# 1457

## 1,457 is an odd composite number composed of two prime numbers multiplied together.

What does the number 1457 look like?

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

1457 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 1457:

### 31 × 47

See below for interesting mathematical facts about the number 1457 from the Numbermatics database.

### Names of 1457

• Cardinal: 1457 can be written as One thousand, four hundred fifty-seven.

### Scientific notation

• Scientific notation: 1.457 × 103

### Factors of 1457

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 78

### Divisors of 1457

• Number of divisors d(n): 4
• Complete list of divisors:
• Sum of all divisors σ(n): 1536
• Sum of proper divisors (its aliquot sum) s(n): 79
• 1457 is a deficient number, because the sum of its proper divisors (79) is less than itself. Its deficiency is 1378

### Bases of 1457

• Binary: 101101100012
• Base-36: 14H

### Squares and roots of 1457

• 1457 squared (14572) is 2122849
• 1457 cubed (14573) is 3092990993
• The square root of 1457 is 38.1706693679
• The cube root of 1457 is 11.3366964259

### Scales and comparisons

How big is 1457?
• 1,457 seconds is equal to 24 minutes, 17 seconds.
• To count from 1 to 1,457 would take you about twenty-four minutes.

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 1457 cubic inches would be around 0.9 feet tall.

### Recreational maths with 1457

• 1457 backwards is 7541
• The number of decimal digits it has is: 4
• The sum of 1457's digits is 17
• More coming soon!