# 409396813

## 409,396,813 is an odd composite number composed of three prime numbers multiplied together.

What does the number 409396813 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

409396813 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

## Prime factorization of 409396813:

### 72 × 251 × 33287

(7 × 7 × 251 × 33287)

See below for interesting mathematical facts about the number 409396813 from the Numbermatics database.

### Names of 409396813

• Cardinal: 409396813 can be written as Four hundred nine million, three hundred ninety-six thousand, eight hundred thirteen.

### Scientific notation

• Scientific notation: 4.09396813 × 108

### Factors of 409396813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 33545

### Divisors of 409396813

• Number of divisors d(n): 12
• Complete list of divisors:
• Sum of all divisors σ(n): 478148832
• Sum of proper divisors (its aliquot sum) s(n): 68752019
• 409396813 is a deficient number, because the sum of its proper divisors (68752019) is less than itself. Its deficiency is 340644794

### Bases of 409396813

• Binary: 110000110011011100110010011012
• Base-36: 6RQSLP

### Squares and roots of 409396813

• 409396813 squared (4093968132) is 167605750494556969
• 409396813 cubed (4093968133) is 68617260092944796955539797
• The square root of 409396813 is 20233.5566077741
• The cube root of 409396813 is 742.5313922191

### Scales and comparisons

How big is 409396813?
• 409,396,813 seconds is equal to 13 years, 6 days, 9 hours, 20 minutes, 13 seconds.
• To count from 1 to 409,396,813 would take you about nineteen 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 409396813 cubic inches would be around 61.9 feet tall.

### Recreational maths with 409396813

• 409396813 backwards is 318693904
• The number of decimal digits it has is: 9
• The sum of 409396813's digits is 43
• More coming soon!