138909186315
138,909,186,315 is an odd composite number composed of three prime numbers multiplied together.
138909186315 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.
Prime factorization of 138909186315:
32 × 5 × 3086870807
(3 × 3 × 5 × 3086870807)See below for interesting mathematical facts about the number 138909186315 from the Numbermatics database.
Names of 138909186315
- Cardinal: 138909186315 can be written as One hundred thirty-eight billion, nine hundred nine million, one hundred eighty-six thousand, three hundred fifteen.
Scientific notation
- Scientific notation: 1.38909186315 × 1011
Factors of 138909186315
- Number of distinct prime factors ω(n): 3
- Total number of prime factors Ω(n): 4
- Sum of prime factors: 3086870815
Divisors of 138909186315
- Number of divisors d(n): 12
- Complete list of divisors:
- Sum of all divisors σ(n): 240775923024
- Sum of proper divisors (its aliquot sum) s(n): 101866736709
- 138909186315 is a deficient number, because the sum of its proper divisors (101866736709) is less than itself. Its deficiency is 37042449606
Bases of 138909186315
- Binary: 100000010101111010000111111001000010112
- Hexadecimal: 0x2057A1F90B
- Base-36: 1RTAXY4R
Squares and roots of 138909186315
- 138909186315 squared (1389091863152) is 19295762042695383279225
- 138909186315 cubed (1389091863153) is 2680358604678677980724201193805875
-
The
square root of 138909186315 is 372705.2271098435 -
The
cube root of 138909186315 is 5178.9731062569
Scales and comparisons
How big is 138909186315?- 138,909,186,315 seconds is equal to 4,416 years, 45 weeks, 6 days, 5 hours, 5 minutes, 15 seconds.
-
To count from 1 to 138,909,186,315 would take you about eight thousand, eight hundred thirty-three 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 138909186315 cubic inches would be around 431.6 feet tall.
Recreational maths with 138909186315
- 138909186315 backwards is 513681909831
- The number of decimal digits it has is: 12
- The sum of 138909186315's digits is 54
- More coming soon!
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