21490771

21,490,771 is an odd composite number composed of three prime numbers multiplied together.

What does the number 21490771 look like?

This visualization shows the relationship between its 3 prime factors (large circles) and 8 divisors.

21490771 is an odd composite number. It is composed of three distinct prime numbers multiplied together. It has a total of eight divisors.

Prime factorization of 21490771:

17 × 227 × 5569

See below for interesting mathematical facts about the number 21490771 from the Numbermatics database.

Names of 21490771

Cardinal: 21490771 can be written as Twenty-one million, four hundred ninety thousand, seven hundred seventy-one.

Scientific notation

Scientific notation: 2.1490771 × 10⁷

Factors of 21490771

Number of distinct prime factors ω(n): 3
Total number of prime factors Ω(n): 3
Sum of prime factors: 5813

Divisors of 21490771

Number of divisors d(n): 8
Complete list of divisors:
1 17 227 3859 5569 94673 1264163 21490771
Sum of all divisors σ(n): 22859280
Sum of proper divisors (its aliquot sum) s(n): 1368509
21490771 is a deficient number, because the sum of its proper divisors (1368509) is less than itself. Its deficiency is 20122262

Bases of 21490771

Binary: 1010001111110110001010011₂
Hexadecimal: 0x147EC53
Base-36: CSMDV

Squares and roots of 21490771

21490771 squared (21490771²) is 461853238174441
21490771 cubed (21490771³) is 9925582177215369584011
The square root of 21490771 is 4635.8139522633
The cube root of 21490771 is 278.0250956419

Scales and comparisons

How big is 21490771?

21,490,771 seconds is equal to 35 weeks, 3 days, 17 hours, 39 minutes, 31 seconds.
To count from 1 to 21,490,771 would take you about two 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 21490771 cubic inches would be around 23.2 feet tall.

Recreational maths with 21490771

21490771 backwards is 17709412
The number of decimal digits it has is: 8
The sum of 21490771's digits is 31
More coming soon!

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The information we have on file for 21490771 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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