20396990940
20,396,990,940 is an even composite number composed of five prime numbers multiplied together.
20396990940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 20396990940:
22 × 3 × 5 × 317 × 1072397
(2 × 2 × 3 × 5 × 317 × 1072397)See below for interesting mathematical facts about the number 20396990940 from the Numbermatics database.
Names of 20396990940
- Cardinal: 20396990940 can be written as Twenty billion, three hundred ninety-six million, nine hundred ninety thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.039699094 × 1010
Factors of 20396990940
Divisors of 20396990940
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 317 634 951 1268 1585 1902 3170 3804 4755 6340 9510 19020 1072397 2144794 3217191 4289588 5361985 6434382 10723970 12868764 16085955 21447940 32171910 64343820 339949849 679899698 1019849547 1359799396 1699749245 2039699094 3399498490 4079398188 5099247735 6798996980 10198495470 20396990940
- Sum of all divisors σ(n): 57291790752
- Sum of proper divisors (its aliquot sum) s(n): 36894799812
- 20396990940 is an abundant number, because the sum of its proper divisors (36894799812) is greater than itself. Its abundance is 16497808872
Bases of 20396990940
- Binary: 100101111111100000101100001110111002
- Hexadecimal: 0x4BFC161DC
- Base-36: 9DBUAXO
Squares and roots of 20396990940
- 20396990940 squared (203969909402) is 416037239406442083600
- 20396990940 cubed (203969909403) is 8485907802875810156823922584000
-
The
square root of 20396990940 is 142818.0343654121 -
The
cube root of 20396990940 is 2732.2600640843
Scales and comparisons
How big is 20396990940?- 20,396,990,940 seconds is equal to 648 years, 29 weeks, 1 day, 6 hours, 49 minutes.
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To count from 1 to 20,396,990,940 would take you about one thousand, two hundred ninety-seven 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 20396990940 cubic inches would be around 227.7 feet tall.
Recreational maths with 20396990940
- 20396990940 backwards is 04909969302
- The number of decimal digits it has is: 11
- The sum of 20396990940's digits is 51
- More coming soon!
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