# 9913

## 9,913 is an odd composite number composed of two prime numbers multiplied together.

What does the number 9913 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 4 divisors.

9913 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of four divisors.

## Prime factorization of 9913:

### 23 × 431

See below for interesting mathematical facts about the number 9913 from the Numbermatics database.

### Names of 9913

• Cardinal: 9913 can be written as Nine thousand, nine hundred thirteen.

### Scientific notation

• Scientific notation: 9.913 × 103

### Factors of 9913

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 454

### Divisors of 9913

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 10368
• Sum of proper divisors (its aliquot sum) s(n): 455
• 9913 is a deficient number, because the sum of its proper divisors (455) is less than itself. Its deficiency is 9458

### Bases of 9913

• Binary: 100110101110012
• Base-36: 7ND

### Squares and roots of 9913

• 9913 squared (99132) is 98267569
• 9913 cubed (99133) is 974126411497
• The square root of 9913 is 99.5640497369
• The cube root of 9913 is 21.4816862255

### Scales and comparisons

How big is 9913?
• 9,913 seconds is equal to 2 hours, 45 minutes, 13 seconds.
• To count from 1 to 9,913 would take you about two 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 9913 cubic inches would be around 1.8 feet tall.

### Recreational maths with 9913

• 9913 backwards is 3199
• The number of decimal digits it has is: 4
• The sum of 9913's digits is 22
• More coming soon!