81378108
81,378,108 is an even composite number composed of five prime numbers multiplied together.
What does the number 81378108 look like?
This visualization shows the relationship between its 5 prime factors (large circles) and 120 divisors.
81378108 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 81378108:
22 × 34 × 7 × 53 × 677
(2 × 2 × 3 × 3 × 3 × 3 × 7 × 53 × 677)See below for interesting mathematical facts about the number 81378108 from the Numbermatics database.
Names of 81378108
- Cardinal: 81378108 can be written as Eighty-one million, three hundred seventy-eight thousand, one hundred eight.
Scientific notation
- Scientific notation: 8.1378108 × 107
Factors of 81378108
Divisors of 81378108
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 53 54 63 81 84 106 108 126 159 162 189 212 252 318 324 371 378 477 567 636 677 742 756 954 1113 1134 1354 1431 1484 1908 2031 2226 2268 2708 2862 3339 4062 4293 4452 4739 5724 6093 6678 8124 8586 9478 10017 12186 13356 14217 17172 18279 18956 20034 24372 28434 30051 35881 36558 40068 42651 54837 56868 60102 71762 73116 85302 107643 109674 120204 127953 143524 170604 215286 219348 251167 255906 322929 383859 430572 502334 511812 645858 753501 767718 968787 1004668 1291716 1507002 1535436 1937574 2260503 2906361 3014004 3875148 4521006 5812722 6781509 9042012 11625444 13563018 20344527 27126036 40689054 81378108
- Sum of all divisors σ(n): 248082912
- Sum of proper divisors (its aliquot sum) s(n): 166704804
- 81378108 is an abundant number, because the sum of its proper divisors (166704804) is greater than itself. Its abundance is 85326696
Bases of 81378108
- Binary: 1001101100110111011001111002
- Hexadecimal: 0x4D9BB3C
- Base-36: 1CG7R0
Squares and roots of 81378108
- 81378108 squared (813781082) is 6622396461659664
- 81378108 cubed (813781083) is 538918094475757996235712
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The
square root of 81378108 is 9020.9815430471 -
The
cube root of 81378108 is 433.3470683351
Scales and comparisons
How big is 81378108?- 81,378,108 seconds is equal to 2 years, 30 weeks, 3 days, 21 hours, 1 minute, 48 seconds.
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To count from 1 to 81,378,108 would take you about three 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 81378108 cubic inches would be around 36.1 feet tall.
Recreational maths with 81378108
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The information we have on file for 81378108 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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