# 15550920

## 15,550,920 is an even composite number composed of six prime numbers multiplied together.

What does the number 15550920 look like?

This visualization shows the relationship between its 6 prime factors (large circles) and 384 divisors.

15550920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.

## Prime factorization of 15550920:

### 23 × 33 × 5 × 7 × 112 × 17

(2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 11 × 11 × 17)

See below for interesting mathematical facts about the number 15550920 from the Numbermatics database.

### Names of 15550920

• Cardinal: 15550920 can be written as Fifteen million, five hundred fifty thousand, nine hundred twenty.

### Scientific notation

• Scientific notation: 1.555092 × 107

### Factors of 15550920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 45

### Divisors of 15550920

• Number of divisors d(n): 384
• Complete list of divisors:
• Sum of all divisors σ(n): 68947200
• Sum of proper divisors (its aliquot sum) s(n): 53396280
• 15550920 is an abundant number, because the sum of its proper divisors (53396280) is greater than itself. Its abundance is 37845360

### Bases of 15550920

• Binary: 1110110101001001110010002
• Base-36: 99B60

### Squares and roots of 15550920

• 15550920 squared (155509202) is 241831112846400
• 15550920 cubed (155509203) is 3760696289385338688000
• The square root of 15550920 is 3943.4654810203
• The cube root of 15550920 is 249.6042806219

### Scales and comparisons

How big is 15550920?
• 15,550,920 seconds is equal to 25 weeks, 4 days, 23 hours, 42 minutes.
• To count from 1 to 15,550,920 would take you about thirty-eight 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 15550920 cubic inches would be around 20.8 feet tall.

### Recreational maths with 15550920

• 15550920 backwards is 02905551
• 15550920 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 15550920's digits is 27
• More coming soon!