138108491638
138,108,491,638 is an even composite number composed of four prime numbers multiplied together.
What does the number 138108491638 look like?
This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.
138108491638 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.
Prime factorization of 138108491638:
2 × 13 × 109 × 48732707
See below for interesting mathematical facts about the number 138108491638 from the Numbermatics database.
Names of 138108491638
- Cardinal: 138108491638 can be written as One hundred thirty-eight billion, one hundred eight million, four hundred ninety-one thousand, six hundred thirty-eight.
Scientific notation
- Scientific notation: 1.38108491638 × 1011
Factors of 138108491638
Divisors of 138108491638
- Number of divisors d(n): 16
- Complete list of divisors:
- Sum of all divisors σ(n): 225145110960
- Sum of proper divisors (its aliquot sum) s(n): 87036619322
- 138108491638 is a deficient number, because the sum of its proper divisors (87036619322) is less than itself. Its deficiency is 51071872316
Bases of 138108491638
- Binary: 100000001001111110100001010111011101102
- Hexadecimal: 0x2027E85776
- Base-36: 1RG28A5Y
Squares and roots of 138108491638
- 138108491638 squared (1381084916382) is 19073955462523515923044
- 138108491638 cubed (1381084916383) is 2634275218499513421236082125506072
-
The
square root of 138108491638 is 371629.5085673365 -
The
cube root of 138108491638 is 5169.0031167953
Scales and comparisons
How big is 138108491638?- 138,108,491,638 seconds is equal to 4,391 years, 21 weeks, 6 days, 21 hours, 53 minutes, 58 seconds.
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To count from 1 to 138,108,491,638 would take you about eight thousand, seven hundred eighty-two 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 138108491638 cubic inches would be around 430.8 feet tall.
Recreational maths with 138108491638
- 138108491638 backwards is 836194801831
- The number of decimal digits it has is: 12
- The sum of 138108491638's digits is 52
- More coming soon!
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The information we have on file for 138108491638 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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