28212723

28,212,723 is an odd composite number composed of four prime numbers multiplied together.

What does the number 28212723 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 36 divisors.

28212723 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of thirty-six divisors.

Prime factorization of 28212723:

3² × 7 × 11² × 3701

(3 × 3 × 7 × 11 × 11 × 3701)

See below for interesting mathematical facts about the number 28212723 from the Numbermatics database.

Names of 28212723

Cardinal: 28212723 can be written as Twenty-eight million, two hundred twelve thousand, seven hundred twenty-three.

Scientific notation

Scientific notation: 2.8212723 × 10⁷

Factors of 28212723

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 6
Sum of prime factors: 3722

Divisors of 28212723

Number of divisors d(n): 36
Complete list of divisors:
1 3 7 9 11 21 33 63 77 99 121 231 363 693 847 1089 2541 3701 7623 11103 25907 33309 40711 77721 122133 233163 284977 366399 447821 854931 1343463 2564793 3134747 4030389 9404241 28212723
Sum of all divisors σ(n): 51206064
Sum of proper divisors (its aliquot sum) s(n): 22993341
28212723 is a deficient number, because the sum of its proper divisors (22993341) is less than itself. Its deficiency is 5219382

Bases of 28212723

Binary: 1101011100111110111110011₂
Hexadecimal: 0x1AE7DF3
Base-36: GSP2R

Squares and roots of 28212723

28212723 squared (28212723²) is 795957739074729
28212723 cubed (28212723³) is 22456135212221605577067
The square root of 28212723 is 5311.5650236065
The cube root of 28212723 is 304.4259488125

Scales and comparisons

How big is 28212723?

28,212,723 seconds is equal to 46 weeks, 4 days, 12 hours, 52 minutes, 3 seconds.
To count from 1 to 28,212,723 would take you about seventeen 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 28212723 cubic inches would be around 25.4 feet tall.

Recreational maths with 28212723

28212723 backwards is 32721282
The number of decimal digits it has is: 8
The sum of 28212723's digits is 27
More coming soon!

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The information we have on file for 28212723 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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