20996990

20,996,990 is an even composite number composed of five prime numbers multiplied together.

What does the number 20996990 look like?

This visualization shows the relationship between its 5 prime factors (large circles) and 48 divisors.

20996990 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of forty-eight divisors.

Prime factorization of 20996990:

2 × 5 × 7² × 73 × 587

(2 × 5 × 7 × 7 × 73 × 587)

See below for interesting mathematical facts about the number 20996990 from the Numbermatics database.

Names of 20996990

Cardinal: 20996990 can be written as Twenty million, nine hundred ninety-six thousand, nine hundred ninety.

Scientific notation

Scientific notation: 2.099699 × 10⁷

Factors of 20996990

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 674

Divisors of 20996990

Number of divisors d(n): 48
Complete list of divisors:
1 2 5 7 10 14 35 49 70 73 98 146 245 365 490 511 587 730 1022 1174 2555 2935 3577 4109 5110 5870 7154 8218 17885 20545 28763 35770 41090 42851 57526 85702 143815 214255 287630 299957 428510 599914 1499785 2099699 2999570 4199398 10498495 20996990
Sum of all divisors σ(n): 44643312
Sum of proper divisors (its aliquot sum) s(n): 23646322
20996990 is an abundant number, because the sum of its proper divisors (23646322) is greater than itself. Its abundance is 2649332

Bases of 20996990

Binary: 1010000000110001101111110₂
Hexadecimal: 0x140637E
Base-36: CI1DQ

Squares and roots of 20996990

20996990 squared (20996990²) is 440873589060100
20996990 cubed (20996990³) is 9257018340759029099000
The square root of 20996990 is 4582.2472652619
The cube root of 20996990 is 275.8792354817

Scales and comparisons

How big is 20996990?

20,996,990 seconds is equal to 34 weeks, 5 days, 29 minutes, 50 seconds.
To count from 1 to 20,996,990 would take you about twelve hours!

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 20996990 cubic inches would be around 23 feet tall.

Recreational maths with 20996990

20996990 backwards is 09969902
The number of decimal digits it has is: 8
The sum of 20996990's digits is 44
More coming soon!

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The information we have on file for 20996990 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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