138721040397
138,721,040,397 is an odd composite number composed of two prime numbers multiplied together.
What does the number 138721040397 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 22 divisors.
138721040397 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of twenty-two divisors.
Prime factorization of 138721040397:
310 × 2349253
(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 2349253)See below for interesting mathematical facts about the number 138721040397 from the Numbermatics database.
Names of 138721040397
- Cardinal: 138721040397 can be written as One hundred thirty-eight billion, seven hundred twenty-one million, forty thousand, three hundred ninety-seven.
Scientific notation
- Scientific notation: 1.38721040397 × 1011
Factors of 138721040397
Divisors of 138721040397
- Number of divisors d(n): 22
- Complete list of divisors:
- Sum of all divisors σ(n): 208080474542
- Sum of proper divisors (its aliquot sum) s(n): 69359434145
- 138721040397 is a deficient number, because the sum of its proper divisors (69359434145) is less than itself. Its deficiency is 69361606252
Bases of 138721040397
- Binary: 100000010011000110101100011000000011012
- Hexadecimal: 0x204C6B180D
- Base-36: 1RQ6XBT9
Squares and roots of 138721040397
- 138721040397 squared (1387210403972) is 19243527048826105917609
- 138721040397 cubed (1387210403973) is 2669482093120968430424838842650773
-
The
square root of 138721040397 is 372452.7357893887 -
The
cube root of 138721040397 is 5176.6338251433
Scales and comparisons
How big is 138721040397?- 138,721,040,397 seconds is equal to 4,410 years, 46 weeks, 5 days, 14 hours, 19 minutes, 57 seconds.
-
To count from 1 to 138,721,040,397 would take you about eight thousand, eight hundred twenty-one 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 138721040397 cubic inches would be around 431.4 feet tall.
Recreational maths with 138721040397
- 138721040397 backwards is 793040127831
- The number of decimal digits it has is: 12
- The sum of 138721040397's digits is 45
- More coming soon!
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The information we have on file for 138721040397 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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