81427437049616
81,427,437,049,616 is an even composite number composed of five prime numbers multiplied together.
81427437049616 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 81427437049616:
24 × 72 × 101 × 773 × 1330313
(2 × 2 × 2 × 2 × 7 × 7 × 101 × 773 × 1330313)See below for interesting mathematical facts about the number 81427437049616 from the Numbermatics database.
Names of 81427437049616
- Cardinal: 81427437049616 can be written as Eighty-one trillion, four hundred twenty-seven billion, four hundred thirty-seven million, forty-nine thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 8.1427437049616 × 1013
Factors of 81427437049616
Divisors of 81427437049616
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 4 7 8 14 16 28 49 56 98 101 112 196 202 392 404 707 773 784 808 1414 1546 1616 2828 3092 4949 5411 5656 6184 9898 10822 11312 12368 19796 21644 37877 39592 43288 75754 78073 79184 86576 151508 156146 303016 312292 546511 606032 624584 1093022 1249168 1330313 2186044 2660626 3825577 4372088 5321252 7651154 8744176 9312191 10642504 15302308 18624382 21285008 30604616 37248764 61209232 65185337 74497528 130370674 134361613 148995056 260741348 268723226 521482696 537446452 940531291 1028331949 1042965392 1074892904 1881062582 2056663898 2149785808 3762125164 4113327796 6583719037 7198323643 7524250328 8226655592 13167438074 14396647286 15048500656 16453311184 26334876148 28793294572 50388265501 52669752296 57586589144 100776531002 103861526849 105339504592 115173178288 201553062004 207723053698 403106124008 415446107396 727030687943 806212248016 830892214792 1454061375886 1661784429584 2908122751772 5089214815601 5816245503544 10178429631202 11632491007088 20356859262404 40713718524808 81427437049616
- Sum of all divisors σ(n): 185580287630424
- Sum of proper divisors (its aliquot sum) s(n): 104152850580808
- 81427437049616 is an abundant number, because the sum of its proper divisors (104152850580808) is greater than itself. Its abundance is 22725413531192
Bases of 81427437049616
- Binary: 100101000001110110011010111010111010111000100002
- Hexadecimal: 0x4A0ECD75D710
- Base-36: SV38XMIA8
Squares and roots of 81427437049616
- 81427437049616 squared (814274370496162) is 6630427504469176430845747456
- 81427437049616 cubed (814274370496163) is 539898718232206373326319615484192877776896
-
The
square root of 81427437049616 is 9023715.2575652563 -
The
cube root of 81427437049616 is 43343.4611458369
Scales and comparisons
How big is 81427437049616?- 81,427,437,049,616 seconds is equal to 2,589,140 years, 32 weeks, 4 days, 1 hour, 46 minutes, 56 seconds.
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To count from 1 to 81,427,437,049,616 would take you about six million, four hundred seventy-two thousand, eight hundred fifty-one 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 81427437049616 cubic inches would be around 3612 feet tall.
Recreational maths with 81427437049616
- 81427437049616 backwards is 61694073472418
- The number of decimal digits it has is: 14
- The sum of 81427437049616's digits is 62
- More coming soon!
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