81943270990308
81,943,270,990,308 is an even composite number composed of seven prime numbers multiplied together.
81943270990308 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 81943270990308:
22 × 36 × 7 × 13 × 19 × 31 × 524287
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 7 × 13 × 19 × 31 × 524287)See below for interesting mathematical facts about the number 81943270990308 from the Numbermatics database.
Names of 81943270990308
- Cardinal: 81943270990308 can be written as Eighty-one trillion, nine hundred forty-three billion, two hundred seventy million, nine hundred ninety thousand, three hundred eight.
Scientific notation
- Scientific notation: 8.1943270990308 × 1013
Factors of 81943270990308
Divisors of 81943270990308
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 19 21 26 27 28 31 36 38 39 42 52 54 57 62 63 76 78 81 84 91 93 108 114 117 124 126 133 156 162 171 182 186 189 217 228 234 243 247 252 266 273 279 324 342 351 364 372 378 399 403 434 468 486 494 513 532 546 558 567 589 651 684 702 729 741 756 798 806 819 837 868 972 988 1026 1053 1092 1116 1134 1178 1197 1209 1302 1404 1458 1482 1539 1596 1612 1638 1674 1701 1729 1767 1953 2052 2106 2223 2268 2356 2394 2418 2457 2511 2604 2821 2916 2964 3078 3159 3276 3348 3402 3458 3534 3591 3627 3906 4123 4212 4446 4617 4788 4836 4914 5022 5103 5187 5301 5642 5859 6156 6318 6669 6804 6916 7068 7182 7254 7371 7533 7657 7812 8246 8463 8892 9234 9477 9828 10044 10206 10374 10602 10773 10881 11284 11718 12369 12636 13338 13851 14364 14508 14742 15066 15314 15561 15903 16492 16926 17577 18468 18954 20007 20412 20748 21204 21546 21762 22113 22599 22971 23436 24738 25389 26676 27702 29484 30132 30628 31122 31806 32319 32643 33852 35154 37107 37908 40014 43092 43524 44226 45198 45942 46683 47709 49476 50778 52731 53599 55404 60021 62244 63612 64638 65286 66339 68913 70308 74214 76167 80028 88452 90396 91884 93366 95418 96957 97929 101556 105462 107198 111321 120042 129276 130572 132678 137826 140049 143127 148428 152334 158193 160797 180063 186732 190836 193914 195858 206739 210924 214396 222642 228501 240084 265356 275652 280098 286254 293787 304668 316386 321594 333963 360126 387828 391716 413478 420147 429381 445284 457002 482391 524287 560196 572508 587574 620217 632772 643188 667926 685503 720252 826956 840294 858762 914004 964782 1001889 1048574 1175148 1240434 1260441 1335852 1371006 1447173 1572861 1680588 1717524 1860651 1929564 2003778 2056509 2097148 2480868 2520882 2742012 2894346 3005667 3145722 3670009 3721302 4007556 4113018 4341519 4718583 5041764 5581953 5788692 6011334 6291444 6815731 7340018 7442604 8226036 8683038 9437166 9961453 11010027 11163906 12022668 13024557 13631462 14155749 14680036 16252897 17366076 18874332 19922906 20447193 22020054 22327812 26049114 27262924 28311498 29884359 32505794 33030081 39073671 39845812 40894386 42467247 44040108 47710117 48758691 52098228 56622996 59768718 61341579 65011588 66060162 69730171 78147342 81788772 84934494 89653077 95420234 97517382 99090243 113770279 119537436 122683158 127401741 129498889 132120324 139460342 143130351 146276073 156294684 169868988 179306154 184024737 190840468 195034764 198180486 209190513 211287661 227540558 245366316 254803482 258997778 268959231 278920684 286260702 292552146 297270729 308805043 341310837 358612308 368049474 382205223 388496667 396360972 418381026 422575322 429391053 438828219 455081116 509606964 517995556 537918462 552074211 572521404 585104292 594541458 617610086 627571539 633862983 682621674 736098948 764410446 776993334 806877693 836762052 845150644 858782106 877656438 891812187 906492223 926415129 1023932511 1075836924 1104148422 1165490001 1189082916 1235220172 1255143078 1267725966 1288173159 1316484657 1365243348 1479013627 1528820892 1553986668 1613755386 1656222633 1717564212 1755312876 1783624374 1812984446 1852830258 1882714617 1901588949 2047865022 2161635301 2208296844 2330980002 2420633079 2510286156 2535451932 2576346318 2632969314 2675436561 2719476669 2779245387 2958027254 3071797533 3227510772 3312445266 3496470003 3567248748 3625968892 3705660516 3765429234 3803177898 3864519477 3949453971 4014465559 4095730044 4323270602 4437040881 4661960004 4841266158 4968667899 5152692636 5265938628 5350873122 5438953338 5558490774 5648143851 5704766847 5916054508 6143595066 6484905903 6624890532 6992940006 7261899237 7530858468 7606355796 7729038954 7898907942 8028931118 8158430007 8337736161 8646541204 8874081762 9215392599 9682532316 9937335798 10489410009 10701746244 10877906676 11116981548 11296287702 11409533694 11593558431 11848361913 12043396677 12287190132 12969811806 13311122643 13985880012 14523798474 15458077908 15797815884 16057862236 16316860014 16675472322 16944431553 17114300541 17748163524 18430785198 19454717709 19874671596 20978820018 22592575404 22819067388 23187116862 23696723826 24086793354 24475290021 25013208483 25939623612 26622245286 27646177797 28101258913 29047596948 31468230027 32633720028 33350944644 33888863106 34228601082 34780675293 36130190031 36861570396 38909435418 39933367929 41957640036 46374233724 47393447652 48173586708 48950580042 50026416966 50833294659 51342901623 53244490572 55292355594 56202517826 58364153127 62936460054 67777726212 68457202164 69561350586 72260380062 73425870063 75039625449 77818870836 79866735858 82938533391 84303776739 94404690081 97901160084 100052833932 101666589318 102685803246 108390570093 110584711188 112405035652 116728306254 119800103787 125872920108 139122701172 144520760124 146851740126 150079250898 154028704869 159733471716 165877066782 168607553478 175092459381 188809380162 203333178636 205371606492 216781140186 220277610189 225118876347 233456612508 239600207574 252911330217 293703480252 300158501796 308057409738 325171710279 331754133564 337215106956 350184918762 359400311361 377618760324 433562280372 440555220378 450237752694 479200415148 505822660434 525277378143 616114819476 650343420558 660832830567 700369837524 718800622722 758733990651 881110440756 900475505388 975515130837 1011645320868 1050554756286 1078200934083 1300686841116 1321665661134 1437601245444 1517467981302 1575832134429 1951030261674 2101109512572 2156401868166 2276201971953 2643331322268 2926545392511 3034935962604 3151664268858 3902060523348 4312803736332 4552403943906 5853090785022 6303328537716 6828605915859 9104807887812 11706181570044 13657211831718 20485817747577 27314423663436 40971635495154 81943270990308
- Sum of all divisors σ(n): 287531954339840
- Sum of proper divisors (its aliquot sum) s(n): 205588683349532
- 81943270990308 is an abundant number, because the sum of its proper divisors (205588683349532) is greater than itself. Its abundance is 123645412359224
Bases of 81943270990308
- Binary: 100101010000110111001111000111100100001111001002
- Hexadecimal: 0x4A86E78F21E4
- Base-36: T1O7VU290
Squares and roots of 81943270990308
- 81943270990308 squared (819432709903082) is 6714699660591052635029934864
- 81943270990308 cubed (819432709903083) is 550224453906341777137073563534390015298112
-
The
square root of 81943270990308 is 9052252.2606425413 -
The
cube root of 81943270990308 is 43434.7939231811
Scales and comparisons
How big is 81943270990308?- 81,943,270,990,308 seconds is equal to 2,605,542 years, 28 weeks, 4 days, 7 hours, 31 minutes, 48 seconds.
-
To count from 1 to 81,943,270,990,308 would take you about six million, five hundred thirteen thousand, eight hundred fifty-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 81943270990308 cubic inches would be around 3619.6 feet tall.
Recreational maths with 81943270990308
- 81943270990308 backwards is 80309907234918
- 81943270990308 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 81943270990308's digits is 63
- More coming soon!
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