# 247009

## 247,009 is an odd composite number composed of two prime numbers multiplied together.

What does the number 247009 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 9 divisors.

247009 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of nine divisors.

## Prime factorization of 247009:

### 72 × 712

(7 × 7 × 71 × 71)

See below for interesting mathematical facts about the number 247009 from the Numbermatics database.

### Names of 247009

• Cardinal: 247009 can be written as Two hundred forty-seven thousand and nine.

### Scientific notation

• Scientific notation: 2.47009 × 105

### Factors of 247009

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 78

### Divisors of 247009

• Number of divisors d(n): 9
• Complete list of divisors:
• Sum of all divisors σ(n): 291441
• Sum of proper divisors (its aliquot sum) s(n): 44432
• 247009 is a deficient number, because the sum of its proper divisors (44432) is less than itself. Its deficiency is 202577

### Bases of 247009

• Binary: 1111000100111000012
• Base-36: 5ALD

### Squares and roots of 247009

• 247009 squared (2470092) is 61013446081
• 247009 cubed (2470093) is 15070870303021729
• 247009 is a perfect square number. Its square root is 497
• The cube root of 247009 is 62.7438156263

### Scales and comparisons

How big is 247009?
• 247,009 seconds is equal to 2 days, 20 hours, 36 minutes, 49 seconds.
• To count from 1 to 247,009 would take you about two days.

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 247009 cubic inches would be around 5.2 feet tall.

### Recreational maths with 247009

• 247009 backwards is 900742
• The number of decimal digits it has is: 6
• The sum of 247009's digits is 22
• More coming soon!