31142813

31,142,813 is an odd composite number composed of three prime numbers multiplied together.

What does the number 31142813 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 12 divisors.

31142813 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of twelve divisors.

Prime factorization of 31142813:

13² × 127 × 1451

(13 × 13 × 127 × 1451)

See below for interesting mathematical facts about the number 31142813 from the Numbermatics database.

Names of 31142813

Cardinal: 31142813 can be written as Thirty-one million, one hundred forty-two thousand, eight hundred thirteen.

Scientific notation

Scientific notation: 3.1142813 × 10⁷

Factors of 31142813

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 4
Sum of prime factors: 1591

Divisors of 31142813

Number of divisors d(n): 12
Complete list of divisors:
1 13 127 169 1451 1651 18863 21463 184277 245219 2395601 31142813
Sum of all divisors σ(n): 34011648
Sum of proper divisors (its aliquot sum) s(n): 2868835
31142813 is a deficient number, because the sum of its proper divisors (2868835) is less than itself. Its deficiency is 28273978

Bases of 31142813

Binary: 1110110110011001110011101₂
Hexadecimal: 0x1DB339D
Base-36: IJHY5

Squares and roots of 31142813

31142813 squared (31142813²) is 969874801552969
31142813 cubed (31142813³) is 30204629578176223161797
The square root of 31142813 is 5580.5746119911
The cube root of 31142813 is 314.6197241921

Scales and comparisons

How big is 31142813?

31,142,813 seconds is equal to 51 weeks, 3 days, 10 hours, 46 minutes, 53 seconds.
To count from 1 to 31,142,813 would take you about twenty-five weeks!

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 31142813 cubic inches would be around 26.2 feet tall.

Recreational maths with 31142813

31142813 backwards is 31824113
The number of decimal digits it has is: 8
The sum of 31142813's digits is 23
More coming soon!

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The information we have on file for 31142813 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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