# 71409

## 71,409 is an odd composite number composed of three prime numbers multiplied together.

What does the number 71409 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

71409 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

## Prime factorization of 71409:

### 3 × 13 × 1831

See below for interesting mathematical facts about the number 71409 from the Numbermatics database.

### Names of 71409

• Cardinal: 71409 can be written as Seventy-one thousand, four hundred nine.

### Scientific notation

• Scientific notation: 7.1409 × 104

### Factors of 71409

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1847

### Divisors of 71409

• Number of divisors d(n): 8
• Complete list of divisors:
• Sum of all divisors σ(n): 102592
• Sum of proper divisors (its aliquot sum) s(n): 31183
• 71409 is a deficient number, because the sum of its proper divisors (31183) is less than itself. Its deficiency is 40226

### Bases of 71409

• Binary: 100010110111100012
• Base-36: 1J3L

### Squares and roots of 71409

• 71409 squared (714092) is 5099245281
• 71409 cubed (714093) is 364132006270929
• The square root of 71409 is 267.2246246139
• The cube root of 71409 is 41.4875367809

### Scales and comparisons

How big is 71409?
• 71,409 seconds is equal to 19 hours, 50 minutes, 9 seconds.
• To count from 1 to 71,409 would take you about nineteen hours.

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 71409 cubic inches would be around 3.5 feet tall.

### Recreational maths with 71409

• 71409 backwards is 90417
• The number of decimal digits it has is: 5
• The sum of 71409's digits is 21
• More coming soon!