# 61215

## 61,215 is an odd composite number composed of five prime numbers multiplied together.

What does the number 61215 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

61215 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

## Prime factorization of 61215:

### 3 × 5 × 7 × 11 × 53

See below for interesting mathematical facts about the number 61215 from the Numbermatics database.

### Names of 61215

• Cardinal: 61215 can be written as Sixty-one thousand, two hundred fifteen.

### Scientific notation

• Scientific notation: 6.1215 × 104

### Factors of 61215

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 79

### Divisors of 61215

• Number of divisors d(n): 32
• Complete list of divisors:
• Sum of all divisors σ(n): 124416
• Sum of proper divisors (its aliquot sum) s(n): 63201
• 61215 is an abundant number, because the sum of its proper divisors (63201) is greater than itself. Its abundance is 1986

### Bases of 61215

• Binary: 11101111000111112
• Base-36: 1B8F

### Squares and roots of 61215

• 61215 squared (612152) is 3747276225
• 61215 cubed (612153) is 229389514113375
• The square root of 61215 is 247.4166526329
• The cube root of 61215 is 39.4111660657

### Scales and comparisons

How big is 61215?
• 61,215 seconds is equal to 17 hours, 15 seconds.
• To count from 1 to 61,215 would take you about seventeen 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 61215 cubic inches would be around 3.3 feet tall.

### Recreational maths with 61215

• 61215 backwards is 51216
• 61215 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 61215's digits is 15
• More coming soon!