20711440
20,711,440 is an even composite number composed of five prime numbers multiplied together.
20711440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of eighty divisors.
Prime factorization of 20711440:
24 × 5 × 17 × 97 × 157
(2 × 2 × 2 × 2 × 5 × 17 × 97 × 157)See below for interesting mathematical facts about the number 20711440 from the Numbermatics database.
Names of 20711440
- Cardinal: 20711440 can be written as Twenty million, seven hundred eleven thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.071144 × 107
Factors of 20711440
Divisors of 20711440
- Number of divisors d(n): 80
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 34 40 68 80 85 97 136 157 170 194 272 314 340 388 485 628 680 776 785 970 1256 1360 1552 1570 1649 1940 2512 2669 3140 3298 3880 5338 6280 6596 7760 8245 10676 12560 13192 13345 15229 16490 21352 26384 26690 30458 32980 42704 53380 60916 65960 76145 106760 121832 131920 152290 213520 243664 258893 304580 517786 609160 1035572 1218320 1294465 2071144 2588930 4142288 5177860 10355720 20711440
- Sum of all divisors σ(n): 51840432
- Sum of proper divisors (its aliquot sum) s(n): 31128992
- 20711440 is an abundant number, because the sum of its proper divisors (31128992) is greater than itself. Its abundance is 10417552
Bases of 20711440
- Binary: 10011110000001000000100002
- Hexadecimal: 0x13C0810
- Base-36: CBX1S
Squares and roots of 20711440
- 20711440 squared (207114402) is 428963746873600
- 20711440 cubed (207114403) is 8884456905547753984000
-
The
square root of 20711440 is 4550.9823115455 -
The
cube root of 20711440 is 274.6229101545
Scales and comparisons
How big is 20711440?- 20,711,440 seconds is equal to 34 weeks, 1 day, 17 hours, 10 minutes, 40 seconds.
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To count from 1 to 20,711,440 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 20711440 cubic inches would be around 22.9 feet tall.
Recreational maths with 20711440
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The information we have on file for 20711440 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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