81221349352104
81,221,349,352,104 is an even composite number composed of six prime numbers multiplied together.
81221349352104 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 81221349352104:
23 × 33 × 13 × 109 × 1117 × 237571
(2 × 2 × 2 × 3 × 3 × 3 × 13 × 109 × 1117 × 237571)See below for interesting mathematical facts about the number 81221349352104 from the Numbermatics database.
Names of 81221349352104
- Cardinal: 81221349352104 can be written as Eighty-one trillion, two hundred twenty-one billion, three hundred forty-nine million, three hundred fifty-two thousand, one hundred four.
Scientific notation
- Scientific notation: 8.1221349352104 × 1013
Factors of 81221349352104
Divisors of 81221349352104
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 109 117 156 216 218 234 312 327 351 436 468 654 702 872 936 981 1117 1308 1404 1417 1962 2234 2616 2808 2834 2943 3351 3924 4251 4468 5668 5886 6702 7848 8502 8936 10053 11336 11772 12753 13404 14521 17004 20106 23544 25506 26808 29042 30159 34008 38259 40212 43563 51012 58084 60318 76518 80424 87126 102024 116168 120636 121753 130689 153036 174252 237571 241272 243506 261378 306072 348504 365259 392067 475142 487012 522756 712713 730518 784134 950284 974024 1045512 1095777 1425426 1461036 1568268 1582789 1900568 2138139 2191554 2850852 2922072 3088423 3136536 3165578 3287331 4276278 4383108 4748367 5701704 6176846 6331156 6414417 6574662 8552556 8766216 9265269 9496734 12353692 12662312 12828834 13149324 14245101 17105112 18530538 18993468 24707384 25657668 25895239 26298648 27795807 28490202 37061076 37986936 42735303 51315336 51790478 55591614 56980404 74122152 77685717 83387421 85470606 103580956 111183228 113960808 155371434 166774842 170941212 207161912 222366456 233057151 265366807 310742868 333549684 336638107 341882424 466114302 530733614 621485736 667099368 673276214 699171453 796100421 932228604 1009914321 1061467228 1346552428 1398342906 1592200842 1864457208 2019828642 2122934456 2388301263 2693104856 2796685812 3029742963 3184401684 3449768491 4039657284 4776602526 5593371624 6059485926 6368803368 6899536982 7164903789 8079314568 9089228889 9553205052 10349305473 12118971852 13799073964 14329807578 18178457778 19106410104 20698610946 24237943704 27598147928 28659615156 28924981963 31047916419 36356915556 41397221892 57319230312 57849963926 62095832838 72713831112 82794443784 86774945889 93143749257 115699927852 124191665676 173549891778 186287498514 231399855704 248383331352 260324837667 347099783556 372574997028 376024765519 520649675334 694199567112 745149994056 752049531038 780974513001 1041299350668 1128074296557 1504099062076 1561949026002 2082598701336 2256148593114 3008198124152 3123898052004 3384222889671 4512297186228 6247796104008 6768445779342 9024594372456 10152668669013 13536891558684 20305337338026 27073783117368 40610674676052 81221349352104
- Sum of all divisors σ(n): 245419478304000
- Sum of proper divisors (its aliquot sum) s(n): 164198128951896
- 81221349352104 is an abundant number, because the sum of its proper divisors (164198128951896) is greater than itself. Its abundance is 82976779599792
Bases of 81221349352104
- Binary: 100100111011110110100011010110100100010101010002
- Hexadecimal: 0x49DED1AD22A8
- Base-36: SSGKMBX60
Squares and roots of 81221349352104
- 81221349352104 squared (812213493521042) is 6596907590576524860569226816
- 81221349352104 cubed (812213493521043) is 535809736057762587179826219388361822820864
-
The
square root of 81221349352104 is 9012288.7965324325 -
The
cube root of 81221349352104 is 43306.8637328207
Scales and comparisons
How big is 81221349352104?- 81,221,349,352,104 seconds is equal to 2,582,587 years, 35 weeks, 19 hours, 8 minutes, 24 seconds.
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To count from 1 to 81,221,349,352,104 would take you about six million, four hundred fifty-six thousand, four hundred sixty-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 81221349352104 cubic inches would be around 3608.9 feet tall.
Recreational maths with 81221349352104
- 81221349352104 backwards is 40125394312218
- The number of decimal digits it has is: 14
- The sum of 81221349352104's digits is 45
- More coming soon!
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