20400090

20,400,090 is an even composite number composed of four prime numbers multiplied together.

What does the number 20400090 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

20400090 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 20400090:

2 × 3 × 5 × 680003

See below for interesting mathematical facts about the number 20400090 from the Numbermatics database.

Names of 20400090

Cardinal: 20400090 can be written as Twenty million, four hundred thousand and ninety.

Scientific notation

Scientific notation: 2.040009 × 10⁷

Factors of 20400090

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 680013

Divisors of 20400090

Number of divisors d(n): 16
Complete list of divisors:
1 2 3 5 6 10 15 30 680003 1360006 2040009 3400015 4080018 6800030 10200045 20400090
Sum of all divisors σ(n): 48960288
Sum of proper divisors (its aliquot sum) s(n): 28560198
20400090 is an abundant number, because the sum of its proper divisors (28560198) is greater than itself. Its abundance is 8160108

Bases of 20400090

Binary: 1001101110100011111011010₂
Hexadecimal: 0x13747DA
Base-36: C58T6

Squares and roots of 20400090

20400090 squared (20400090²) is 416163672008100
20400090 cubed (20400090³) is 8489776363695720729000
The square root of 20400090 is 4516.6458794109
The cube root of 20400090 is 273.2398434315

Scales and comparisons

How big is 20400090?

20,400,090 seconds is equal to 33 weeks, 5 days, 2 hours, 41 minutes, 30 seconds.
To count from 1 to 20,400,090 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 20400090 cubic inches would be around 22.8 feet tall.

Recreational maths with 20400090

20400090 backwards is 09000402
20400090 is a Harshad number.
The number of decimal digits it has is: 8
The sum of 20400090's digits is 15
More coming soon!

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The information we have on file for 20400090 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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