# 102409

## 102,409 is a prime number. Like all primes greater than two, it is odd and has no factors apart from itself and one.

What does the number 102409 look like?

As a prime, it is not composed of any other numbers and has no internal structure.

102409 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 102409:

### 102409

See below for interesting mathematical facts about the number 102409 from the Numbermatics database.

### Names of 102409

• Cardinal: 102409 can be written as One hundred two thousand, four hundred nine.

### Scientific notation

• Scientific notation: 1.02409 × 105

### Factors of 102409

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 102409

### Divisors of 102409

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 102410
• Sum of proper divisors (its aliquot sum) s(n): 1
• 102409 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 102408

### Bases of 102409

• Binary: 110010000000010012
• Base-36: 270P

### Squares and roots of 102409

• 102409 squared (1024092) is 10487603281
• 102409 cubed (1024093) is 1074024964403929
• The square root of 102409 is 320.0140621911
• The cube root of 102409 is 46.7856544045

### Scales and comparisons

How big is 102409?
• 102,409 seconds is equal to 1 day, 4 hours, 26 minutes, 49 seconds.
• To count from 1 to 102,409 would take you about four 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 102409 cubic inches would be around 3.9 feet tall.

### Recreational maths with 102409

• 102409 backwards is 904201
• The number of decimal digits it has is: 6
• The sum of 102409's digits is 16
• More coming soon!