13281827985
13,281,827,985 is an odd composite number composed of five prime numbers multiplied together.
13281827985 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 13281827985:
34 × 5 × 61 × 421 × 1277
(3 × 3 × 3 × 3 × 5 × 61 × 421 × 1277)See below for interesting mathematical facts about the number 13281827985 from the Numbermatics database.
Names of 13281827985
- Cardinal: 13281827985 can be written as Thirteen billion, two hundred eighty-one million, eight hundred twenty-seven thousand, nine hundred eighty-five.
Scientific notation
- Scientific notation: 1.3281827985 × 1010
Factors of 13281827985
Divisors of 13281827985
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 5 9 15 27 45 61 81 135 183 305 405 421 549 915 1263 1277 1647 2105 2745 3789 3831 4941 6315 6385 8235 11367 11493 18945 19155 24705 25681 34101 34479 56835 57465 77043 77897 103437 128405 170505 172395 231129 233691 385215 389485 517185 537617 693387 701073 1155645 1168455 1612851 2080161 2103219 2688085 3466935 3505365 4838553 6309657 8064255 10400805 10516095 14515659 24192765 31548285 32794637 43546977 72578295 98383911 163973185 217734885 295151733 491919555 885455199 1475758665 2656365597 4427275995 13281827985
- Sum of all divisors σ(n): 24275691792
- Sum of proper divisors (its aliquot sum) s(n): 10993863807
- 13281827985 is a deficient number, because the sum of its proper divisors (10993863807) is less than itself. Its deficiency is 2287964178
Bases of 13281827985
- Binary: 11000101111010100010011100100100012
- Hexadecimal: 0x317A89C91
- Base-36: 63NNO29
Squares and roots of 13281827985
- 13281827985 squared (132818279852) is 176406954623129160225
- 13281827985 cubed (132818279853) is 2343006826662102008545953896625
-
The
square root of 13281827985 is 115246.8133398923 -
The
cube root of 13281827985 is 2368.2049458363
Scales and comparisons
How big is 13281827985?- 13,281,827,985 seconds is equal to 422 years, 16 weeks, 4 days, 20 hours, 39 minutes, 45 seconds.
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To count from 1 to 13,281,827,985 would take you about eight hundred forty-four 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 13281827985 cubic inches would be around 197.4 feet tall.
Recreational maths with 13281827985
- 13281827985 backwards is 58972818231
- The number of decimal digits it has is: 11
- The sum of 13281827985's digits is 54
- More coming soon!
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