# 28309950

## 28,309,950 is an even composite number composed of five prime numbers multiplied together.

What does the number 28309950 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 72 divisors.

28309950 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.

## Prime factorization of 28309950:

### 2 × 32 × 52 × 53 × 1187

(2 × 3 × 3 × 5 × 5 × 53 × 1187)

See below for interesting mathematical facts about the number 28309950 from the Numbermatics database.

### Names of 28309950

• Cardinal: 28309950 can be written as Twenty-eight million, three hundred nine thousand, nine hundred fifty.

### Scientific notation

• Scientific notation: 2.830995 × 107

### Factors of 28309950

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1250

### Divisors of 28309950

• Number of divisors d(n): 72
• Complete list of divisors:
• Sum of all divisors σ(n): 77559768
• Sum of proper divisors (its aliquot sum) s(n): 49249818
• 28309950 is an abundant number, because the sum of its proper divisors (49249818) is greater than itself. Its abundance is 20939868

### Bases of 28309950

• Binary: 11010111111111001101111102
• Base-36: GUS3I

### Squares and roots of 28309950

• 28309950 squared (283099502) is 801453269002500
• 28309950 cubed (283099503) is 22689101972797324875000
• The square root of 28309950 is 5320.7095391499
• The cube root of 28309950 is 304.7752532249

### Scales and comparisons

How big is 28309950?
• 28,309,950 seconds is equal to 46 weeks, 5 days, 15 hours, 52 minutes, 30 seconds.
• To count from 1 to 28,309,950 would take you about eighteen 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 28309950 cubic inches would be around 25.4 feet tall.

### Recreational maths with 28309950

• 28309950 backwards is 05990382
• The number of decimal digits it has is: 8
• The sum of 28309950's digits is 36
• More coming soon!