# 387420489

## 387,420,489 is an odd composite number. It is composed of a single prime number multiplied by itself seventeen times.

What does the number 387420489 look like?

This visualization shows the relationship between its 1 prime factors (large circles) and 19 divisors.

387420489 is an odd composite number. It is composed of one distinct prime number multiplied by itself seventeen times. It has a total of nineteen divisors.

## Prime factorization of 387420489:

### 318

(3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3 × 3)

See below for interesting mathematical facts about the number 387420489 from the Numbermatics database.

### Names of 387420489

• Cardinal: 387420489 can be written as Three hundred eighty-seven million, four hundred twenty thousand, four hundred eighty-nine.

### Scientific notation

• Scientific notation: 3.87420489 × 108

### Factors of 387420489

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 3

### Divisors of 387420489

• Number of divisors d(n): 19
• Complete list of divisors:
• Sum of all divisors σ(n): 581130733
• Sum of proper divisors (its aliquot sum) s(n): 193710244
• 387420489 is a deficient number, because the sum of its proper divisors (193710244) is less than itself. Its deficiency is 193710245

### Bases of 387420489

• Binary: 101110001011110010001010010012
• Base-36: 6ENRK9

### Scales and comparisons

How big is 387420489?
• 387,420,489 seconds is equal to 12 years, 16 weeks, 4 days, 48 minutes, 9 seconds.
• To count from 1 to 387,420,489 would take you about eighteen years!

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 387420489 cubic inches would be around 60.8 feet tall.

### Recreational maths with 387420489

• 387420489 backwards is 984024783
• The number of decimal digits it has is: 9
• The sum of 387420489's digits is 45
• More coming soon!

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The information we have on file for 387420489 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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