31439421

31,439,421 is an odd composite number composed of four prime numbers multiplied together.

What does the number 31439421 look like?

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

31439421 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 31439421:

3⁴ × 13 × 73 × 409

(3 × 3 × 3 × 3 × 13 × 73 × 409)

See below for interesting mathematical facts about the number 31439421 from the Numbermatics database.

Names of 31439421

Cardinal: 31439421 can be written as Thirty-one million, four hundred thirty-nine thousand, four hundred twenty-one.

Scientific notation

Scientific notation: 3.1439421 × 10⁷

Factors of 31439421

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 498

Divisors of 31439421

Number of divisors d(n): 40
Complete list of divisors:
1 3 9 13 27 39 73 81 117 219 351 409 657 949 1053 1227 1971 2847 3681 5317 5913 8541 11043 15951 25623 29857 33129 47853 76869 89571 143559 268713 388141 430677 806139 1164423 2418417 3493269 10479807 31439421
Sum of all divisors σ(n): 51395960
Sum of proper divisors (its aliquot sum) s(n): 19956539
31439421 is a deficient number, because the sum of its proper divisors (19956539) is less than itself. Its deficiency is 11482882

Bases of 31439421

Binary: 1110111111011101000111101₂
Hexadecimal: 0x1DFBA3D
Base-36: IPUT9

Squares and roots of 31439421

31439421 squared (31439421²) is 988437192815241
31439421 cubed (31439421³) is 31075893036976537015461
The square root of 31439421 is 5607.0866766977
The cube root of 31439421 is 315.6153955971

Scales and comparisons

How big is 31439421?

31,439,421 seconds is equal to 51 weeks, 6 days, 21 hours, 10 minutes, 21 seconds.
To count from 1 to 31,439,421 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 31439421 cubic inches would be around 26.3 feet tall.

Recreational maths with 31439421

31439421 backwards is 12493413
31439421 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 31439421's digits is 27
More coming soon!

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The information we have on file for 31439421 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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