81442317307
81,442,317,307 is an odd composite number composed of five prime numbers multiplied together.
81442317307 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 81442317307:
132 × 192 × 37 × 109 × 331
(13 × 13 × 19 × 19 × 37 × 109 × 331)See below for interesting mathematical facts about the number 81442317307 from the Numbermatics database.
Names of 81442317307
- Cardinal: 81442317307 can be written as Eighty-one billion, four hundred forty-two million, three hundred seventeen thousand, three hundred seven.
Scientific notation
- Scientific notation: 8.1442317307 × 1010
Factors of 81442317307
Divisors of 81442317307
- Number of divisors d(n): 72
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Complete list of divisors:
1 13 19 37 109 169 247 331 361 481 703 1417 2071 3211 4033 4303 4693 6253 6289 9139 12247 13357 18421 26923 36079 39349 52429 55939 61009 76627 81757 118807 119491 159211 173641 232693 349999 469027 511537 681577 685501 996151 1062841 1334923 1455913 1553383 2069743 2257333 3025009 4421167 6097351 6649981 8911513 12949963 13024519 17353999 18926869 20193979 25363537 39325117 57475171 115849669 169318747 225601987 246049297 329725981 481907203 747177223 2201143711 4286437753 6264793639 81442317307
- Sum of all divisors σ(n): 96758790480
- Sum of proper divisors (its aliquot sum) s(n): 15316473173
- 81442317307 is a deficient number, because the sum of its proper divisors (15316473173) is less than itself. Its deficiency is 66125844134
Bases of 81442317307
- Binary: 10010111101100101011100100011111110112
- Hexadecimal: 0x12F65723FB
- Base-36: 11EWNI7V
Squares and roots of 81442317307
- 81442317307 squared (814423173072) is 6632851048334071732249
- 81442317307 cubed (814423173073) is 540194759728491063757122202733443
-
The
square root of 81442317307 is 285381.0037598859 -
The
cube root of 81442317307 is 4334.6101216547
Scales and comparisons
How big is 81442317307?- 81,442,317,307 seconds is equal to 2,589 years, 31 weeks, 6 days, 9 hours, 55 minutes, 7 seconds.
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To count from 1 to 81,442,317,307 would take you about five thousand, one hundred seventy-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 81442317307 cubic inches would be around 361.2 feet tall.
Recreational maths with 81442317307
- 81442317307 backwards is 70371324418
- The number of decimal digits it has is: 11
- The sum of 81442317307's digits is 40
- More coming soon!
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The information we have on file for 81442317307 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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