21319688

21,319,688 is an even composite number composed of three prime numbers multiplied together.

What does the number 21319688 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 32 divisors.

21319688 is an even composite number. It is composed of three distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21319688:

2³ × 13³ × 1213

(2 × 2 × 2 × 13 × 13 × 13 × 1213)

See below for interesting mathematical facts about the number 21319688 from the Numbermatics database.

Names of 21319688

Cardinal: 21319688 can be written as Twenty-one million, three hundred nineteen thousand, six hundred eighty-eight.

Scientific notation

Scientific notation: 2.1319688 × 10⁷

Factors of 21319688

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 7
Sum of prime factors: 1228

Divisors of 21319688

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 13 26 52 104 169 338 676 1213 1352 2197 2426 4394 4852 8788 9704 15769 17576 31538 63076 126152 204997 409994 819988 1639976 2664961 5329922 10659844 21319688
Sum of all divisors σ(n): 43339800
Sum of proper divisors (its aliquot sum) s(n): 22020112
21319688 is an abundant number, because the sum of its proper divisors (22020112) is greater than itself. Its abundance is 700424

Bases of 21319688

Binary: 1010001010101000000001000₂
Hexadecimal: 0x1455008
Base-36: COYDK

Squares and roots of 21319688

21319688 squared (21319688²) is 454529096417344
21319688 cubed (21319688³) is 9690418522539691868672
The square root of 21319688 is 4617.3247665721
The cube root of 21319688 is 277.2853649677

Scales and comparisons

How big is 21319688?

21,319,688 seconds is equal to 35 weeks, 1 day, 18 hours, 8 minutes, 8 seconds.
To count from 1 to 21,319,688 would take you about six days!

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 21319688 cubic inches would be around 23.1 feet tall.

Recreational maths with 21319688

21319688 backwards is 88691312
The number of decimal digits it has is: 8
The sum of 21319688's digits is 38
More coming soon!

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The information we have on file for 21319688 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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