138513990
138,513,990 is an even composite number composed of six prime numbers multiplied together.
What does the number 138513990 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 64 divisors.
138513990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138513990:
2 × 3 × 5 × 19 × 41 × 5927
See below for interesting mathematical facts about the number 138513990 from the Numbermatics database.
Names of 138513990
- Cardinal: 138513990 can be written as One hundred thirty-eight million, five hundred thirteen thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.3851399 × 108
Factors of 138513990
Divisors of 138513990
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 5 6 10 15 19 30 38 41 57 82 95 114 123 190 205 246 285 410 570 615 779 1230 1558 2337 3895 4674 5927 7790 11685 11854 17781 23370 29635 35562 59270 88905 112613 177810 225226 243007 337839 486014 563065 675678 729021 1126130 1215035 1458042 1689195 2430070 3378390 3645105 4617133 7290210 9234266 13851399 23085665 27702798 46171330 69256995 138513990
- Sum of all divisors σ(n): 358525440
- Sum of proper divisors (its aliquot sum) s(n): 220011450
- 138513990 is an abundant number, because the sum of its proper divisors (220011450) is greater than itself. Its abundance is 81497460
Bases of 138513990
- Binary: 10000100000110001110010001102
- Hexadecimal: 0x8418E46
- Base-36: 2AGU2U
Squares and roots of 138513990
- 138513990 squared (1385139902) is 19186125425720100
- 138513990 cubed (1385139903) is 2657546785356939674199000
-
The
square root of 138513990 is 11769.1966590757 -
The
cube root of 138513990 is 517.4057052399
Scales and comparisons
How big is 138513990?- 138,513,990 seconds is equal to 4 years, 21 weeks, 4 hours, 6 minutes, 30 seconds.
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To count from 1 to 138,513,990 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 138513990 cubic inches would be around 43.1 feet tall.
Recreational maths with 138513990
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The information we have on file for 138513990 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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