139355908421
139,355,908,421 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 139355908421 look like?
As a prime, it is not composed of any other numbers and has no internal structure.
139355908421 is a prime number. Like all primes (except two), it is an odd number.
Prime factorization of 139355908421:
139355908421
See below for interesting mathematical facts about the number 139355908421 from the Numbermatics database.
Names of 139355908421
- Cardinal: 139355908421 can be written as One hundred thirty-nine billion, three hundred fifty-five million, nine hundred eight thousand, four hundred twenty-one.
Scientific notation
- Scientific notation: 1.39355908421 × 1011
Factors of 139355908421
- Number of distinct prime factors ω(n): 1
- Total number of prime factors Ω(n): 1
- Sum of prime factors: 139355908421
Divisors of 139355908421
- Number of divisors d(n): 2
- Complete list of divisors:
- Sum of all divisors σ(n): 139355908422
- Sum of proper divisors (its aliquot sum) s(n): 1
- 139355908421 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 139355908420
Bases of 139355908421
- Binary: 100000011100100100001001101001010001012
- Hexadecimal: 0x2072426945
- Base-36: 1S0OWR45
Squares and roots of 139355908421
- 139355908421 squared (1393559084212) is 19420069211842138713241
- 139355908421 cubed (1393559084213) is 2706301386614954731231191576102461
-
The
square root of 139355908421 is 373304.0428672049 -
The
cube root of 139355908421 is 5184.5189024521
Scales and comparisons
How big is 139355908421?- 139,355,908,421 seconds is equal to 4,431 years, 4 weeks, 3 days, 14 hours, 33 minutes, 41 seconds.
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To count from 1 to 139,355,908,421 would take you about eight thousand, eight hundred sixty-two 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 139355908421 cubic inches would be around 432 feet tall.
Recreational maths with 139355908421
- 139355908421 backwards is 124809553931
- The number of decimal digits it has is: 12
- The sum of 139355908421's digits is 50
- More coming soon!
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