21451016

21,451,016 is an even composite number composed of four prime numbers multiplied together.

What does the number 21451016 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 32 divisors.

21451016 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-two divisors.

Prime factorization of 21451016:

2³ × 61 × 113 × 389

(2 × 2 × 2 × 61 × 113 × 389)

See below for interesting mathematical facts about the number 21451016 from the Numbermatics database.

Names of 21451016

Cardinal: 21451016 can be written as Twenty-one million, four hundred fifty-one thousand and sixteen.

Scientific notation

Scientific notation: 2.1451016 × 10⁷

Factors of 21451016

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 565

Divisors of 21451016

Number of divisors d(n): 32
Complete list of divisors:
1 2 4 8 61 113 122 226 244 389 452 488 778 904 1556 3112 6893 13786 23729 27572 43957 47458 55144 87914 94916 175828 189832 351656 2681377 5362754 10725508 21451016
Sum of all divisors σ(n): 41347800
Sum of proper divisors (its aliquot sum) s(n): 19896784
21451016 is a deficient number, because the sum of its proper divisors (19896784) is less than itself. Its deficiency is 1554232

Bases of 21451016

Binary: 1010001110101000100001000₂
Hexadecimal: 0x1475108
Base-36: CRRPK

Squares and roots of 21451016

21451016 squared (21451016²) is 460146087432256
21451016 cubed (21451016³) is 9870601083846722372096
The square root of 21451016 is 4631.5241551783
The cube root of 21451016 is 277.8535536321

Scales and comparisons

How big is 21451016?

21,451,016 seconds is equal to 35 weeks, 3 days, 6 hours, 36 minutes, 56 seconds.
To count from 1 to 21,451,016 would take you about nine 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 21451016 cubic inches would be around 23.2 feet tall.

Recreational maths with 21451016

21451016 backwards is 61015412
The number of decimal digits it has is: 8
The sum of 21451016's digits is 20
More coming soon!

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The information we have on file for 21451016 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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