13438288891
13,438,288,891 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.
What does the number 13438288891 look like?
As a prime, it is not composed of any other numbers and has no internal structure.
13438288891 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 13438288891:
13438288891
See below for interesting mathematical facts about the number 13438288891 from the Numbermatics database.
Names of 13438288891
- Cardinal: 13438288891 can be written as Thirteen billion, four hundred thirty-eight million, two hundred eighty-eight thousand, eight hundred ninety-one.
Scientific notation
- Scientific notation: 1.3438288891 × 1010
Factors of 13438288891
- Number of distinct prime factors ω(n): 1
- Total number of prime factors Ω(n): 1
- Sum of prime factors: 13438288891
Divisors of 13438288891
- Number of divisors d(n): 2
- Complete list of divisors:
- Sum of all divisors σ(n): 13438288892
- Sum of proper divisors (its aliquot sum) s(n): 1
- 13438288891 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 13438288890
Bases of 13438288891
- Binary: 11001000001111110000000011111110112
- Hexadecimal: 0x320FC03FB
- Base-36: 668T62J
Squares and roots of 13438288891
- 13438288891 squared (134382888912) is 180587608317974009881
- 13438288891 cubed (134382888913) is 2426788450711689332610566531971
-
The
square root of 13438288891 is 115923.6338759271 -
The
cube root of 13438288891 is 2377.4678770375
Scales and comparisons
How big is 13438288891?- 13,438,288,891 seconds is equal to 427 years, 15 weeks, 2 days, 18 hours, 1 minute, 31 seconds.
-
To count from 1 to 13,438,288,891 would take you about eight hundred fifty-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 13438288891 cubic inches would be around 198.1 feet tall.
Recreational maths with 13438288891
- 13438288891 backwards is 19888283431
- The number of decimal digits it has is: 11
- The sum of 13438288891's digits is 55
- More coming soon!
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