138008006478
138,008,006,478 is an even composite number composed of four prime numbers multiplied together.
138008006478 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.
Prime factorization of 138008006478:
2 × 32 × 83 × 92374837
(2 × 3 × 3 × 83 × 92374837)See below for interesting mathematical facts about the number 138008006478 from the Numbermatics database.
Names of 138008006478
- Cardinal: 138008006478 can be written as One hundred thirty-eight billion, eight million, six thousand, four hundred seventy-eight.
Scientific notation
- Scientific notation: 1.38008006478 × 1011
Factors of 138008006478
Divisors of 138008006478
- Number of divisors d(n): 24
- Complete list of divisors:
- Sum of all divisors σ(n): 302619969288
- Sum of proper divisors (its aliquot sum) s(n): 164611962810
- 138008006478 is an abundant number, because the sum of its proper divisors (164611962810) is greater than itself. Its abundance is 26603956332
Bases of 138008006478
- Binary: 100000001000011110101100001111010011102
- Hexadecimal: 0x2021EB0F4E
- Base-36: 1REEEJBI
Squares and roots of 138008006478
- 138008006478 squared (1380080064782) is 19046209852031689964484
- 138008006478 cubed (1380080064783) is 2628529452640536890079795461927352
-
The
square root of 138008006478 is 371494.2886209691 -
The
cube root of 138008006478 is 5167.7491892475
Scales and comparisons
How big is 138008006478?- 138,008,006,478 seconds is equal to 4,388 years, 11 weeks, 5 days, 21 hours, 21 minutes, 18 seconds.
-
To count from 1 to 138,008,006,478 would take you about eight thousand, seven hundred seventy-six 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 138008006478 cubic inches would be around 430.6 feet tall.
Recreational maths with 138008006478
- 138008006478 backwards is 874600800831
- The number of decimal digits it has is: 12
- The sum of 138008006478's digits is 45
- More coming soon!
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