138481938
138,481,938 is an even composite number composed of five prime numbers multiplied together.
138481938 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 138481938:
2 × 32 × 72 × 197 × 797
(2 × 3 × 3 × 7 × 7 × 197 × 797)See below for interesting mathematical facts about the number 138481938 from the Numbermatics database.
Names of 138481938
- Cardinal: 138481938 can be written as One hundred thirty-eight million, four hundred eighty-one thousand, nine hundred thirty-eight.
Scientific notation
- Scientific notation: 1.38481938 × 108
Factors of 138481938
Divisors of 138481938
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 197 294 394 441 591 797 882 1182 1379 1594 1773 2391 2758 3546 4137 4782 5579 7173 8274 9653 11158 12411 14346 16737 19306 24822 28959 33474 39053 50211 57918 78106 86877 100422 117159 157009 173754 234318 314018 351477 471027 702954 942054 1099063 1413081 2198126 2826162 3297189 6594378 7693441 9891567 15386882 19783134 23080323 46160646 69240969 138481938
- Sum of all divisors σ(n): 351242892
- Sum of proper divisors (its aliquot sum) s(n): 212760954
- 138481938 is an abundant number, because the sum of its proper divisors (212760954) is greater than itself. Its abundance is 74279016
Bases of 138481938
- Binary: 10000100000100010001000100102
- Hexadecimal: 0x8411112
- Base-36: 2AG5CI
Squares and roots of 138481938
- 138481938 squared (1384819382) is 19177247152235844
- 138481938 cubed (1384819383) is 2655702351146600710185672
-
The
square root of 138481938 is 11767.8348900721 -
The
cube root of 138481938 is 517.3657931055
Scales and comparisons
How big is 138481938?- 138,481,938 seconds is equal to 4 years, 20 weeks, 6 days, 19 hours, 12 minutes, 18 seconds.
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To count from 1 to 138,481,938 would take you about six 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 138481938 cubic inches would be around 43.1 feet tall.
Recreational maths with 138481938
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"Number 138481938 - Facts about the integer". Numbermatics.com. 2024. Web. 26 May 2024.
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Numbermatics. (2024). Number 138481938 - Facts about the integer. Retrieved 26 May 2024, from https://numbermatics.com/n/138481938/
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The information we have on file for 138481938 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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