# 381040

## 381,040 is an even composite number composed of four prime numbers multiplied together.

What does the number 381040 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

381040 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

## Prime factorization of 381040:

### 24 × 5 × 11 × 433

(2 × 2 × 2 × 2 × 5 × 11 × 433)

See below for interesting mathematical facts about the number 381040 from the Numbermatics database.

### Names of 381040

• Cardinal: 381040 can be written as Three hundred eighty-one thousand and forty.

### Scientific notation

• Scientific notation: 3.8104 × 105

### Factors of 381040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 451

### Divisors of 381040

• Number of divisors d(n): 40
• Complete list of divisors:
• Sum of all divisors σ(n): 968688
• Sum of proper divisors (its aliquot sum) s(n): 587648
• 381040 is an abundant number, because the sum of its proper divisors (587648) is greater than itself. Its abundance is 206608

### Bases of 381040

• Binary: 10111010000011100002
• Base-36: 860G

### Squares and roots of 381040

• 381040 squared (3810402) is 145191481600
• 381040 cubed (3810403) is 55323762148864000
• The square root of 381040 is 617.2843753085
• The cube root of 381040 is 72.4975821627

### Scales and comparisons

How big is 381040?
• 381,040 seconds is equal to 4 days, 9 hours, 50 minutes, 40 seconds.
• To count from 1 to 381,040 would take you about four 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 381040 cubic inches would be around 6 feet tall.

### Recreational maths with 381040

• 381040 backwards is 040183
• 381040 is a Harshad number.
• The number of decimal digits it has is: 6
• The sum of 381040's digits is 16
• More coming soon!