388998335991
388,998,335,991 is an odd composite number composed of two prime numbers multiplied together.
What does the number 388998335991 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.
388998335991 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.
Prime factorization of 388998335991:
3 × 129666111997
See below for interesting mathematical facts about the number 388998335991 from the Numbermatics database.
Names of 388998335991
- Cardinal: 388998335991 can be written as Three hundred eighty-eight billion, nine hundred ninety-eight million, three hundred thirty-five thousand, nine hundred ninety-one.
Scientific notation
- Scientific notation: 3.88998335991 × 1011
Factors of 388998335991
- Number of distinct prime factors ω(n): 2
- Total number of prime factors Ω(n): 2
- Sum of prime factors: 129666112000
Divisors of 388998335991
- Number of divisors d(n): 4
- Complete list of divisors:
- Sum of all divisors σ(n): 518664447992
- Sum of proper divisors (its aliquot sum) s(n): 129666112001
- 388998335991 is a deficient number, because the sum of its proper divisors (129666112001) is less than itself. Its deficiency is 259332223990
Bases of 388998335991
- Binary: 1011010100100100001101110001101111101112
- Hexadecimal: 0x5A921B8DF7
- Base-36: 4YPBKD13
Squares and roots of 388998335991
- 388998335991 squared (3889983359912) is 151319705403766925952081
- 388998335991 cubed (3889983359913) is 58863113604713664978560822403647271
-
The
square root of 388998335991 is 623697.3111943003 -
The
cube root of 388998335991 is 7299.8832532215
Scales and comparisons
How big is 388998335991?- 388,998,335,991 seconds is equal to 12,368 years, 49 weeks, 13 hours, 19 minutes, 51 seconds.
-
To count from 1 to 388,998,335,991 would take you about twenty-four thousand, seven hundred thirty-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 388998335991 cubic inches would be around 608.3 feet tall.
Recreational maths with 388998335991
- 388998335991 backwards is 199533899883
- The number of decimal digits it has is: 12
- The sum of 388998335991's digits is 75
- More coming soon!
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