18421625924959139947946

Names of 18421625924959139947946

• Cardinal: 18421625924959139947946 can be written as Eighteen sextillion, four hundred twenty-one quintillion, six hundred twenty-five quadrillion, nine hundred twenty-four trillion, nine hundred fifty-nine billion, one hundred thirty-nine million, nine hundred forty-seven thousand, nine hundred forty-six.

Scientific notation

• Scientific notation: 1.8421625924959139947946 × 10²²

Factors of 18421625924959139947946

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 425

Divisors of 18421625924959139947946

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 7 14 19 38 49 98 133 266 343 361 397 686 722 794 931 1862 2527 2779 5054 5558 6517 6859 7543 13034 13718 15086 17689 19453 35378 38906 48013 52801 96026 105602 123823 136171 143317 157609 247646 272342 286634 315218 336091 369607 672182 739214 1003219 1103263 2006438 2206526 2352637 2587249 2723023 2994571 4705274 5174498 5446046 5989142 7022533 7722841 14045066 15445682 19061161 20961997 38122322 41923994 49157731 54059887 56896849 62570773 98315462 108119774 113793698 125141546 133428127 146733979 266856254 293467958 398277943 437995411 796555886 875990822 933996889 1027137853 1081040131 1188844687 1867993778 2054275706 2162080262 2377689374 2787945601 3065967877 5575891202 6131935754 7567280917 8321912809 15134561834 16643825618 19515619207 21461775139 22588049053 24840596881 39031238414 42923550278 45176098106 49681193762 52970966419 58253389663 105941932838 116506779326 158116343371 173884178167 316232686742 347768356334 370796764933 407773727641 429172932007 471971340739 741593529866 815547455282 858345864014 943942681478 1106814403597 1217189247169 2213628807194 2434378494338 3004210524049 3303799385173 6008421048098 6607598770346 7747700825179 8520324730183 8967455474041 9861716961757 15495401650358 17040649460366 17934910948082 19723433923514 21029473668343 23126595696211 42058947336686 46253191392422 62772188318287 69032018732299 125544376636574 138064037464598 147206315678401 161886169873477 170381654006779 187372622273383 294412631356802 323772339746954 340763308013558 374745244546766 439405318228009 483224131126093 878810636456018 966448262252186 1192671578047453 1311608355913681 2385343156094906 2623216711827362 3075837227596063 3382568917882651 3560079823194277 3915101633817529 6151674455192126 6765137835765302 7120159646388554 7830203267635058 8348701046332171 9181258491395767 16697402092664342 18362516982791534 24920558762359939 27405711436722703 49841117524719878 54811422873445406 58440907324325197 64268809439770369 67641516640691263 74386931042533051 116881814648650394 128537618879540738 135283033281382526 148773862085066102 174443911336519573 191839980057058921 348887822673039146 383679960114117842 473490616484838841 520708517297731357 946981232969677682 1041417034595462714 1221107379355637011 1342879860399412447 1413351689808127969 2442214758711274022 2685759720798824894 2826703379616255938 3314434315393871887 3644959621084119499 6628868630787743774 7289919242168238998 9893461828656895783 19786923657313791566 23201040207757103209 25514717347588836493 26853682106354431411 46402080415514206418 51029434695177672986 53707364212708862822 69254232800598270481 138508465601196540962 187975774744481019877 375951549488962039754 484779629604187893367 969559259208375786734 1315830423211367139139 2631660846422734278278 9210812962479569973973 18421625924959139947946
• Sum of all divisors σ(n): 34100297951663779536000
• Sum of proper divisors (its aliquot sum) s(n): 15678672026704639588054
• 18421625924959139947946 is a deficient number, because the sum of its proper divisors (15678672026704639588054) is less than itself. Its deficiency is 2742953898254500359892

Bases of 18421625924959139947946

• Binary: 11111001101010001101101010011010001100101100001100010010100110010110101010₂
• Hexadecimal: 0x3E6A36A68CB0C4A65AA
• Base-36: 2ZZQVL8U5S1S4A2

Squares and roots of 18421625924959139947946

• 18421625924959139947946 squared (18421625924959139947946²) is 339356301719126688436572037743953855589618916
• 18421625924959139947946 cubed (18421625924959139947946³) is 6251494845547320155909456722457159884793891176592831472230216946536
• The square root of 18421625924959139947946 is 135726290470.7821886471
• The cube root of 18421625924959139947946 is 26410461.2681331815
• Being both a perfect square and a perfect cube, 18421625924959139947946 is also a perfect sixth number.

Scales and comparisons

• 18,421,625,924,959,139,947,946 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 18,421,625,924,959,139,947,946 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 18421625924959139947946 cubic inches would be around 2200871.8 feet tall.

Recreational maths with 18421625924959139947946

• 18421625924959139947946 backwards is 64974993195942952612481
• The number of decimal digits it has is: 23
• The sum of 18421625924959139947946's digits is 119
• More coming soon!