12639720

12,639,720 is an even composite number composed of four prime numbers multiplied together.

What does the number 12639720 look like?

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

12639720 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 12639720:

2³ × 3 × 5 × 105331

(2 × 2 × 2 × 3 × 5 × 105331)

See below for interesting mathematical facts about the number 12639720 from the Numbermatics database.

Names of 12639720

Cardinal: 12639720 can be written as Twelve million, six hundred thirty-nine thousand, seven hundred twenty.

Scientific notation

Scientific notation: 1.263972 × 10⁷

Factors of 12639720

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 105341

Divisors of 12639720

Number of divisors d(n): 32
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 105331 210662 315993 421324 526655 631986 842648 1053310 1263972 1579965 2106620 2527944 3159930 4213240 6319860 12639720
Sum of all divisors σ(n): 37919520
Sum of proper divisors (its aliquot sum) s(n): 25279800
12639720 is an abundant number, because the sum of its proper divisors (25279800) is greater than itself. Its abundance is 12640080

Bases of 12639720

Binary: 110000001101110111101000₂
Hexadecimal: 0xC0DDE8
Base-36: 7IWVC

Squares and roots of 12639720

12639720 squared (12639720²) is 159762521678400
12639720 cubed (12639720³) is 2019353540508906048000
The square root of 12639720 is 3555.2383886315
The cube root of 12639720 is 232.9409368489

Scales and comparisons

How big is 12639720?

12,639,720 seconds is equal to 20 weeks, 6 days, 7 hours, 2 minutes.
To count from 1 to 12,639,720 would take you about thirty-one 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 12639720 cubic inches would be around 19.4 feet tall.

Recreational maths with 12639720

12639720 backwards is 02793621
12639720 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 12639720's digits is 30
More coming soon!

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The information we have on file for 12639720 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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