81427918424
81,427,918,424 is an even composite number composed of six prime numbers multiplied together.
81427918424 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred twenty-eight divisors.
Prime factorization of 81427918424:
23 × 29 × 37 × 113 × 127 × 661
(2 × 2 × 2 × 29 × 37 × 113 × 127 × 661)See below for interesting mathematical facts about the number 81427918424 from the Numbermatics database.
Names of 81427918424
- Cardinal: 81427918424 can be written as Eighty-one billion, four hundred twenty-seven million, nine hundred eighteen thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 8.1427918424 × 1010
Factors of 81427918424
Divisors of 81427918424
- Number of divisors d(n): 128
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Complete list of divisors:
1 2 4 8 29 37 58 74 113 116 127 148 226 232 254 296 452 508 661 904 1016 1073 1322 2146 2644 3277 3683 4181 4292 4699 5288 6554 7366 8362 8584 9398 13108 14351 14732 16724 18796 19169 24457 26216 28702 29464 33448 37592 38338 48914 57404 74693 76676 83947 97828 114808 121249 136271 149386 153352 167894 195656 242498 272542 298772 335788 416179 484996 530987 545084 597544 671576 709253 832358 969992 1061974 1090168 1418506 1664716 2123948 2166097 2434463 2763641 2837012 3106039 3329432 4247896 4332194 4868926 5527282 5674024 6212078 8664388 9486011 9737852 11054564 12424156 15398623 17328776 18972022 19475704 22109128 24848312 30797246 37944044 61594492 75888088 80145589 90075131 123188984 160291178 180150262 275094319 320582356 350982407 360300524 550188638 641164712 701964814 720601048 1100377276 1403929628 2200754552 2807859256 10178489803 20356979606 40713959212 81427918424
- Sum of all divisors σ(n): 165184358400
- Sum of proper divisors (its aliquot sum) s(n): 83756439976
- 81427918424 is an abundant number, because the sum of its proper divisors (83756439976) is greater than itself. Its abundance is 2328521552
Bases of 81427918424
- Binary: 10010111101010111101101101110010110002
- Hexadecimal: 0x12F57B6E58
- Base-36: 11EO2VYW
Squares and roots of 81427918424
- 81427918424 squared (814279184242) is 6630505898865598643776
- 81427918424 cubed (814279184243) is 539908293442678760505317163329024
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The
square root of 81427918424 is 285355.7751719773 -
The
cube root of 81427918424 is 4334.3546556813
Scales and comparisons
How big is 81427918424?- 81,427,918,424 seconds is equal to 2,589 years, 8 weeks, 18 hours, 13 minutes, 44 seconds.
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To count from 1 to 81,427,918,424 would take you about five thousand, one hundred seventy-eight 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 81427918424 cubic inches would be around 361.2 feet tall.
Recreational maths with 81427918424
- 81427918424 backwards is 42481972418
- The number of decimal digits it has is: 11
- The sum of 81427918424's digits is 50
- More coming soon!
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The information we have on file for 81427918424 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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