21314720

21,314,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 21314720 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 48 divisors.

21314720 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 21314720:

2⁵ × 5 × 7 × 19031

(2 × 2 × 2 × 2 × 2 × 5 × 7 × 19031)

See below for interesting mathematical facts about the number 21314720 from the Numbermatics database.

Names of 21314720

Cardinal: 21314720 can be written as Twenty-one million, three hundred fourteen thousand, seven hundred twenty.

Scientific notation

Scientific notation: 2.131472 × 10⁷

Factors of 21314720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 19045

Divisors of 21314720

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 19031 38062 76124 95155 133217 152248 190310 266434 304496 380620 532868 608992 666085 761240 1065736 1332170 1522480 2131472 2664340 3044960 4262944 5328680 10657360 21314720
Sum of all divisors σ(n): 57552768
Sum of proper divisors (its aliquot sum) s(n): 36238048
21314720 is an abundant number, because the sum of its proper divisors (36238048) is greater than itself. Its abundance is 14923328

Bases of 21314720

Binary: 1010001010011110010100000₂
Hexadecimal: 0x1453CA0
Base-36: COUJK

Squares and roots of 21314720

21314720 squared (21314720²) is 454317288678400
21314720 cubed (21314720³) is 9683645799339266048000
The square root of 21314720 is 4616.7867613741
The cube root of 21314720 is 277.2638252417

Scales and comparisons

How big is 21314720?

21,314,720 seconds is equal to 35 weeks, 1 day, 16 hours, 45 minutes, 20 seconds.
To count from 1 to 21,314,720 would take you about six 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 21314720 cubic inches would be around 23.1 feet tall.

Recreational maths with 21314720

21314720 backwards is 02741312
21314720 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 21314720's digits is 20
More coming soon!

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The information we have on file for 21314720 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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