81379710027
81,379,710,027 is an odd composite number composed of six prime numbers multiplied together.
81379710027 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 81379710027:
32 × 7 × 112 × 19 × 612 × 151
(3 × 3 × 7 × 11 × 11 × 19 × 61 × 61 × 151)See below for interesting mathematical facts about the number 81379710027 from the Numbermatics database.
Names of 81379710027
- Cardinal: 81379710027 can be written as Eighty-one billion, three hundred seventy-nine million, seven hundred ten thousand and twenty-seven.
Scientific notation
- Scientific notation: 8.1379710027 × 1010
Factors of 81379710027
Divisors of 81379710027
- Number of divisors d(n): 216
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Complete list of divisors:
1 3 7 9 11 19 21 33 57 61 63 77 99 121 133 151 171 183 209 231 363 399 427 453 549 627 671 693 847 1057 1089 1159 1197 1281 1359 1463 1661 1881 2013 2299 2541 2869 3171 3477 3721 3843 4389 4697 4983 6039 6897 7381 7623 8113 8607 9211 9513 10431 11163 11627 12749 13167 14091 14949 16093 18271 20083 20691 22143 24339 25821 26047 27633 31559 33489 34881 38247 40931 42273 48279 51667 54813 60249 64477 66429 70699 73017 78141 82899 89243 94677 101321 104643 114741 122793 127897 140239 144837 155001 164439 175009 180747 193431 212097 220913 234423 267729 284031 286517 303963 347149 368379 383691 420717 450241 465003 494893 525027 561871 580293 636291 662739 709247 777689 803187 859551 911889 981673 1041447 1114531 1151073 1225063 1262151 1350723 1484679 1575081 1685613 1925099 1988217 2127741 2333067 2430043 2578653 2945019 3124341 3151687 3343593 3675189 3933097 4052169 4454037 5056839 5443823 5775297 6180581 6383223 6999201 7290129 7801717 8554579 8835057 9455061 10030779 10675549 11025567 11799291 13475693 16331469 17325891 18541743 21176089 21870387 23405151 25663737 28365183 32026647 35397873 40427079 43264067 48994407 55625229 59882053 63528267 67986391 70215453 74728843 76991211 96079941 117431039 121281237 129792201 148232623 179646159 190584801 203959173 224186529 352293117 389376603 444697869 475904737 538938477 611877519 672559587 822017273 1056879351 1291741429 1334093607 1427714211 2466051819 3875224287 4283142633 7398155457 9042190003 11625672861 27126570009 81379710027
- Sum of all divisors σ(n): 159072426240
- Sum of proper divisors (its aliquot sum) s(n): 77692716213
- 81379710027 is a deficient number, because the sum of its proper divisors (77692716213) is less than itself. Its deficiency is 3686993814
Bases of 81379710027
- Binary: 10010111100101001101111010100010010112
- Hexadecimal: 0x12F29BD44B
- Base-36: 11DVDM4R
Squares and roots of 81379710027
- 81379710027 squared (813797100272) is 6622657204078604340729
- 81379710027 cubed (813797100273) is 538949922876139382963389525789683
-
The
square root of 81379710027 is 285271.2919783551 -
The
cube root of 81379710027 is 4333.4991197117
Scales and comparisons
How big is 81379710027?- 81,379,710,027 seconds is equal to 2,587 years, 32 weeks, 2 days, 19 hours, 27 seconds.
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To count from 1 to 81,379,710,027 would take you about five thousand, one hundred seventy-five 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 81379710027 cubic inches would be around 361.1 feet tall.
Recreational maths with 81379710027
- 81379710027 backwards is 72001797318
- The number of decimal digits it has is: 11
- The sum of 81379710027's digits is 45
- More coming soon!
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