138918706720
138,918,706,720 is an even composite number composed of four prime numbers multiplied together.
138918706720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.
Prime factorization of 138918706720:
25 × 5 × 19 × 45696943
(2 × 2 × 2 × 2 × 2 × 5 × 19 × 45696943)See below for interesting mathematical facts about the number 138918706720 from the Numbermatics database.
Names of 138918706720
- Cardinal: 138918706720 can be written as One hundred thirty-eight billion, nine hundred eighteen million, seven hundred six thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3891870672 × 1011
Factors of 138918706720
Divisors of 138918706720
- Number of divisors d(n): 48
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Complete list of divisors:
1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 45696943 91393886 182787772 228484715 365575544 456969430 731151088 868241917 913938860 1462302176 1736483834 1827877720 3472967668 3655755440 4341209585 6945935336 7311510880 8682419170 13891870672 17364838340 27783741344 34729676680 69459353360 138918706720
- Sum of all divisors σ(n): 345468896640
- Sum of proper divisors (its aliquot sum) s(n): 206550189920
- 138918706720 is an abundant number, because the sum of its proper divisors (206550189920) is greater than itself. Its abundance is 67631483200
Bases of 138918706720
- Binary: 100000010110000011001100111110001000002
- Hexadecimal: 0x2058333E20
- Base-36: 1RTGM04G
Squares and roots of 138918706720
- 138918706720 squared (1389187067202) is 19298407076757373158400
- 138918706720 cubed (1389187067203) is 2680909752859230050389369704448000
-
The
square root of 138918706720 is 372717.9989214365 -
The
cube root of 138918706720 is 5179.0914204745
Scales and comparisons
How big is 138918706720?- 138,918,706,720 seconds is equal to 4,417 years, 9 weeks, 4 days, 9 hours, 38 minutes, 40 seconds.
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To count from 1 to 138,918,706,720 would take you about eight thousand, eight hundred thirty-four 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 138918706720 cubic inches would be around 431.6 feet tall.
Recreational maths with 138918706720
- 138918706720 backwards is 027607819831
- The number of decimal digits it has is: 12
- The sum of 138918706720's digits is 52
- More coming soon!
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The information we have on file for 138918706720 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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