# 13997656561

## 13,997,656,561 is an odd composite number composed of three prime numbers multiplied together.

What does the number 13997656561 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

13997656561 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 13997656561:

### 7 × 27847 × 71809

See below for interesting mathematical facts about the number 13997656561 from the Numbermatics database.

### Names of 13997656561

• Cardinal: 13997656561 can be written as Thirteen billion, nine hundred ninety-seven million, six hundred fifty-six thousand, five hundred sixty-one.

### Scientific notation

• Scientific notation: 1.3997656561 × 1010

### Factors of 13997656561

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 99663

### Divisors of 13997656561

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 15998119040
• Sum of proper divisors (its aliquot sum) s(n): 2000462479
• 13997656561 is a deficient number, because the sum of its proper divisors (2000462479) is less than itself. Its deficiency is 11997194082

### Bases of 13997656561

• Binary: 11010000100101001101001001111100012
• Base-36: 6FHUCXD

### Squares and roots of 13997656561

• 13997656561 squared (139976565612) is 195934389199706346721
• 13997656561 cubed (139976565613) is 2742622288506797083452546486481
• The square root of 13997656561 is 118311.6924103447
• The cube root of 13997656561 is 2410.0077799717

### Scales and comparisons

How big is 13997656561?
• 13,997,656,561 seconds is equal to 445 years, 4 weeks, 1 day, 21 hours, 56 minutes, 1 second.
• To count from 1 to 13,997,656,561 would take you about eight hundred ninety 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 13997656561 cubic inches would be around 200.8 feet tall.

### Recreational maths with 13997656561

• 13997656561 backwards is 16565679931
• The number of decimal digits it has is: 11
• The sum of 13997656561's digits is 58
• More coming soon!