# 18229986

## 18,229,986 is an even composite number composed of five prime numbers multiplied together.

What does the number 18229986 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

18229986 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

## Prime factorization of 18229986:

### 2 × 32 × 53 × 97 × 197

(2 × 3 × 3 × 53 × 97 × 197)

See below for interesting mathematical facts about the number 18229986 from the Numbermatics database.

### Names of 18229986

• Cardinal: 18229986 can be written as Eighteen million, two hundred twenty-nine thousand, nine hundred eighty-six.

### Scientific notation

• Scientific notation: 1.8229986 × 107

### Factors of 18229986

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 352

### Divisors of 18229986

• Number of divisors d(n): 48
• Complete list of divisors:
• Sum of all divisors σ(n): 40864824
• Sum of proper divisors (its aliquot sum) s(n): 22634838
• 18229986 is an abundant number, because the sum of its proper divisors (22634838) is greater than itself. Its abundance is 4404852

### Bases of 18229986

• Binary: 10001011000101010111000102
• Base-36: AUQCI

### Squares and roots of 18229986

• 18229986 squared (182299862) is 332332389560196
• 18229986 cubed (182299863) is 6058414809028919237256
• The square root of 18229986 is 4269.6587685669
• The cube root of 18229986 is 263.1855928559

### Scales and comparisons

How big is 18229986?
• 18,229,986 seconds is equal to 30 weeks, 23 hours, 53 minutes, 6 seconds.
• To count from 1 to 18,229,986 would take you about forty-five weeks!

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 18229986 cubic inches would be around 21.9 feet tall.

### Recreational maths with 18229986

• 18229986 backwards is 68992281
• The number of decimal digits it has is: 8
• The sum of 18229986's digits is 45
• More coming soon!

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