82420128
82,420,128 is an even composite number composed of four prime numbers multiplied together.
82420128 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 82420128:
25 × 32 × 7 × 40883
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 40883)See below for interesting mathematical facts about the number 82420128 from the Numbermatics database.
Names of 82420128
- Cardinal: 82420128 can be written as Eighty-two million, four hundred twenty thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 8.2420128 × 107
Factors of 82420128
Divisors of 82420128
- Number of divisors d(n): 72
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 72 84 96 112 126 144 168 224 252 288 336 504 672 1008 2016 40883 81766 122649 163532 245298 286181 327064 367947 490596 572362 654128 735894 858543 981192 1144724 1308256 1471788 1717086 1962384 2289448 2575629 2943576 3434172 3924768 4578896 5151258 5887152 6868344 9157792 10302516 11774304 13736688 20605032 27473376 41210064 82420128
- Sum of all divisors σ(n): 267871968
- Sum of proper divisors (its aliquot sum) s(n): 185451840
- 82420128 is an abundant number, because the sum of its proper divisors (185451840) is greater than itself. Its abundance is 103031712
Bases of 82420128
- Binary: 1001110100110100001101000002
- Hexadecimal: 0x4E9A1A0
- Base-36: 1D2JS0
Squares and roots of 82420128
- 82420128 squared (824201282) is 6793077499536384
- 82420128 cubed (824201283) is 559886317025708709937152
-
The
square root of 82420128 is 9078.5531886969 -
The
cube root of 82420128 is 435.1888518085
Scales and comparisons
How big is 82420128?- 82,420,128 seconds is equal to 2 years, 32 weeks, 1 day, 22 hours, 28 minutes, 48 seconds.
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To count from 1 to 82,420,128 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 82420128 cubic inches would be around 36.3 feet tall.
Recreational maths with 82420128
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The information we have on file for 82420128 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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