20642880

20,642,880 is an even composite number composed of four prime numbers multiplied together.

What does the number 20642880 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 56 divisors.

20642880 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of fifty-six divisors.

Prime factorization of 20642880:

2⁶ × 3 × 5 × 21503

(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 21503)

See below for interesting mathematical facts about the number 20642880 from the Numbermatics database.

Names of 20642880

Cardinal: 20642880 can be written as Twenty million, six hundred forty-two thousand, eight hundred eighty.

Scientific notation

Scientific notation: 2.064288 × 10⁷

Factors of 20642880

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 9
Sum of prime factors: 21513

Divisors of 20642880

Number of divisors d(n): 56
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 960 21503 43006 64509 86012 107515 129018 172024 215030 258036 322545 344048 430060 516072 645090 688096 860120 1032144 1290180 1376192 1720240 2064288 2580360 3440480 4128576 5160720 6880960 10321440 20642880
Sum of all divisors σ(n): 65544192
Sum of proper divisors (its aliquot sum) s(n): 44901312
20642880 is an abundant number, because the sum of its proper divisors (44901312) is greater than itself. Its abundance is 24258432

Bases of 20642880

Binary: 1001110101111110001000000₂
Hexadecimal: 0x13AFC40
Base-36: CAG5C

Squares and roots of 20642880

20642880 squared (20642880²) is 426128494694400
20642880 cubed (20642880³) is 8796519380557135872000
The square root of 20642880 is 4543.4436279105
The cube root of 20642880 is 274.3195518769

Scales and comparisons

How big is 20642880?

20,642,880 seconds is equal to 34 weeks, 22 hours, 8 minutes.
To count from 1 to 20,642,880 would take you about fifty-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 20642880 cubic inches would be around 22.9 feet tall.

Recreational maths with 20642880

20642880 backwards is 08824602
20642880 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 20642880's digits is 30
More coming soon!

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The information we have on file for 20642880 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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