# 42665

## 42,665 is an odd composite number composed of four prime numbers multiplied together.

What does the number 42665 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

42665 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

## Prime factorization of 42665:

### 5 × 7 × 23 × 53

See below for interesting mathematical facts about the number 42665 from the Numbermatics database.

### Names of 42665

• Cardinal: 42665 can be written as Forty-two thousand, six hundred sixty-five.

### Scientific notation

• Scientific notation: 4.2665 × 104

### Factors of 42665

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 88

### Divisors of 42665

• Number of divisors d(n): 16
• Complete list of divisors:
• Sum of all divisors σ(n): 62208
• Sum of proper divisors (its aliquot sum) s(n): 19543
• 42665 is a deficient number, because the sum of its proper divisors (19543) is less than itself. Its deficiency is 23122

### Bases of 42665

• Binary: 10100110101010012
• Base-36: WX5

### Squares and roots of 42665

• 42665 squared (426652) is 1820302225
• 42665 cubed (426653) is 77663194429625
• The square root of 42665 is 206.5550774007
• The cube root of 42665 is 34.9427635937

### Scales and comparisons

How big is 42665?
• 42,665 seconds is equal to 11 hours, 51 minutes, 5 seconds.
• To count from 1 to 42,665 would take you about eleven 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 42665 cubic inches would be around 2.9 feet tall.

### Recreational maths with 42665

• 42665 backwards is 56624
• 42665 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 42665's digits is 23
• More coming soon!