19438341145156920

Names of 19438341145156920

• Cardinal: 19438341145156920 can be written as Nineteen quadrillion, four hundred thirty-eight trillion, three hundred forty-one billion, one hundred forty-five million, one hundred fifty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.943834114515692 × 10¹⁶

Factors of 19438341145156920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2855

Divisors of 19438341145156920

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 49 56 60 70 84 98 105 120 140 147 168 196 210 245 280 294 392 420 490 588 735 840 977 980 1176 1470 1861 1954 1960 2931 2940 3722 3908 4885 5583 5862 5880 6839 7444 7816 9305 9770 11166 11724 13027 13678 14655 14888 18610 19540 20517 22332 23448 26054 27356 27915 29310 34195 37220 39080 39081 41034 44664 47873 52108 54712 55830 58620 65135 68390 74440 78162 82068 91189 95746 102585 104216 111660 117240 130270 136780 143619 156324 164136 182378 191492 195405 205170 223320 239365 260540 273560 273567 287238 312648 364756 382984 390810 410340 455945 478730 521080 547134 574476 718095 729512 781620 820680 911890 954529 957460 1094268 1148952 1367835 1436190 1563240 1818197 1823780 1909058 1914920 2188536 2735670 2863587 2872380 3463321 3636394 3647560 3818116 4772645 5454591 5471340 5727174 5744760 6681703 6926642 7272788 7636232 9090985 9545290 10389963 10909182 10942680 11454348 12727379 13363406 13853284 14317935 14545576 17316605 18181970 19090580 20045109 20779926 21818364 22908696 24243247 25454758 26726812 27272955 27706568 28635870 33408515 34633210 36363940 38181160 38182137 40090218 41559852 43636728 46771921 48486494 50909516 51949815 53453624 54545910 57271740 63636895 66817030 69266420 72727880 72729741 76364274 80180436 83119704 89091653 93543842 96972988 100225545 101819032 103899630 109091820 114543480 121216235 127273790 133634060 138532840 140315763 145459482 152728548 160360872 169702729 178183306 187087684 190910685 193945976 200451090 207799260 218183640 233859605 242432470 254547580 267268120 267274959 280631526 290918964 305457096 339405458 356366612 363648705 374175368 381821370 400902180 415598520 445458265 467719210 484864940 509095160 509108187 534549918 561263052 581837928 678810916 701578815 712733224 727297410 763642740 801804360 848513645 890916530 935438420 969729880 1018216374 1069099836 1122526104 1336374795 1357621832 1403157630 1454594820 1527285480 1697027290 1776378469 1781833060 1870876840 2036432748 2138199672 2545540935 2672749590 2806315260 2909189640 3383664617 3394054580 3552756938 3563666120 4072865496 5091081870 5329135407 5345499180 5612630520 6767329234 6788109160 7105513876 8881892345 10150993851 10182163740 10658270814 10690998360 12434649283 13534658468 14211027752 16918323085 17763784690 20301987702 20364327480 21316541628 23685652319 24869298566 26645677035 27069316936 33836646170 35527569380 37303947849 40603975404 42633083256 47371304638 49738597132 50754969255 53291354070 62173246415 67673292340 71055138760 71056956957 74607895698 81207950808 87042544981 94742609276 99477194264 101509938510 106582708140 118428261595 124346492830 135346584680 142113913914 149215791396 165799566233 174085089962 186519739245 189485218552 203019877020 213165416280 236856523190 248692985660 261127634943 284227827828 298431582792 331599132466 348170179924 355284784785 373039478490 406039754040 435212724905 473713046380 497385971320 497398698699 522255269886 568455655656 663198264932 696340359848 710569569570 746078956980 828997831165 870425449810 947426092760 994797397398 1044510539772 1305638174715 1326396529864 1421139139140 1492157913960 1657995662330 1740850899620 1989594794796 2089021079544 2486993493495 2611276349430 2842278278280 3305840330809 3315991324660 3481701799240 3979189589592 4973986986990 5222552698860 6611680661618 6631982649320 9917520992427 9947973973980 10445105397720 13223361323236 16529201654045 19835041984854 19895947947960 23140882315663 26446722646472 33058403308090 39670083969708 46281764631326 49587604962135 66116806616180 69422646946989 79340167939416 92563529262652 99175209924270 115704411578315 132233613232360 138845293893978 161986176209641 185127058525304 198350419848540 231408823156630 277690587787956 323972352419282 347113234734945 396700839697080 462817646313260 485958528628923 555381175575912 647944704838564 694226469469890 809930881048205 925635292626520 971917057257846 1295889409677128 1388452938939780 1619861762096410 1943834114515692 2429792643144615 2776905877879560 3239723524192820 3887668229031384 4859585286289230 6479447048385640 9719170572578460 19438341145156920
• Sum of all divisors σ(n): 67941855694266120
• Sum of proper divisors (its aliquot sum) s(n): 48503514549109200
• 19438341145156920 is an abundant number, because the sum of its proper divisors (48503514549109200) is greater than itself. Its abundance is 29065173403952280

Bases of 19438341145156920

• Binary: 1000101000011110001000101111010111110101101110100111000₂
• Hexadecimal: 0x450F117AFADD38
• Base-36: 5BEBEN6QB7C

Squares and roots of 19438341145156920

• 19438341145156920 squared (19438341145156920²) is 377849106475500440009971423886400
• 19438341145156920 cubed (19438341145156920³) is 7344759833063498219299567268251609641764253888000
• The square root of 19438341145156920 is 139421451.5243508717
• The cube root of 19438341145156920 is 268876.6364277607

Scales and comparisons

• 19,438,341,145,156,920 seconds is equal to 618,079,121 years, 35 weeks, 2 days, 4 hours, 2 minutes.
• To count from 1 to 19,438,341,145,156,920 would take you about one billion, eight hundred fifty-four million, two hundred thirty-seven thousand, three hundred sixty-five 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 19438341145156920 cubic inches would be around 22406.4 feet tall.

Recreational maths with 19438341145156920

• 19438341145156920 backwards is 02965154114383491
• The number of decimal digits it has is: 17
• The sum of 19438341145156920's digits is 66
• More coming soon!