21689031

21,689,031 is an odd composite number composed of five prime numbers multiplied together.

What does the number 21689031 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 32 divisors.

21689031 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21689031:

3 × 7 × 13 × 53 × 1499

See below for interesting mathematical facts about the number 21689031 from the Numbermatics database.

Names of 21689031

Cardinal: 21689031 can be written as Twenty-one million, six hundred eighty-nine thousand and thirty-one.

Scientific notation

Scientific notation: 2.1689031 × 10⁷

Factors of 21689031

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 5
Sum of prime factors: 1575

Divisors of 21689031

Number of divisors d(n): 32
Complete list of divisors:
1 3 7 13 21 39 53 91 159 273 371 689 1113 1499 2067 4497 4823 10493 14469 19487 31479 58461 79447 136409 238341 409227 556129 1032811 1668387 3098433 7229677 21689031
Sum of all divisors σ(n): 36288000
Sum of proper divisors (its aliquot sum) s(n): 14598969
21689031 is a deficient number, because the sum of its proper divisors (14598969) is less than itself. Its deficiency is 7090062

Bases of 21689031

Binary: 1010010101111001011000111₂
Hexadecimal: 0x14AF2C7
Base-36: CWVD3

Squares and roots of 21689031

21689031 squared (21689031²) is 470414065718961
21689031 cubed (21689031³) is 10202825254214582416791
The square root of 21689031 is 4657.1483764209
The cube root of 21689031 is 278.8774400353

Scales and comparisons

How big is 21689031?

21,689,031 seconds is equal to 35 weeks, 6 days, 43 minutes, 51 seconds.
To count from 1 to 21,689,031 would take you about five 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 21689031 cubic inches would be around 23.2 feet tall.

Recreational maths with 21689031

21689031 backwards is 13098612
The number of decimal digits it has is: 8
The sum of 21689031's digits is 30
More coming soon!

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The information we have on file for 21689031 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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