21724140

21,724,140 is an even composite number composed of four prime numbers multiplied together.

What does the number 21724140 look like?

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

21724140 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of twenty-four divisors.

Prime factorization of 21724140:

2² × 3 × 5 × 362069

(2 × 2 × 3 × 5 × 362069)

See below for interesting mathematical facts about the number 21724140 from the Numbermatics database.

Names of 21724140

Cardinal: 21724140 can be written as Twenty-one million, seven hundred twenty-four thousand, one hundred forty.

Scientific notation

Scientific notation: 2.172414 × 10⁷

Factors of 21724140

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 5
Sum of prime factors: 362079

Divisors of 21724140

Number of divisors d(n): 24
Complete list of divisors:
1 2 3 4 5 6 10 12 15 20 30 60 362069 724138 1086207 1448276 1810345 2172414 3620690 4344828 5431035 7241380 10862070 21724140
Sum of all divisors σ(n): 60827760
Sum of proper divisors (its aliquot sum) s(n): 39103620
21724140 is an abundant number, because the sum of its proper divisors (39103620) is greater than itself. Its abundance is 17379480

Bases of 21724140

Binary: 1010010110111101111101100₂
Hexadecimal: 0x14B7BEC
Base-36: CXMGC

Squares and roots of 21724140

21724140 squared (21724140²) is 471938258739600
21724140 cubed (21724140³) is 10252452804215293944000
The square root of 21724140 is 4660.9162189423
The cube root of 21724140 is 279.0278360223

Scales and comparisons

How big is 21724140?

21,724,140 seconds is equal to 35 weeks, 6 days, 10 hours, 29 minutes.
To count from 1 to 21,724,140 would take you about six days!

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 21724140 cubic inches would be around 23.3 feet tall.

Recreational maths with 21724140

21724140 backwards is 04142712
The number of decimal digits it has is: 8
The sum of 21724140's digits is 21
More coming soon!

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The information we have on file for 21724140 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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