13138785
13,138,785 is an odd composite number composed of five prime numbers multiplied together.
13138785 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 13138785:
32 × 5 × 112 × 19 × 127
(3 × 3 × 5 × 11 × 11 × 19 × 127)See below for interesting mathematical facts about the number 13138785 from the Numbermatics database.
Names of 13138785
- Cardinal: 13138785 can be written as Thirteen million, one hundred thirty-eight thousand, seven hundred eighty-five.
Scientific notation
- Scientific notation: 1.3138785 × 107
Factors of 13138785
Divisors of 13138785
- Number of divisors d(n): 72
-
Complete list of divisors:
1 3 5 9 11 15 19 33 45 55 57 95 99 121 127 165 171 209 285 363 381 495 605 627 635 855 1045 1089 1143 1397 1815 1881 1905 2299 2413 3135 4191 5445 5715 6897 6985 7239 9405 11495 12065 12573 15367 20691 20955 21717 26543 34485 36195 46101 62865 76835 79629 103455 108585 132715 138303 230505 238887 291973 398145 691515 875919 1194435 1459865 2627757 4379595 13138785
- Sum of all divisors σ(n): 26557440
- Sum of proper divisors (its aliquot sum) s(n): 13418655
- 13138785 is an abundant number, because the sum of its proper divisors (13418655) is greater than itself. Its abundance is 279870
Bases of 13138785
- Binary: 1100100001111011011000012
- Hexadecimal: 0xC87B61
- Base-36: 7TLY9
Squares and roots of 13138785
- 13138785 squared (131387852) is 172627671276225
- 13138785 cubed (131387853) is 2268117857948995886625
-
The
square root of 13138785 is 3624.7461980117 -
The
cube root of 13138785 is 235.9672522309
Scales and comparisons
How big is 13138785?- 13,138,785 seconds is equal to 21 weeks, 5 days, 1 hour, 39 minutes, 45 seconds.
-
To count from 1 to 13,138,785 would take you about thirty-two 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 13138785 cubic inches would be around 19.7 feet tall.
Recreational maths with 13138785
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The information we have on file for 13138785 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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