13938561
13,938,561 is an odd composite number composed of five prime numbers multiplied together.
13938561 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 13938561:
34 × 7 × 13 × 31 × 61
(3 × 3 × 3 × 3 × 7 × 13 × 31 × 61)See below for interesting mathematical facts about the number 13938561 from the Numbermatics database.
Names of 13938561
- Cardinal: 13938561 can be written as Thirteen million, nine hundred thirty-eight thousand, five hundred sixty-one.
Scientific notation
- Scientific notation: 1.3938561 × 107
Factors of 13938561
Divisors of 13938561
- Number of divisors d(n): 80
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Complete list of divisors:
1 3 7 9 13 21 27 31 39 61 63 81 91 93 117 183 189 217 273 279 351 403 427 549 567 651 793 819 837 1053 1209 1281 1647 1891 1953 2379 2457 2511 2821 3627 3843 4941 5551 5673 5859 7137 7371 8463 10881 11529 13237 16653 17019 17577 21411 24583 25389 32643 34587 39711 49959 51057 64233 73749 76167 119133 149877 153171 172081 221247 228501 357399 449631 516243 663741 1072197 1548729 1991223 4646187 13938561
- Sum of all divisors σ(n): 26887168
- Sum of proper divisors (its aliquot sum) s(n): 12948607
- 13938561 is a deficient number, because the sum of its proper divisors (12948607) is less than itself. Its deficiency is 989954
Bases of 13938561
- Binary: 1101010010101111100000012
- Hexadecimal: 0xD4AF81
- Base-36: 8AR29
Squares and roots of 13938561
- 13938561 squared (139385612) is 194283482750721
- 13938561 cubed (139385613) is 2708032175613372452481
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The
square root of 13938561 is 3733.4382276931 -
The
cube root of 13938561 is 240.6611457703
Scales and comparisons
How big is 13938561?- 13,938,561 seconds is equal to 23 weeks, 7 hours, 49 minutes, 21 seconds.
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To count from 1 to 13,938,561 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 13938561 cubic inches would be around 20.1 feet tall.
Recreational maths with 13938561
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The information we have on file for 13938561 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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