31408

31,408 is an even composite number composed of three prime numbers multiplied together.

What does the number 31408 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 20 divisors.

31408 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twenty divisors.

Prime factorization of 31408:

2⁴ × 13 × 151

(2 × 2 × 2 × 2 × 13 × 151)

See below for interesting mathematical facts about the number 31408 from the Numbermatics database.

Names of 31408

Cardinal: 31408 can be written as Thirty-one thousand, four hundred eight.

Scientific notation

Scientific notation: 3.1408 × 10⁴

Factors of 31408

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 6
Sum of prime factors: 166

Divisors of 31408

Number of divisors d(n): 20
Complete list of divisors:
1 2 4 8 13 16 26 52 104 151 208 302 604 1208 1963 2416 3926 7852 15704 31408
Sum of all divisors σ(n): 65968
Sum of proper divisors (its aliquot sum) s(n): 34560
31408 is an abundant number, because the sum of its proper divisors (34560) is greater than itself. Its abundance is 3152

Bases of 31408

Binary: 111101010110000₂
Hexadecimal: 0x7AB0
Base-36: O8G

Squares and roots of 31408

31408 squared (31408²) is 986462464
31408 cubed (31408³) is 30982813069312
The square root of 31408 is 177.2230233349
The cube root of 31408 is 31.5510217059

Scales and comparisons

How big is 31408?

31,408 seconds is equal to 8 hours, 43 minutes, 28 seconds.
To count from 1 to 31,408 would take you about eight 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 31408 cubic inches would be around 2.6 feet tall.

Recreational maths with 31408

31408 backwards is 80413
31408 is a Harshad number.
The number of decimal digits it has is: 5
The sum of 31408's digits is 16
More coming soon!

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The information we have on file for 31408 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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