000 seconds is equal to 589,464,476 years, 6 weeks, 2 days, 13 hours, 33 minutes, 20 seconds.
• To count from 1 to 18,538,421,988,260,000 would take you about one billion, seven hundred sixty-eight million, three hundred ninety-three thousand, four hundred twenty-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 18538421988260000 cubic inches would be around 22055.1 feet tall.

Recreational maths with 18538421988260000

• 18538421988260000 backwards is 00006288912483581
• The number of decimal digits it has is: 17
• The sum of 18538421988260000's digits is 65
• More coming soon!