20381984

20,381,984 is an even composite number composed of four prime numbers multiplied together.

What does the number 20381984 look like?

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

20381984 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 20381984:

2⁵ × 7 × 19 × 4789

(2 × 2 × 2 × 2 × 2 × 7 × 19 × 4789)

See below for interesting mathematical facts about the number 20381984 from the Numbermatics database.

Names of 20381984

Cardinal: 20381984 can be written as Twenty million, three hundred eighty-one thousand, nine hundred eighty-four.

Scientific notation

Scientific notation: 2.0381984 × 10⁷

Factors of 20381984

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 8
Sum of prime factors: 4817

Divisors of 20381984

Number of divisors d(n): 48
Complete list of divisors:
1 2 4 7 8 14 16 19 28 32 38 56 76 112 133 152 224 266 304 532 608 1064 2128 4256 4789 9578 19156 33523 38312 67046 76624 90991 134092 153248 181982 268184 363964 536368 636937 727928 1072736 1273874 1455856 2547748 2911712 5095496 10190992 20381984
Sum of all divisors σ(n): 48283200
Sum of proper divisors (its aliquot sum) s(n): 27901216
20381984 is an abundant number, because the sum of its proper divisors (27901216) is greater than itself. Its abundance is 7519232

Bases of 20381984

Binary: 1001101110000000100100000₂
Hexadecimal: 0x1370120
Base-36: C4UU8

Squares and roots of 20381984

20381984 squared (20381984²) is 415425271776256
20381984 cubed (20381984³) is 8467191242539301371904
The square root of 20381984 is 4514.6410710045
The cube root of 20381984 is 273.1589819423

Scales and comparisons

How big is 20381984?

20,381,984 seconds is equal to 33 weeks, 4 days, 21 hours, 39 minutes, 44 seconds.
To count from 1 to 20,381,984 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 20381984 cubic inches would be around 22.8 feet tall.

Recreational maths with 20381984

20381984 backwards is 48918302
The number of decimal digits it has is: 8
The sum of 20381984's digits is 35
More coming soon!

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The information we have on file for 20381984 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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