# 20197

## 20,197 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20197 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

20197 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 20197:

### 19 × 1063

See below for interesting mathematical facts about the number 20197 from the Numbermatics database.

### Names of 20197

• Cardinal: 20197 can be written as Twenty thousand, one hundred ninety-seven.

### Scientific notation

• Scientific notation: 2.0197 × 104

### Factors of 20197

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1082

### Divisors of 20197

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 21280
• Sum of proper divisors (its aliquot sum) s(n): 1083
• 20197 is a deficient number, because the sum of its proper divisors (1083) is less than itself. Its deficiency is 19114

### Bases of 20197

• Binary: 1001110111001012
• Base-36: FL1

### Squares and roots of 20197

• 20197 squared (201972) is 407918809
• 20197 cubed (201973) is 8238736185373
• The square root of 20197 is 142.1161496805
• The cube root of 20197 is 27.2330085135

### Scales and comparisons

How big is 20197?
• 20,197 seconds is equal to 5 hours, 36 minutes, 37 seconds.
• To count from 1 to 20,197 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 20197 cubic inches would be around 2.3 feet tall.

### Recreational maths with 20197

• 20197 backwards is 79102
• 20197 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 20197's digits is 19
• More coming soon!