138340872
138,340,872 is an even composite number composed of three prime numbers multiplied together.
138340872 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 138340872:
23 × 37 × 7907
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 7907)See below for interesting mathematical facts about the number 138340872 from the Numbermatics database.
Names of 138340872
- Cardinal: 138340872 can be written as One hundred thirty-eight million, three hundred forty thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.38340872 × 108
Factors of 138340872
Divisors of 138340872
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 243 324 486 648 729 972 1458 1944 2187 2916 4374 5832 7907 8748 15814 17496 23721 31628 47442 63256 71163 94884 142326 189768 213489 284652 426978 569304 640467 853956 1280934 1707912 1921401 2561868 3842802 5123736 5764203 7685604 11528406 15371208 17292609 23056812 34585218 46113624 69170436 138340872
- Sum of all divisors σ(n): 389073600
- Sum of proper divisors (its aliquot sum) s(n): 250732728
- 138340872 is an abundant number, because the sum of its proper divisors (250732728) is greater than itself. Its abundance is 112391856
Bases of 138340872
- Binary: 10000011111011101010000010002
- Hexadecimal: 0x83EEA08
- Base-36: 2AD4I0
Squares and roots of 138340872
- 138340872 squared (1383408722) is 19138196865720384
- 138340872 cubed (1383408723) is 2647594842911424830734848
-
The
square root of 138340872 is 11761.8396520273 -
The
cube root of 138340872 is 517.1900601555
Scales and comparisons
How big is 138340872?- 138,340,872 seconds is equal to 4 years, 20 weeks, 5 days, 4 hours, 1 minute, 12 seconds.
-
To count from 1 to 138,340,872 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 138340872 cubic inches would be around 43.1 feet tall.
Recreational maths with 138340872
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The information we have on file for 138340872 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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