16393221

16,393,221 is an odd composite number composed of four prime numbers multiplied together.

What does the number 16393221 look like?

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

16393221 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 16393221:

3² × 13 × 167 × 839

(3 × 3 × 13 × 167 × 839)

See below for interesting mathematical facts about the number 16393221 from the Numbermatics database.

Names of 16393221

Cardinal: 16393221 can be written as Sixteen million, three hundred ninety-three thousand, two hundred twenty-one.

Scientific notation

Scientific notation: 1.6393221 × 10⁷

Factors of 16393221

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 1022

Divisors of 16393221

Number of divisors d(n): 24
Complete list of divisors:
1 3 9 13 39 117 167 501 839 1503 2171 2517 6513 7551 10907 19539 32721 98163 140113 420339 1261017 1821469 5464407 16393221
Sum of all divisors σ(n): 25683840
Sum of proper divisors (its aliquot sum) s(n): 9290619
16393221 is a deficient number, because the sum of its proper divisors (9290619) is less than itself. Its deficiency is 7102602

Bases of 16393221

Binary: 111110100010010000000101₂
Hexadecimal: 0xFA2405
Base-36: 9RD39

Squares and roots of 16393221

16393221 squared (16393221²) is 268737694754841
16393221 cubed (16393221³) is 4405476421146649332861
The square root of 16393221 is 4048.8542823865
The cube root of 16393221 is 254.0318072471

Scales and comparisons

How big is 16393221?

16,393,221 seconds is equal to 27 weeks, 17 hours, 40 minutes, 21 seconds.
To count from 1 to 16,393,221 would take you about forty 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 16393221 cubic inches would be around 21.2 feet tall.

Recreational maths with 16393221

16393221 backwards is 12239361
The number of decimal digits it has is: 8
The sum of 16393221's digits is 27
More coming soon!

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The information we have on file for 16393221 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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