13563996721
13,563,996,721 is an odd composite number composed of two prime numbers multiplied together.
What does the number 13563996721 look like?
This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.
13563996721 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 13563996721:
11 × 1233090611
See below for interesting mathematical facts about the number 13563996721 from the Numbermatics database.
Names of 13563996721
- Cardinal: 13563996721 can be written as Thirteen billion, five hundred sixty-three million, nine hundred ninety-six thousand, seven hundred twenty-one.
Scientific notation
- Scientific notation: 1.3563996721 × 1010
Factors of 13563996721
- Number of distinct prime factors ω(n): 2
- Total number of prime factors Ω(n): 2
- Sum of prime factors: 1233090622
Divisors of 13563996721
- Number of divisors d(n): 4
- Complete list of divisors:
- Sum of all divisors σ(n): 14797087344
- Sum of proper divisors (its aliquot sum) s(n): 1233090623
- 13563996721 is a deficient number, because the sum of its proper divisors (1233090623) is less than itself. Its deficiency is 12330906098
Bases of 13563996721
- Binary: 11001010000111101000101010001100012
- Hexadecimal: 0x3287A2A31
- Base-36: 68BNIUP
Squares and roots of 13563996721
- 13563996721 squared (135639967212) is 183982007047298751841
- 13563996721 cubed (135639967213) is 2495531340312559161878716713361
-
The
square root of 13563996721 is 116464.5728150839 -
The
cube root of 13563996721 is 2384.8581837687
Scales and comparisons
How big is 13563996721?- 13,563,996,721 seconds is equal to 431 years, 15 weeks, 1 day, 16 hours, 52 minutes, 1 second.
-
To count from 1 to 13,563,996,721 would take you about 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 13563996721 cubic inches would be around 198.7 feet tall.
Recreational maths with 13563996721
- 13563996721 backwards is 12769936531
- The number of decimal digits it has is: 11
- The sum of 13563996721's digits is 52
- More coming soon!
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