13891540
13,891,540 is an even composite number composed of five prime numbers multiplied together.
13891540 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13891540:
22 × 5 × 13 × 232 × 101
(2 × 2 × 5 × 13 × 23 × 23 × 101)See below for interesting mathematical facts about the number 13891540 from the Numbermatics database.
Names of 13891540
- Cardinal: 13891540 can be written as Thirteen million, eight hundred ninety-one thousand, five hundred forty.
Scientific notation
- Scientific notation: 1.389154 × 107
Factors of 13891540
Divisors of 13891540
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 4 5 10 13 20 23 26 46 52 65 92 101 115 130 202 230 260 299 404 460 505 529 598 1010 1058 1196 1313 1495 2020 2116 2323 2626 2645 2990 4646 5252 5290 5980 6565 6877 9292 10580 11615 13130 13754 23230 26260 27508 30199 34385 46460 53429 60398 68770 106858 120796 137540 150995 213716 267145 301990 534290 603980 694577 1068580 1389154 2778308 3472885 6945770 13891540
- Sum of all divisors σ(n): 33166728
- Sum of proper divisors (its aliquot sum) s(n): 19275188
- 13891540 is an abundant number, because the sum of its proper divisors (19275188) is greater than itself. Its abundance is 5383648
Bases of 13891540
- Binary: 1101001111110111110101002
- Hexadecimal: 0xD3F7D4
- Base-36: 89QS4
Squares and roots of 13891540
- 13891540 squared (138915402) is 192974883571600
- 13891540 cubed (138915403) is 2680718314130224264000
-
The
square root of 13891540 is 3727.1356294077 -
The
cube root of 13891540 is 240.3902216669
Scales and comparisons
How big is 13891540?- 13,891,540 seconds is equal to 22 weeks, 6 days, 18 hours, 45 minutes, 40 seconds.
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To count from 1 to 13,891,540 would take you about thirty-four weeks!
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 13891540 cubic inches would be around 20 feet tall.
Recreational maths with 13891540
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The information we have on file for 13891540 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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