20387120

20,387,120 is an even composite number composed of four prime numbers multiplied together.

What does the number 20387120 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

20387120 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 20387120:

2⁴ × 5 × 13 × 19603

(2 × 2 × 2 × 2 × 5 × 13 × 19603)

See below for interesting mathematical facts about the number 20387120 from the Numbermatics database.

Names of 20387120

Cardinal: 20387120 can be written as Twenty million, three hundred eighty-seven thousand, one hundred twenty.

Scientific notation

Scientific notation: 2.038712 × 10⁷

Factors of 20387120

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 19623

Divisors of 20387120

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 19603 39206 78412 98015 156824 196030 254839 313648 392060 509678 784120 1019356 1274195 1568240 2038712 2548390 4077424 5096780 10193560 20387120
Sum of all divisors σ(n): 51048816
Sum of proper divisors (its aliquot sum) s(n): 30661696
20387120 is an abundant number, because the sum of its proper divisors (30661696) is greater than itself. Its abundance is 10274576

Bases of 20387120

Binary: 1001101110001010100110000₂
Hexadecimal: 0x1371530
Base-36: C4YSW

Squares and roots of 20387120

20387120 squared (20387120²) is 415634661894400
20387120 cubed (20387120³) is 8473593728200560128000
The square root of 20387120 is 4515.2098511587
The cube root of 20387120 is 273.1819242085

Scales and comparisons

How big is 20387120?

20,387,120 seconds is equal to 33 weeks, 4 days, 23 hours, 5 minutes, 20 seconds.
To count from 1 to 20,387,120 would take you about fifty 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 20387120 cubic inches would be around 22.8 feet tall.

Recreational maths with 20387120

20387120 backwards is 02178302
The number of decimal digits it has is: 8
The sum of 20387120's digits is 23
More coming soon!

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The information we have on file for 20387120 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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