# 19790

## 19,790 is an even composite number composed of three prime numbers multiplied together.

What does the number 19790 look like?

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

19790 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 19790:

### 2 × 5 × 1979

See below for interesting mathematical facts about the number 19790 from the Numbermatics database.

### Names of 19790

• Cardinal: 19790 can be written as Nineteen thousand, seven hundred ninety.

### Scientific notation

• Scientific notation: 1.979 × 104

### Factors of 19790

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1986

### Divisors of 19790

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 35640
• Sum of proper divisors (its aliquot sum) s(n): 15850
• 19790 is a deficient number, because the sum of its proper divisors (15850) is less than itself. Its deficiency is 3940

### Bases of 19790

• Binary: 1001101010011102
• Base-36: F9Q

### Squares and roots of 19790

• 19790 squared (197902) is 391644100
• 19790 cubed (197903) is 7750636739000
• The square root of 19790 is 140.6769348543
• The cube root of 19790 is 27.0488370799

### Scales and comparisons

How big is 19790?
• 19,790 seconds is equal to 5 hours, 29 minutes, 50 seconds.
• To count from 1 to 19,790 would take you about five hours.

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 19790 cubic inches would be around 2.3 feet tall.

### Recreational maths with 19790

• 19790 backwards is 09791
• The number of decimal digits it has is: 5
• The sum of 19790's digits is 26
• More coming soon!