21431956

21,431,956 is an even composite number composed of five prime numbers multiplied together.

What does the number 21431956 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

21431956 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21431956:

2² × 7 × 13 × 97 × 607

(2 × 2 × 7 × 13 × 97 × 607)

See below for interesting mathematical facts about the number 21431956 from the Numbermatics database.

Names of 21431956

Cardinal: 21431956 can be written as Twenty-one million, four hundred thirty-one thousand, nine hundred fifty-six.

Scientific notation

Scientific notation: 2.1431956 × 10⁷

Factors of 21431956

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 726

Divisors of 21431956

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 13 14 26 28 52 91 97 182 194 364 388 607 679 1214 1261 1358 2428 2522 2716 4249 5044 7891 8498 8827 15782 16996 17654 31564 35308 55237 58879 110474 117758 220948 235516 412153 765427 824306 1530854 1648612 3061708 5357989 10715978 21431956
Sum of all divisors σ(n): 46713856
Sum of proper divisors (its aliquot sum) s(n): 25281900
21431956 is an abundant number, because the sum of its proper divisors (25281900) is greater than itself. Its abundance is 3849944

Bases of 21431956

Binary: 1010001110000011010010100₂
Hexadecimal: 0x1470694
Base-36: CRD04

Squares and roots of 21431956

21431956 squared (21431956²) is 459328737985936
21431956 cubed (21431956³) is 9844313302050108970816
The square root of 21431956 is 4629.4660599253
The cube root of 21431956 is 277.7712349511

Scales and comparisons

How big is 21431956?

21,431,956 seconds is equal to 35 weeks, 3 days, 1 hour, 19 minutes, 16 seconds.
To count from 1 to 21,431,956 would take you about fifty-eight 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 21431956 cubic inches would be around 23.1 feet tall.

Recreational maths with 21431956

21431956 backwards is 65913412
The number of decimal digits it has is: 8
The sum of 21431956's digits is 31
More coming soon!

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The information we have on file for 21431956 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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