# 72613

## 72,613 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 72613 look like?

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

72613 is a prime number. Like all primes (except two), it is an odd number.

## Prime factorization of 72613:

### 72613

See below for interesting mathematical facts about the number 72613 from the Numbermatics database.

### Names of 72613

• Cardinal: 72613 can be written as Seventy-two thousand, six hundred thirteen.

### Scientific notation

• Scientific notation: 7.2613 × 104

### Factors of 72613

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 72613

### Divisors of 72613

• Number of divisors d(n): 2
• Complete list of divisors:
• Sum of all divisors σ(n): 72614
• Sum of proper divisors (its aliquot sum) s(n): 1
• 72613 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 72612

### Bases of 72613

• Binary: 100011011101001012
• Base-36: 1K11

### Squares and roots of 72613

• 72613 squared (726132) is 5272647769
• 72613 cubed (726133) is 382862772450397
• The square root of 72613 is 269.4679943889
• The cube root of 72613 is 41.7194069927

### Scales and comparisons

How big is 72613?
• 72,613 seconds is equal to 20 hours, 10 minutes, 13 seconds.
• To count from 1 to 72,613 would take you about twenty 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 72613 cubic inches would be around 3.5 feet tall.

### Recreational maths with 72613

• 72613 backwards is 31627
• The number of decimal digits it has is: 5
• The sum of 72613's digits is 19
• More coming soon!