138813938401
138,813,938,401 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 138813938401 look like?
As a prime, it is not composed of any other numbers and has no internal structure.
138813938401 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 138813938401:
138813938401
See below for interesting mathematical facts about the number 138813938401 from the Numbermatics database.
Names of 138813938401
- Cardinal: 138813938401 can be written as One hundred thirty-eight billion, eight hundred thirteen million, nine hundred thirty-eight thousand, four hundred one.
Scientific notation
- Scientific notation: 1.38813938401 × 1011
Factors of 138813938401
- Number of distinct prime factors ω(n): 1
- Total number of prime factors Ω(n): 1
- Sum of prime factors: 138813938401
Divisors of 138813938401
- Number of divisors d(n): 2
- Complete list of divisors:
- Sum of all divisors σ(n): 138813938402
- Sum of proper divisors (its aliquot sum) s(n): 1
- 138813938401 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 138813938400
Bases of 138813938401
- Binary: 100000010100011111010010011010111000012
- Hexadecimal: 0x2051F49AE1
- Base-36: 1RRQ8GDD
Squares and roots of 138813938401
- 138813938401 squared (1388139384012) is 19269309494396622436801
- 138813938401 cubed (1388139384013) is 2674848741184977201604548529495201
-
The
square root of 138813938401 is 372577.4260485999 -
The
cube root of 138813938401 is 5177.7891212679
Scales and comparisons
How big is 138813938401?- 138,813,938,401 seconds is equal to 4,413 years, 44 weeks, 2 days, 19 hours, 20 minutes, 1 second.
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To count from 1 to 138,813,938,401 would take you about eight thousand, eight hundred twenty-seven 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 138813938401 cubic inches would be around 431.5 feet tall.
Recreational maths with 138813938401
- 138813938401 backwards is 104839318831
- The number of decimal digits it has is: 12
- The sum of 138813938401's digits is 49
- More coming soon!
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