21445137

21,445,137 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21445137 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

21445137 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21445137:

3² × 7 × 73 × 4663

(3 × 3 × 7 × 73 × 4663)

See below for interesting mathematical facts about the number 21445137 from the Numbermatics database.

Names of 21445137

Cardinal: 21445137 can be written as Twenty-one million, four hundred forty-five thousand, one hundred thirty-seven.

Scientific notation

Scientific notation: 2.1445137 × 10⁷

Factors of 21445137

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 4746

Divisors of 21445137

Number of divisors d(n): 24
Complete list of divisors:
1 3 7 9 21 63 73 219 511 657 1533 4599 4663 13989 32641 41967 97923 293769 340399 1021197 2382793 3063591 7148379 21445137
Sum of all divisors σ(n): 35894144
Sum of proper divisors (its aliquot sum) s(n): 14449007
21445137 is a deficient number, because the sum of its proper divisors (14449007) is less than itself. Its deficiency is 6996130

Bases of 21445137

Binary: 1010001110011101000010001₂
Hexadecimal: 0x1473A11
Base-36: CRN69

Squares and roots of 21445137

21445137 squared (21445137²) is 459893900948769
21445137 cubed (21445137³) is 9862487711310781186353
The square root of 21445137 is 4630.8894394057
The cube root of 21445137 is 277.8281678835

Scales and comparisons

How big is 21445137?

21,445,137 seconds is equal to 35 weeks, 3 days, 4 hours, 58 minutes, 57 seconds.
To count from 1 to 21,445,137 would take you about seven hours!

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 21445137 cubic inches would be around 23.2 feet tall.

Recreational maths with 21445137

21445137 backwards is 73154412
The number of decimal digits it has is: 8
The sum of 21445137's digits is 27
More coming soon!

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The information we have on file for 21445137 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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