813966620904720

Names of 813966620904720

• Cardinal: 813966620904720 can be written as Eight hundred thirteen trillion, nine hundred sixty-six billion, six hundred twenty million, nine hundred four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 8.1396662090472 × 10¹⁴

Factors of 813966620904720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 274

Divisors of 813966620904720

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 90 93 108 120 124 135 144 155 180 186 216 233 240 248 270 279 310 360 372 432 465 466 496 540 558 620 699 720 744 837 930 932 961 1080 1116 1165 1240 1395 1398 1488 1674 1860 1864 1922 2097 2160 2232 2330 2480 2790 2796 2883 3348 3495 3720 3728 3844 4185 4194 4464 4660 4805 5580 5592 5766 6291 6696 6990 7223 7440 7688 8370 8388 8649 9320 9610 10485 11160 11184 11532 12582 13392 13980 14415 14446 15376 16740 16776 17298 18640 19220 20970 21669 22320 23064 25164 25947 27960 28830 28892 29791 31455 33480 33552 34596 36115 38440 41940 43245 43338 46128 50328 51894 54289 55920 57660 57784 59582 62910 65007 66960 69192 72230 76880 83880 86490 86676 89373 100656 103788 108345 108578 115320 115568 119164 125820 129735 130014 138384 144460 148955 162867 167760 172980 173352 178746 195021 207576 216690 217156 223913 230640 238328 251640 259470 260028 268119 271445 288920 297910 325035 325734 345960 346704 357492 390042 415152 433380 434312 446865 447826 476656 488601 503280 518940 520056 536238 542890 577840 595820 650070 651468 671739 691920 714984 780084 804357 814335 866760 868624 893730 895652 975105 977202 1037880 1040112 1072476 1085780 1119565 1191640 1300140 1302936 1340595 1343478 1429968 1465803 1560168 1608714 1628670 1682959 1733520 1787460 1791304 1950210 1954404 2015217 2075760 2144952 2171560 2239130 2383280 2443005 2600280 2605872 2681190 2686956 2931606 3120336 3217428 3257340 3358695 3365918 3574920 3582608 3900420 3908808 4021785 4030434 4289904 4343120 4478260 4886010 5048877 5200560 5362380 5373912 5863212 6045651 6434856 6514680 6717390 6731836 6941303 7149840 7329015 7800840 7817616 8043570 8060868 8414795 8956520 9772020 10076085 10097754 10724760 10747824 11726424 12091302 12649337 12869712 13029360 13434780 13463672 13882606 14658030 15146631 15601680 16087140 16121736 16829590 17913040 19544040 20152170 20195508 20823909 21449520 23452848 24182604 25244385 25298674 26869560 26927344 27765212 29316060 30228255 30293262 32174280 32243472 33659180 34706515 37948011 39088080 40304340 40391016 41647818 45439893 48365208 50488770 50597348 52171729 53739120 55530424 58632120 60456510 60586524 62471727 63246685 64348560 67318360 69413030 75733155 75896022 80608680 80782032 83295636 90879786 96730416 100977540 101194696 104119545 104343458 111060848 113844033 117264240 120913020 121173048 124943454 126493370 134636720 138826060 151466310 151792044 156515187 161217360 166591272 181759572 187415181 189740055 201955080 202389392 208239090 208686916 227199465 227688066 241826040 242346096 249886908 252986740 260858645 277652120 302932620 303584088 312358635 313030374 333182544 341532099 363519144 374830362 379480110 392129447 403910160 416478180 417373832 454398930 455376132 469545561 483652080 499773816 505973480 521717290 555304240 569220165 605865240 607168176 624717270 626060748 683064198 727038288 749660724 758960220 782575935 784258894 832956360 834747664 908797860 910752264 937075905 939091122 999547632 1011946960 1043434580 1138440330 1176388341 1211730480 1249434540 1252121496 1366128396 1408636683 1499321448 1517920440 1565151870 1568517788 1617323599 1665912720 1707660495 1817595720 1821504528 1874151810 1878182244 1960647235 2086869160 2276880660 2347727805 2352776682 2498869080 2504242992 2732256792 2817273366 2998642896 3035840880 3130303740 3137035576 3234647198 3415320990 3529165023 3635191440 3748303620 3756364488 3921294470 4173738320 4553761320 4695455610 4705553364 4851970797 4997738160 5464513584 5634546732 5881941705 6260607480 6274071152 6469294396 6830641980 7043183415 7058330046 7496607240 7512728976 7842588940 8086617995 9107522640 9390911220 9411106728 9703941594 10587495069 11269093464 11763883410 12156012857 12521214960 12938588792 13661283960 14086366830 14116660092 14555912391 14993214480 15685177880 16173235990 17645825115 18781822440 18822213456 19407883188 21174990138 22538186928 23527766820 24259853985 24312025714 25877177584 27322567920 28172733660 28233320184 29111824782 31370355760 32346471980 35291650230 36468038571 37563644880 38815766376 42349980276 43667737173 47055533640 48519707970 48624051428 52937475345 56345467320 56466640368 58223649564 60780064285 64692943960 70583300460 72779561955 72936077142 77631532752 84699960552 87335474346 94111067280 97039415940 97248102856 105874950690 109404115713 112690934640 116447299128 121560128570 129385887920 141166600920 145559123910 145872154284 169399921104 174670948692 182340192855 194078831880 194496205712 211749901380 218338685865 218808231426 232894598256 243120257140 282333201840 291118247820 291744308568 328212347139 349341897384 364680385710 376836398567 388157663760 423499802760 436677371730 437616462852 486240514280 547020578565 582236495640 583488617136 656424694278 698683794768 729360771420 753672797134 846999605520 873354743460 875232925704 972481028560 1094041157130 1130509195701 1164472991280 1312849388556 1458721542840 1507345594268 1641061735695 1746709486920 1750465851408 1884181992835 2188082314260 2261018391402 2625698777112 2917443085680 3014691188536 3282123471390 3391527587103 3493418973840 3768363985670 4376164628520 4522036782804 5251397554224 5652545978505 6029382377072 6564246942780 6783055174206 7536727971340 8752329257040 9044073565608 10174582761309 11305091957010 13128493885560 13566110348412 15073455942680 16957637935515 18088147131216 20349165522618 22610183914020 26256987771120 27132220696824 30146911885360 33915275871030 40698331045236 45220367828040 50872913806545 54264441393648 67830551742060 81396662090472 90440735656080 101745827613090 135661103484120 162793324180944 203491655226180 271322206968240 406983310452360 813966620904720
• Sum of all divisors σ(n): 2909602659225600
• Sum of proper divisors (its aliquot sum) s(n): 2095636038320880
• 813966620904720 is an abundant number, because the sum of its proper divisors (2095636038320880) is greater than itself. Its abundance is 1281669417416160

Bases of 813966620904720

• Binary: 10111001000100110001011111010011000100110100010000₂
• Hexadecimal: 0x2E44C5F4C4D10
• Base-36: 80IZ3Q3AC0

Squares and roots of 813966620904720

• 813966620904720 squared (813966620904720²) is 662541659947048161711318278400
• 813966620904720 cubed (813966620904720³) is 539286796155702861752668567676930880834048000
• The square root of 813966620904720 is 28530100.2610351863
• The cube root of 813966620904720 is 93368.8905966017

Scales and comparisons

• 813,966,620,904,720 seconds is equal to 25,881,620 years, 40 weeks, 4 days, 4 hours, 12 minutes.
• To count from 1 to 813,966,620,904,720 would take you about sixty-four million, seven hundred four thousand and fifty-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 813966620904720 cubic inches would be around 7780.7 feet tall.

Recreational maths with 813966620904720

• 813966620904720 backwards is 027409026669318
• The number of decimal digits it has is: 15
• The sum of 813966620904720's digits is 63
• More coming soon!