138138748731
138,138,748,731 is an odd composite number composed of two prime numbers multiplied together.
What does the number 138138748731 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 14 divisors.
138138748731 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of fourteen divisors.
Prime factorization of 138138748731:
36 × 189490739
(3 × 3 × 3 × 3 × 3 × 3 × 189490739)See below for interesting mathematical facts about the number 138138748731 from the Numbermatics database.
Names of 138138748731
- Cardinal: 138138748731 can be written as One hundred thirty-eight billion, one hundred thirty-eight million, seven hundred forty-eight thousand, seven hundred thirty-one.
Scientific notation
- Scientific notation: 1.38138748731 × 1011
Factors of 138138748731
Divisors of 138138748731
- Number of divisors d(n): 14
- Complete list of divisors:
- Sum of all divisors σ(n): 207113378820
- Sum of proper divisors (its aliquot sum) s(n): 68974630089
- 138138748731 is a deficient number, because the sum of its proper divisors (68974630089) is less than itself. Its deficiency is 69164118642
Bases of 138138748731
- Binary: 100000001010011011011000000111001110112
- Hexadecimal: 0x2029B6073B
- Base-36: 1RGK8SOR
Squares and roots of 138138748731
- 138138748731 squared (1381387487312) is 19082313900966354110361
- 138138748731 cubed (1381387487313) is 2636006965171659608536327222701891
-
The
square root of 138138748731 is 371670.2150172919 -
The
cube root of 138138748731 is 5169.3805678511
Scales and comparisons
How big is 138138748731?- 138,138,748,731 seconds is equal to 4,392 years, 20 weeks, 2 hours, 38 minutes, 51 seconds.
-
To count from 1 to 138,138,748,731 would take you about eight thousand, seven hundred eighty-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 138138748731 cubic inches would be around 430.8 feet tall.
Recreational maths with 138138748731
- 138138748731 backwards is 137847831831
- The number of decimal digits it has is: 12
- The sum of 138138748731's digits is 54
- More coming soon!
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The information we have on file for 138138748731 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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