138637730
138,637,730 is an even composite number composed of six prime numbers multiplied together.
138637730 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 138637730:
2 × 5 × 7 × 11 × 401 × 449
See below for interesting mathematical facts about the number 138637730 from the Numbermatics database.
Names of 138637730
- Cardinal: 138637730 can be written as One hundred thirty-eight million, six hundred thirty-seven thousand, seven hundred thirty.
Scientific notation
- Scientific notation: 1.3863773 × 108
Factors of 138637730
Divisors of 138637730
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 5 7 10 11 14 22 35 55 70 77 110 154 385 401 449 770 802 898 2005 2245 2807 3143 4010 4411 4490 4939 5614 6286 8822 9878 14035 15715 22055 24695 28070 30877 31430 34573 44110 49390 61754 69146 154385 172865 180049 308770 345730 360098 900245 1260343 1800490 1980539 2520686 3961078 6301715 9902695 12603430 13863773 19805390 27727546 69318865 138637730
- Sum of all divisors σ(n): 312595200
- Sum of proper divisors (its aliquot sum) s(n): 173957470
- 138637730 is an abundant number, because the sum of its proper divisors (173957470) is greater than itself. Its abundance is 35319740
Bases of 138637730
- Binary: 10000100001101110001101000102
- Hexadecimal: 0x84371A2
- Base-36: 2AJHK2
Squares and roots of 138637730
- 138637730 squared (1386377302) is 19220420179552900
- 138637730 cubed (1386377303) is 2664675423339406470917000
-
The
square root of 138637730 is 11774.4524288817 -
The
cube root of 138637730 is 517.5597323445
Scales and comparisons
How big is 138637730?- 138,637,730 seconds is equal to 4 years, 21 weeks, 1 day, 14 hours, 28 minutes, 50 seconds.
-
To count from 1 to 138,637,730 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 138637730 cubic inches would be around 43.1 feet tall.
Recreational maths with 138637730
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The information we have on file for 138637730 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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