21974988

21,974,988 is an even composite number composed of five prime numbers multiplied together.

What does the number 21974988 look like?

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

21974988 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 21974988:

2² × 3 × 7 × 131 × 1997

(2 × 2 × 3 × 7 × 131 × 1997)

See below for interesting mathematical facts about the number 21974988 from the Numbermatics database.

Names of 21974988

Cardinal: 21974988 can be written as Twenty-one million, nine hundred seventy-four thousand, nine hundred eighty-eight.

Scientific notation

Scientific notation: 2.1974988 × 10⁷

Factors of 21974988

Number of distinct prime factors ω(n): 5
Total number of prime factors Ω(n): 6
Sum of prime factors: 2140

Divisors of 21974988

Number of divisors d(n): 48
Complete list of divisors:
1 2 3 4 6 7 12 14 21 28 42 84 131 262 393 524 786 917 1572 1834 1997 2751 3668 3994 5502 5991 7988 11004 11982 13979 23964 27958 41937 55916 83874 167748 261607 523214 784821 1046428 1569642 1831249 3139284 3662498 5493747 7324996 10987494 21974988
Sum of all divisors σ(n): 59076864
Sum of proper divisors (its aliquot sum) s(n): 37101876
21974988 is an abundant number, because the sum of its proper divisors (37101876) is greater than itself. Its abundance is 15126888

Bases of 21974988

Binary: 1010011110100111111001100₂
Hexadecimal: 0x14F4FCC
Base-36: D300C

Squares and roots of 21974988

21974988 squared (21974988²) is 482900097600144
21974988 cubed (21974988³) is 10611723849961993198272
The square root of 21974988 is 4687.7487134019
The cube root of 21974988 is 280.0977039981

Scales and comparisons

How big is 21974988?

21,974,988 seconds is equal to 36 weeks, 2 days, 8 hours, 9 minutes, 48 seconds.
To count from 1 to 21,974,988 would take you about two 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 21974988 cubic inches would be around 23.3 feet tall.

Recreational maths with 21974988

21974988 backwards is 88947912
The number of decimal digits it has is: 8
The sum of 21974988's digits is 48
More coming soon!

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The information we have on file for 21974988 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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