28066440
28,066,440 is an even composite number composed of five prime numbers multiplied together.
28066440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 28066440:
23 × 3 × 5 × 23 × 10169
(2 × 2 × 2 × 3 × 5 × 23 × 10169)See below for interesting mathematical facts about the number 28066440 from the Numbermatics database.
Names of 28066440
- Cardinal: 28066440 can be written as Twenty-eight million, sixty-six thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.806644 × 107
Factors of 28066440
Divisors of 28066440
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 20 23 24 30 40 46 60 69 92 115 120 138 184 230 276 345 460 552 690 920 1380 2760 10169 20338 30507 40676 50845 61014 81352 101690 122028 152535 203380 233887 244056 305070 406760 467774 610140 701661 935548 1169435 1220280 1403322 1871096 2338870 2806644 3508305 4677740 5613288 7016610 9355480 14033220 28066440
- Sum of all divisors σ(n): 87868800
- Sum of proper divisors (its aliquot sum) s(n): 59802360
- 28066440 is an abundant number, because the sum of its proper divisors (59802360) is greater than itself. Its abundance is 31735920
Bases of 28066440
- Binary: 11010110001000010100010002
- Hexadecimal: 0x1AC4288
- Base-36: GPK7C
Squares and roots of 28066440
- 28066440 squared (280664402) is 787725054273600
- 28066440 cubed (280664403) is 22108637972266737984000
-
The
square root of 28066440 is 5297.7768922445 -
The
cube root of 28066440 is 303.8988871949
Scales and comparisons
How big is 28066440?- 28,066,440 seconds is equal to 46 weeks, 2 days, 20 hours, 14 minutes.
-
To count from 1 to 28,066,440 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 28066440 cubic inches would be around 25.3 feet tall.
Recreational maths with 28066440
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The information we have on file for 28066440 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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