840221138262254456

Names of 840221138262254456

• Cardinal: 840221138262254456 can be written as Eight hundred forty quadrillion, two hundred twenty-one trillion, one hundred thirty-eight billion, two hundred sixty-two million, two hundred fifty-four thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 8.40221138262254456 × 10¹⁷

Factors of 840221138262254456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 866

Divisors of 840221138262254456

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 31 61 62 89 122 124 178 244 248 356 488 683 712 961 1366 1891 1922 2732 2759 3721 3782 3844 5429 5464 5518 7442 7564 7688 7921 10858 11036 14884 15128 15842 21173 21716 22072 29768 31684 41663 42346 43432 58621 60787 63368 83326 84692 85529 115351 117242 121574 166652 168299 169384 171058 226981 230702 234484 243148 245551 331169 333304 336598 342116 453962 461404 468968 483181 486296 491102 656363 662338 673196 684232 704969 907924 922808 966362 982204 1291553 1312726 1324676 1346392 1409938 1815848 1884397 1932724 1964408 2541443 2583106 2625452 2649352 2819876 3575881 3708007 3768794 3865448 5082886 5166212 5217269 5250904 5410043 5639752 7036411 7151762 7416014 7537588 7612081 10165772 10266239 10332424 10434538 10820086 14072822 14303524 14832028 14978611 15075176 15224162 20201309 20331544 20532478 20869076 21640172 21854039 28145644 28607048 29474041 29664056 29957222 30448324 40038143 40402618 41064956 41738152 43003109 43280344 43708078 56291288 58416307 58948082 59914444 60896648 78784733 80076286 80805236 82129912 86006218 87416156 114948217 116832614 117896164 119828888 155028023 157569466 160152572 161610472 167711333 172012436 174832312 218128741 226188427 229896434 233665228 235792328 310056046 315138932 318253409 320305144 330012623 335422666 344024872 436257482 452376854 459792868 464336941 467330456 481493827 620112092 626240579 630277864 636506818 660025246 670845332 677475209 872514964 904753708 913695271 919585736 928673882 962987654 1240224184 1252481158 1273013636 1320050492 1333096379 1341690664 1354950418 1745029928 1797916501 1809507416 1827390542 1857347764 1925975308 2442326723 2504962316 2546027272 2623189649 2640100984 2666192758 2709900836 3563394727 3595833002 3654781084 3714695528 3851950616 4805868713 4884653446 5009924632 5199051323 5246379298 5332385516 5419801672 7011841237 7126789454 7191666004 7309562168 9611737426 9769306892 10230391313 10398102646 10492758596 10664771032 13797494047 14023682474 14253578908 14383332008 14926308637 19223474852 19413457949 19538613784 20130770003 20460782626 20796205292 20985517192 27594988094 28047364948 28324553401 28507157816 29371123447 29852617274 38446949704 38826915898 40261540006 40921565252 41325987749 41592410584 55189976188 55735411531 56094729896 56649106802 58742246894 59705234548 77653831796 80523080012 81318879119 81843130504 82651975498 110379952376 111470823062 113298213604 117484493788 119410469096 148981930103 155307663592 160014568589 161046160024 162637758238 165303950996 217367078347 222941646124 226596427208 234968987576 297963860206 317142130703 320029137178 325275516476 330607901992 427722315457 434734156694 445883292248 462715567747 595927720412 624053870093 634284261406 640058274356 650551032952 855444630914 869468313388 910504826857 925431135494 1191855440824 1227976970183 1248107740186 1268568522812 1280116548712 1710889261828 1727797757461 1738936626776 1791638530267 1821009653714 1850862270988 2455953940366 2496215480372 2520885252689 2537137045624 3421778523656 3455595514922 3583277060534 3642019307428 3701724541976 4911907880732 4960451626259 4992430960744 5041770505378 6911191029844 7166554121068 7284038614856 9823815761464 9920903252518 10083541010756 13259391779167 13822382059688 14333108242136 19345669972883 19841806505036 20167082021512 26518783558334 28225649632567 38067286075673 38691339945766 39683613010072 53037567116668 55540794438277 56451299265134 76134572151346 77382679891532 106075134233336 109289950346287 111081588876554 112902598530268 152269144302692 153774000414029 154765359783064 218579900692574 222163177753108 225805197060536 304538288605384 307548000828058 437159801385148 444326355506216 615096001656116 874319602770296 1180085868345863 1230192003312232 1721764627586587 2360171736691726 3387988460734897 3443529255173174 4720343473383452 6775976921469794 6887058510346348 9440686946766904 13551953842939588 13774117020692696 27103907685879176 105027642282781807 210055284565563614 420110569131127228 840221138262254456
• Sum of all divisors σ(n): 1676262444564369600
• Sum of proper divisors (its aliquot sum) s(n): 836041306302115144
• 840221138262254456 is a deficient number, because the sum of its proper divisors (836041306302115144) is less than itself. Its deficiency is 4179831960139312

Bases of 840221138262254456

• Binary: 101110101001000100001010110001101110111001010110001101111000₂
• Hexadecimal: 0xBA910AC6EE56378
• Base-36: 6DT5JA8EFKHK

Squares and roots of 840221138262254456

• 840221138262254456 squared (840221138262254456²) is 705971561182718519000559255691855936
• 840221138262254456 cubed (840221138262254456³) is 593172228717724567697769082255461503175207750126050816
• The square root of 840221138262254456 is 916635771.8648418839
• The cube root of 840221138262254456 is 943621.5874214277

Scales and comparisons

• 840,221,138,262,254,456 seconds is equal to 26,716,433,222 years, 6 weeks, 4 hours, 56 seconds.
• To count from 1 to 840,221,138,262,254,456 would take you about eighty billion, one hundred forty-nine million, two hundred ninety-nine thousand, six hundred sixty-six 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 840221138262254456 cubic inches would be around 78635.1 feet tall.

Recreational maths with 840221138262254456

• 840221138262254456 backwards is 654452262831122048
• The number of decimal digits it has is: 18
• The sum of 840221138262254456's digits is 65
• More coming soon!