81330680099438088

Names of 81330680099438088

• Cardinal: 81330680099438088 can be written as Eighty-one quadrillion, three hundred thirty trillion, six hundred eighty billion, ninety-nine million, four hundred thirty-eight thousand and eighty-eight.

Scientific notation

• Scientific notation: 8.1330680099438088 × 10¹⁶

Factors of 81330680099438088

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 817176

Divisors of 81330680099438088

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 33 44 47 66 88 94 132 141 188 264 282 376 421 517 564 842 1034 1128 1263 1551 1684 2068 2526 3102 3368 4136 4631 5052 6204 9262 10104 12408 13893 18524 19531 19787 27786 37048 39062 39574 55572 58593 59361 78124 79148 111144 117186 118722 156248 158296 214841 217657 234372 237444 429682 435314 468744 474888 644523 652971 797161 859364 870628 917957 1289046 1305942 1594322 1718728 1741256 1835914 2391483 2578092 2611884 2753871 3188644 3671828 4782966 5156184 5223768 5507742 6377288 7343656 8222551 8768771 9565932 10097527 11015484 16445102 17537542 19131864 20195054 22030968 24667653 26306313 30292581 32890204 35075084 37466567 40390108 49335306 52612626 60585162 65780408 70150168 74933134 80780216 90448061 98670612 105225252 112399701 121170324 149866268 180896122 197341224 210450504 224799402 242340648 271344183 299732536 335604781 361792244 386459897 412132237 449598804 542688366 671209562 723584488 772919794 824264474 899197608 1006814343 1085376732 1159379691 1236396711 1342419124 1545839588 1648528948 2013628686 2170753464 2318759382 2472793422 2684838248 3091679176 3297057896 3691652591 4027257372 4251058867 4637518764 4945586844 7383305182 8054514744 8502117734 9275037528 9891173688 11074957773 12753176601 14766610364 15569351491 15773424707 17004235468 22149915546 25506353202 29533220728 31138702982 31546849414 34008470936 44299831092 46708054473 47320274121 51012706404 62277405964 63093698828 88599662184 93416108946 94640548242 102025412808 124554811928 126187397656 171262866401 173507671777 186832217892 189281096484 342525732802 347015343554 373664435784 378562192968 513788599203 520523015331 685051465604 694030687108 731759520077 1027577198406 1041046030662 1370102931208 1388061374216 1463519040154 2055154396812 2082092061324 2195278560231 2927038080308 4110308793624 4164184122648 4390557120462 5854076160616 6554696977711 8049354720847 8781114240924 13109393955422 16098709441694 17562228481848 19664090933133 24148064162541 26218787910844 32197418883388 39328181866266 48296128325082 52437575821688 64394837766776 72101666754821 78656363732532 96592256650164 144203333509642 157312727465064 193184513300328 216305000264463 288406667019284 308070757952417 432610000528926 576813334038568 616141515904834 865220001057852 924212273857251 1232283031809668 1730440002115704 1848424547714502 2464566063619336 3388778337476587 3696849095429004 6777556674953174 7393698190858008 10166335012429761 13555113349906348 20332670024859522 27110226699812696 40665340049719044 81330680099438088
• Sum of all divisors σ(n): 227080315249274880
• Sum of proper divisors (its aliquot sum) s(n): 145749635149836792
• 81330680099438088 is an abundant number, because the sum of its proper divisors (145749635149836792) is greater than itself. Its abundance is 64418955050398704

Bases of 81330680099438088

• Binary: 100100000111100011101001010011000101010101111111000001000₂
• Hexadecimal: 0x120F1D298AAFE08
• Base-36: M8TBIMZ9UKO

Squares and roots of 81330680099438088

• 81330680099438088 squared (81330680099438088²) is 6614679525437134639767613345095744
• 81330680099438088 cubed (81330680099438088³) is 537976384443630542246071068110771759985524960297472
• The square root of 81330680099438088 is 285185343.4162388507
• The cube root of 81330680099438088 is 433262.8657724529

Scales and comparisons

• 81,330,680,099,438,088 seconds is equal to 2,586,064,054 years, 44 weeks, 1 day, 17 hours, 14 minutes, 48 seconds.
• To count from 1 to 81,330,680,099,438,088 would take you about seven billion, seven hundred fifty-eight million, one hundred ninety-two thousand, one hundred sixty-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 81330680099438088 cubic inches would be around 36105.2 feet tall.

Recreational maths with 81330680099438088

• 81330680099438088 backwards is 88083499008603318
• The number of decimal digits it has is: 17
• The sum of 81330680099438088's digits is 78
• More coming soon!