20000643

20,000,643 is an odd composite number composed of four prime numbers multiplied together.

What does the number 20000643 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 24 divisors.

20000643 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 20000643:

3 × 13² × 103 × 383

(3 × 13 × 13 × 103 × 383)

See below for interesting mathematical facts about the number 20000643 from the Numbermatics database.

Names of 20000643

Cardinal: 20000643 can be written as Twenty million, six hundred forty-three.

Scientific notation

Scientific notation: 2.0000643 × 10⁷

Factors of 20000643

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 502

Divisors of 20000643

Number of divisors d(n): 24
Complete list of divisors:
1 3 13 39 103 169 309 383 507 1149 1339 4017 4979 14937 17407 39449 52221 64727 118347 194181 512837 1538511 6666881 20000643
Sum of all divisors σ(n): 29233152
Sum of proper divisors (its aliquot sum) s(n): 9232509
20000643 is a deficient number, because the sum of its proper divisors (9232509) is less than itself. Its deficiency is 10768134

Bases of 20000643

Binary: 1001100010010111110000011₂
Hexadecimal: 0x1312F83
Base-36: BWOLF

Squares and roots of 20000643

20000643 squared (20000643²) is 400025720413449
20000643 cubed (20000643³) is 8000771624807205847707
The square root of 20000643 is 4472.2078440073
The cube root of 20000643 is 271.4446705791

Scales and comparisons

How big is 20000643?

20,000,643 seconds is equal to 33 weeks, 11 hours, 44 minutes, 3 seconds.
To count from 1 to 20,000,643 would take you about forty-nine 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 20000643 cubic inches would be around 22.6 feet tall.

Recreational maths with 20000643

20000643 backwards is 34600002
The number of decimal digits it has is: 8
The sum of 20000643's digits is 15
More coming soon!

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The information we have on file for 20000643 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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