20704840
20,704,840 is an even composite number composed of five prime numbers multiplied together.
20704840 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 20704840:
23 × 5 × 13 × 29 × 1373
(2 × 2 × 2 × 5 × 13 × 29 × 1373)See below for interesting mathematical facts about the number 20704840 from the Numbermatics database.
Names of 20704840
- Cardinal: 20704840 can be written as Twenty million, seven hundred four thousand, eight hundred forty.
Scientific notation
- Scientific notation: 2.070484 × 107
Factors of 20704840
Divisors of 20704840
- Number of divisors d(n): 64
-
Complete list of divisors:
1 2 4 5 8 10 13 20 26 29 40 52 58 65 104 116 130 145 232 260 290 377 520 580 754 1160 1373 1508 1885 2746 3016 3770 5492 6865 7540 10984 13730 15080 17849 27460 35698 39817 54920 71396 79634 89245 142792 159268 178490 199085 318536 356980 398170 517621 713960 796340 1035242 1592680 2070484 2588105 4140968 5176210 10352420 20704840
- Sum of all divisors σ(n): 51937200
- Sum of proper divisors (its aliquot sum) s(n): 31232360
- 20704840 is an abundant number, because the sum of its proper divisors (31232360) is greater than itself. Its abundance is 10527520
Bases of 20704840
- Binary: 10011101111101110010010002
- Hexadecimal: 0x13BEE48
- Base-36: CBRYG
Squares and roots of 20704840
- 20704840 squared (207048402) is 428690399425600
- 20704840 cubed (207048403) is 8875966129643139904000
-
The
square root of 20704840 is 4550.2571355913 -
The
cube root of 20704840 is 274.5937362009
Scales and comparisons
How big is 20704840?- 20,704,840 seconds is equal to 34 weeks, 1 day, 15 hours, 20 minutes, 40 seconds.
-
To count from 1 to 20,704,840 would take you about fifty-one 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 20704840 cubic inches would be around 22.9 feet tall.
Recreational maths with 20704840
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The information we have on file for 20704840 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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