13145640729
13,145,640,729 is an odd composite number composed of three prime numbers multiplied together.
What does the number 13145640729 look like?
This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.
13145640729 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.
Prime factorization of 13145640729:
3 × 13 × 337067711
See below for interesting mathematical facts about the number 13145640729 from the Numbermatics database.
Names of 13145640729
- Cardinal: 13145640729 can be written as Thirteen billion, one hundred forty-five million, six hundred forty thousand, seven hundred twenty-nine.
Scientific notation
- Scientific notation: 1.3145640729 × 1010
Factors of 13145640729
Divisors of 13145640729
- Number of divisors d(n): 8
- Complete list of divisors:
- Sum of all divisors σ(n): 18875791872
- Sum of proper divisors (its aliquot sum) s(n): 5730151143
- 13145640729 is a deficient number, because the sum of its proper divisors (5730151143) is less than itself. Its deficiency is 7415489586
Bases of 13145640729
- Binary: 11000011111000101010001111000110012
- Hexadecimal: 0x30F8A8F19
- Base-36: 61EKPAX
Squares and roots of 13145640729
- 13145640729 squared (131456407292) is 172807870175943651441
- 13145640729 cubed (131456407293) is 2271670176476629260391789140489
-
The
square root of 13145640729 is 114654.4405114777 -
The
cube root of 13145640729 is 2360.0828713239
Scales and comparisons
How big is 13145640729?- 13,145,640,729 seconds is equal to 417 years, 51 weeks, 3 days, 14 hours, 52 minutes, 9 seconds.
-
To count from 1 to 13,145,640,729 would take you about eight hundred thirty-five 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 13145640729 cubic inches would be around 196.7 feet tall.
Recreational maths with 13145640729
- 13145640729 backwards is 92704654131
- The number of decimal digits it has is: 11
- The sum of 13145640729's digits is 42
- More coming soon!
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The information we have on file for 13145640729 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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