# 521149993

## 521,149,993 is an odd composite number composed of five prime numbers multiplied together.

What does the number 521149993 look like?

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

521149993 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 521149993:

### 7 × 13 × 19 × 73 × 4129

See below for interesting mathematical facts about the number 521149993 from the Numbermatics database.

### Names of 521149993

• Cardinal: 521149993 can be written as Five hundred twenty-one million, one hundred forty-nine thousand, nine hundred ninety-three.

### Scientific notation

• Scientific notation: 5.21149993 × 108

### Factors of 521149993

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 4241

### Divisors of 521149993

• Number of divisors d(n): 32
• Complete list of divisors:
• Sum of all divisors σ(n): 684588800
• Sum of proper divisors (its aliquot sum) s(n): 163438807
• 521149993 is a deficient number, because the sum of its proper divisors (163438807) is less than itself. Its deficiency is 357711186

### Bases of 521149993

• Binary: 111110001000000011110001010012
• Base-36: 8MA1WP

### Squares and roots of 521149993

• 521149993 squared (5211499932) is 271597315203900049
• 521149993 cubed (5211499933) is 141542938917331304109049657
• The square root of 521149993 is 22828.7098408999
• The cube root of 521149993 is 804.7375109619

### Scales and comparisons

How big is 521149993?
• 521,149,993 seconds is equal to 16 years, 29 weeks, 4 days, 19 hours, 53 minutes, 13 seconds.
• To count from 1 to 521,149,993 would take you about twenty-four years!

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 521149993 cubic inches would be around 67.1 feet tall.

### Recreational maths with 521149993

• 521149993 backwards is 399941125
• The number of decimal digits it has is: 9
• The sum of 521149993's digits is 43
• More coming soon!