# 18007

## 18,007 is an odd composite number composed of two prime numbers multiplied together.

What does the number 18007 look like?

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

18007 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 18007:

### 11 × 1637

See below for interesting mathematical facts about the number 18007 from the Numbermatics database.

### Names of 18007

• Cardinal: 18007 can be written as Eighteen thousand and seven.

### Scientific notation

• Scientific notation: 1.8007 × 104

### Factors of 18007

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 1648

### Divisors of 18007

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 19656
• Sum of proper divisors (its aliquot sum) s(n): 1649
• 18007 is a deficient number, because the sum of its proper divisors (1649) is less than itself. Its deficiency is 16358

### Bases of 18007

• Binary: 1000110010101112
• Base-36: DW7

### Squares and roots of 18007

• 18007 squared (180072) is 324252049
• 18007 cubed (180073) is 5838806646343
• The square root of 18007 is 134.1901635739
• The cube root of 18007 is 26.2108107591

### Scales and comparisons

How big is 18007?
• 18,007 seconds is equal to 5 hours, 7 seconds.
• To count from 1 to 18,007 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 18007 cubic inches would be around 2.2 feet tall.

### Recreational maths with 18007

• 18007 backwards is 70081
• The number of decimal digits it has is: 5
• The sum of 18007's digits is 16
• More coming soon!