21217108

21,217,108 is an even composite number composed of four prime numbers multiplied together.

What does the number 21217108 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

21217108 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 21217108:

2² × 11² × 59 × 743

(2 × 2 × 11 × 11 × 59 × 743)

See below for interesting mathematical facts about the number 21217108 from the Numbermatics database.

Names of 21217108

Cardinal: 21217108 can be written as Twenty-one million, two hundred seventeen thousand, one hundred eight.

Scientific notation

Scientific notation: 2.1217108 × 10⁷

Factors of 21217108

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 815

Divisors of 21217108

Number of divisors d(n): 36
Complete list of divisors:
1 2 4 11 22 44 59 118 121 236 242 484 649 743 1298 1486 2596 2972 7139 8173 14278 16346 28556 32692 43837 87674 89903 175348 179806 359612 482207 964414 1928828 5304277 10608554 21217108
Sum of all divisors σ(n): 41559840
Sum of proper divisors (its aliquot sum) s(n): 20342732
21217108 is a deficient number, because the sum of its proper divisors (20342732) is less than itself. Its deficiency is 874376

Bases of 21217108

Binary: 1010000111011111101010100₂
Hexadecimal: 0x143BF54
Base-36: CMR84

Squares and roots of 21217108

21217108 squared (21217108²) is 450165671883664
21217108 cubed (21217108³) is 9551213678248262523712
The square root of 21217108 is 4606.2032087175
The cube root of 21217108 is 276.8399288909

Scales and comparisons

How big is 21217108?

21,217,108 seconds is equal to 35 weeks, 13 hours, 38 minutes, 28 seconds.
To count from 1 to 21,217,108 would take you about four 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 21217108 cubic inches would be around 23.1 feet tall.

Recreational maths with 21217108

21217108 backwards is 80171212
21217108 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21217108's digits is 22
More coming soon!

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The information we have on file for 21217108 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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