21013055

21,013,055 is an odd composite number composed of four prime numbers multiplied together.

What does the number 21013055 look like?

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

21013055 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 21013055:

5 × 7 × 131 × 4583

See below for interesting mathematical facts about the number 21013055 from the Numbermatics database.

Names of 21013055

Cardinal: 21013055 can be written as Twenty-one million, thirteen thousand and fifty-five.

Scientific notation

Scientific notation: 2.1013055 × 10⁷

Factors of 21013055

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 4726

Divisors of 21013055

Number of divisors d(n): 16
Complete list of divisors:
1 5 7 35 131 655 917 4583 4585 22915 32081 160405 600373 3001865 4202611 21013055
Sum of all divisors σ(n): 29044224
Sum of proper divisors (its aliquot sum) s(n): 8031169
21013055 is a deficient number, because the sum of its proper divisors (8031169) is less than itself. Its deficiency is 12981886

Bases of 21013055

Binary: 1010000001010001000111111₂
Hexadecimal: 0x140A23F
Base-36: CIDRZ

Squares and roots of 21013055

21013055 squared (21013055²) is 441548480433025
21013055 cubed (21013055³) is 9278282504505578141375
The square root of 21013055 is 4583.9998909249
The cube root of 21013055 is 275.9495768349

Scales and comparisons

How big is 21013055?

21,013,055 seconds is equal to 34 weeks, 5 days, 4 hours, 57 minutes, 35 seconds.
To count from 1 to 21,013,055 would take you about nineteen 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 21013055 cubic inches would be around 23 feet tall.

Recreational maths with 21013055

21013055 backwards is 55031012
The number of decimal digits it has is: 8
The sum of 21013055's digits is 17
More coming soon!

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The information we have on file for 21013055 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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