13021645

13,021,645 is an odd composite number composed of four prime numbers multiplied together.

What does the number 13021645 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

13021645 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 13021645:

5 × 7 × 13 × 28619

See below for interesting mathematical facts about the number 13021645 from the Numbermatics database.

Names of 13021645

Cardinal: 13021645 can be written as Thirteen million, twenty-one thousand, six hundred forty-five.

Scientific notation

Scientific notation: 1.3021645 × 10⁷

Factors of 13021645

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 28644

Divisors of 13021645

Number of divisors d(n): 16
Complete list of divisors:
1 5 7 13 35 65 91 455 28619 143095 200333 372047 1001665 1860235 2604329 13021645
Sum of all divisors σ(n): 19232640
Sum of proper divisors (its aliquot sum) s(n): 6210995
13021645 is a deficient number, because the sum of its proper divisors (6210995) is less than itself. Its deficiency is 6810650

Bases of 13021645

Binary: 110001101011000111001101₂
Hexadecimal: 0xC6B1CD
Base-36: 7R3KD

Squares and roots of 13021645

13021645 squared (13021645²) is 169563238506025
13021645 cubed (13021645³) is 2207992296875787911125
The square root of 13021645 is 3608.5516485149
The cube root of 13021645 is 235.2638954871

Scales and comparisons

How big is 13021645?

13,021,645 seconds is equal to 21 weeks, 3 days, 17 hours, 7 minutes, 25 seconds.
To count from 1 to 13,021,645 would take you about thirty-two weeks!

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 13021645 cubic inches would be around 19.6 feet tall.

Recreational maths with 13021645

13021645 backwards is 54612031
The number of decimal digits it has is: 8
The sum of 13021645's digits is 22
More coming soon!

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The information we have on file for 13021645 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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