28138646036800

Names of 28138646036800

• Cardinal: 28138646036800 can be written as Twenty-eight trillion, one hundred thirty-eight billion, six hundred forty-six million, thirty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.81386460368 × 10¹³

Factors of 28138646036800

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2984

Divisors of 28138646036800

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 25 26 29 32 40 50 52 58 64 65 80 97 100 104 116 130 145 160 181 194 200 208 232 260 290 320 325 362 377 388 400 416 464 485 520 580 650 724 725 754 776 800 832 905 928 970 1040 1160 1261 1300 1448 1450 1508 1552 1600 1810 1856 1885 1940 2080 2320 2353 2425 2522 2600 2657 2813 2896 2900 3016 3104 3620 3770 3880 4160 4525 4640 4706 4850 5044 5200 5249 5314 5626 5792 5800 6032 6208 6305 7240 7540 7760 9050 9280 9412 9425 9700 10088 10400 10498 10628 11252 11584 11600 11765 12064 12610 13285 14065 14480 15080 15520 17557 18100 18824 18850 19400 20176 20800 20996 21256 22504 23200 23530 24128 25220 26245 26570 28130 28960 30160 31040 31525 34541 35114 36200 36569 37648 37700 38800 40352 41992 42512 45008 46400 47060 50440 52490 53140 56260 57920 58825 60320 63050 66425 68237 69082 70228 70325 72400 73138 75296 75400 77053 77600 80704 83984 85024 87785 90016 94120 100880 104980 106280 112520 117650 120640 126100 131225 132850 136474 138164 140456 140650 144800 146276 150592 150800 154106 155200 167968 170048 172705 175570 180032 182845 188240 201760 209960 212560 225040 228241 235300 252200 257729 262450 265700 272948 276328 280912 281300 289600 292552 301600 308212 335936 341185 345410 351140 365690 376480 385265 403520 419920 425120 438925 450080 456482 470600 480917 504400 509153 515458 524900 531400 545896 552656 561824 562600 585104 603200 616424 682370 690820 702280 731380 752960 770530 839840 850240 863525 877850 900160 912964 914225 941200 961834 1001689 1008800 1018306 1030916 1049800 1062800 1091792 1105312 1123648 1125200 1141205 1170208 1232848 1288645 1364740 1381640 1404560 1462760 1541060 1679680 1705925 1727050 1755700 1825928 1828450 1882400 1923668 1926325 2003378 2017600 2036612 2061832 2099600 2125600 2183584 2210624 2250400 2282410 2340416 2404585 2465696 2545765 2577290 2729480 2763280 2809120 2925520 3082120 3350477 3411850 3454100 3511400 3651856 3656900 3764800 3847336 3852650 4006756 4073224 4123664 4199200 4251200 4367168 4500800 4564820 4809170 4931392 5008445 5091530 5154580 5458960 5526560 5618240 5706025 5851040 6164240 6251921 6443225 6618989 6700954 6823700 6908200 7022800 7303712 7313800 7474141 7694672 7705300 8013512 8146448 8247328 8398400 9129640 9618340 10016890 10183060 10309160 10917920 11053120 11412050 11702080 12022925 12328480 12503842 12728825 12886450 13237978 13401908 13647400 13816400 13946593 14045600 14607424 14627600 14948282 15389344 15410600 16027024 16292896 16494656 16752385 18259280 19236680 20033780 20366120 20618320 21835840 22824100 24045850 24656960 25007684 25042225 25457650 25772900 26475956 26803816 27294800 27632800 27893186 28091200 29255200 29896564 30778688 30821200 31259605 32054048 32585792 33094945 33504770 36518560 37370705 38473360 40067560 40732240 41236640 45648200 46648949 48091700 50015368 50084450 50915300 51545800 52951912 53607632 54589600 55265600 55786372 58510400 59793128 61642400 62519210 64108096 66189890 67009540 69732965 73037120 74741410 76946720 80135120 81464480 82473280 83761925 91296400 93297898 96183400 97163833 100030736 100168900 101830600 103091600 105903824 107215264 109179200 111572744 119586256 123284800 125038420 132379780 134019080 139465930 149482820 153893440 156298025 160270240 162928960 165474725 167523850 181305709 182592800 186595796 186853525 192366800 194327666 200061472 200337800 203661200 206183200 211807648 214430528 223145488 233244745 239172512 250076840 264759560 268038160 278931860 298965640 312596050 320540480 330949450 335047700 348664825 362611418 365185600 373191592 373707050 384733600 388655332 400122944 400675600 407322400 412366400 423615296 446290976 466489490 478345024 485819165 500153680 529519120 536076320 557863720 597931280 606436337 625192100 661898900 670095400 697329650 725222836 746383184 747414100 769467200 777310664 801351200 814644800 892581952 906528545 932978980 971638330 1000307360 1059038240 1072152640 1115727440 1166223725 1195862560 1212872674 1250384200 1323797800 1340190800 1352819521 1394659300 1450445672 1492766368 1494828200 1554621328 1602702400 1813057090 1865957960 1943276660 2000614720 2118076480 2231454880 2332447450 2391725120 2425745348 2429095825 2500768400 2647595600 2680381600 2705639042 2789318600 2900891344 2985532736 2989656400 3032181685 3109242656 3626114180 3731915920 3886553320 4462909760 4532642725 4664894900 4851490696 4858191650 5001536800 5295191200 5360763200 5411278084 5578637200 5801782688 5979312800 6064363370 6218485312 6764097605 7252228360 7463831840 7773106640 9065285450 9329789800 9702981392 9716383300 10003073600 10590382400 10822556168 11157274400 11603565376 11958625600 12128726740 13528195210 14504456720 14927663680 15160908425 15546213280 17586653773 18130570900 18659579600 19405962784 19432766600 21645112336 22314548800 24257453480 27056390420 29008913440 30321816850 31092426560 33820488025 35173307546 36261141800 37319159200 38811925568 38865533200 43290224672 48514906960 54112780840 58017826880 60643633700 67640976050 70346615092 72522283600 74638318400 77731066400 86580449344 87933268865 97029813920 108225561680 121287267400 135281952100 140693230184 145044567200 155462132800 175866537730 194059627840 216451123360 242574534800 270563904200 281386460368 290089134400 351733075460 432902246720 439666344325 485149069600 541127808400 562772920736 703466150920 879332688650 970298139200 1082255616800 1125545841472 1406932301840 1758665377300 2164511233600 2813864603680 3517330754600 5627729207360 7034661509200 14069323018400 28138646036800
• Sum of all divisors σ(n): 78391169831520
• Sum of proper divisors (its aliquot sum) s(n): 50252523794720
• 28138646036800 is an abundant number, because the sum of its proper divisors (50252523794720) is greater than itself. Its abundance is 22113877757920

Bases of 28138646036800

• Binary: 110011001011110001010000000000110000101000000₂
• Hexadecimal: 0x19978A006140
• Base-36: 9Z2PRBY9S

Squares and roots of 28138646036800

• 28138646036800 squared (28138646036800²) is 791783400784320346954240000
• 28138646036800 cubed (28138646036800³) is 22279712852483741742405526326956032000000
• The square root of 28138646036800 is 5304587.2635672609
• The cube root of 28138646036800 is 30415.9275797959

Scales and comparisons

• 28,138,646,036,800 seconds is equal to 894,721 years, 47 weeks, 13 hours, 46 minutes, 40 seconds.
• To count from 1 to 28,138,646,036,800 would take you about two million, two hundred thirty-six thousand, eight hundred four 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 28138646036800 cubic inches would be around 2534.7 feet tall.

Recreational maths with 28138646036800

• 28138646036800 backwards is 00863064683182
• The number of decimal digits it has is: 14
• The sum of 28138646036800's digits is 55
• More coming soon!