82138128
82,138,128 is an even composite number composed of five prime numbers multiplied together.
82138128 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 82138128:
24 × 3 × 53 × 83 × 389
(2 × 2 × 2 × 2 × 3 × 53 × 83 × 389)See below for interesting mathematical facts about the number 82138128 from the Numbermatics database.
Names of 82138128
- Cardinal: 82138128 can be written as Eighty-two million, one hundred thirty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 8.2138128 × 107
Factors of 82138128
Divisors of 82138128
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 48 53 83 106 159 166 212 249 318 332 389 424 498 636 664 778 848 996 1167 1272 1328 1556 1992 2334 2544 3112 3984 4399 4668 6224 8798 9336 13197 17596 18672 20617 26394 32287 35192 41234 52788 61851 64574 70384 82468 96861 105576 123702 129148 164936 193722 211152 247404 258296 329872 387444 494808 516592 774888 989616 1549776 1711211 3422422 5133633 6844844 10267266 13689688 20534532 27379376 41069064 82138128
- Sum of all divisors σ(n): 219360960
- Sum of proper divisors (its aliquot sum) s(n): 137222832
- 82138128 is an abundant number, because the sum of its proper divisors (137222832) is greater than itself. Its abundance is 55084704
Bases of 82138128
- Binary: 1001110010101010100000100002
- Hexadecimal: 0x4E55410
- Base-36: 1CWI6O
Squares and roots of 82138128
- 82138128 squared (821381282) is 6746672071344384
- 82138128 cubed (821381283) is 554159014170110145073152
-
The
square root of 82138128 is 9063.0087719255 -
The
cube root of 82138128 is 434.6919526025
Scales and comparisons
How big is 82138128?- 82,138,128 seconds is equal to 2 years, 31 weeks, 5 days, 16 hours, 8 minutes, 48 seconds.
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To count from 1 to 82,138,128 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 82138128 cubic inches would be around 36.2 feet tall.
Recreational maths with 82138128
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