138820492638
138,820,492,638 is an even composite number composed of three prime numbers multiplied together.
138820492638 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.
Prime factorization of 138820492638:
2 × 32 × 7712249591
(2 × 3 × 3 × 7712249591)See below for interesting mathematical facts about the number 138820492638 from the Numbermatics database.
Names of 138820492638
- Cardinal: 138820492638 can be written as One hundred thirty-eight billion, eight hundred twenty million, four hundred ninety-two thousand, six hundred thirty-eight.
Scientific notation
- Scientific notation: 1.38820492638 × 1011
Factors of 138820492638
- Number of distinct prime factors ω(n): 3
- Total number of prime factors Ω(n): 4
- Sum of prime factors: 7712249596
Divisors of 138820492638
- Number of divisors d(n): 12
- Complete list of divisors:
- Sum of all divisors σ(n): 300777734088
- Sum of proper divisors (its aliquot sum) s(n): 161957241450
- 138820492638 is an abundant number, because the sum of its proper divisors (161957241450) is greater than itself. Its abundance is 23136748812
Bases of 138820492638
- Binary: 100000010100100101100010011101010111102
- Hexadecimal: 0x2052589D5E
- Base-36: 1RRU4XNI
Squares and roots of 138820492638
- 138820492638 squared (1388204926382) is 19271129176257012199044
- 138820492638 cubed (1388204926383) is 2675227645938533566373263792638072
-
The
square root of 138820492638 is 372586.2217500803 -
The
cube root of 138820492638 is 5177.8706114585
Scales and comparisons
How big is 138820492638?- 138,820,492,638 seconds is equal to 4,414 years, 3 weeks, 1 day, 15 hours, 57 minutes, 18 seconds.
-
To count from 1 to 138,820,492,638 would take you about eight thousand, eight hundred twenty-eight 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 138820492638 cubic inches would be around 431.5 feet tall.
Recreational maths with 138820492638
- 138820492638 backwards is 836294028831
- The number of decimal digits it has is: 12
- The sum of 138820492638's digits is 54
- More coming soon!
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The information we have on file for 138820492638 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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