20988139

20,988,139 is an odd composite number composed of two prime numbers multiplied together.

What does the number 20988139 look like?

This visualization shows the relationship between its 2 prime factors (large circles) and 6 divisors.

20988139 is an odd composite number. It is composed of two distinct prime numbers multiplied together. It has a total of six divisors.

Prime factorization of 20988139:

37² × 15331

(37 × 37 × 15331)

See below for interesting mathematical facts about the number 20988139 from the Numbermatics database.

Names of 20988139

Cardinal: 20988139 can be written as Twenty million, nine hundred eighty-eight thousand, one hundred thirty-nine.

Scientific notation

Scientific notation: 2.0988139 × 10⁷

Factors of 20988139

Number of distinct prime factors ω(n): 2
Total number of prime factors Ω(n): 3
Sum of prime factors: 15368

Divisors of 20988139

Number of divisors d(n): 6
Complete list of divisors:
1 37 1369 15331 567247 20988139
Sum of all divisors σ(n): 21572124
Sum of proper divisors (its aliquot sum) s(n): 583985
20988139 is a deficient number, because the sum of its proper divisors (583985) is less than itself. Its deficiency is 20404154

Bases of 20988139

Binary: 1010000000100000011101011₂
Hexadecimal: 0x14040EB
Base-36: CHUJV

Squares and roots of 20988139

20988139 squared (20988139²) is 440501978683321
20988139 cubed (20988139³) is 9245316758380578129619
The square root of 20988139 is 4581.2813709703
The cube root of 20988139 is 275.8404656343

Scales and comparisons

How big is 20988139?

20,988,139 seconds is equal to 34 weeks, 4 days, 22 hours, 2 minutes, 19 seconds.
To count from 1 to 20,988,139 would take you about nine 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 20988139 cubic inches would be around 23 feet tall.

Recreational maths with 20988139

20988139 backwards is 93188902
The number of decimal digits it has is: 8
The sum of 20988139's digits is 40
More coming soon!

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The information we have on file for 20988139 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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