20021940
20,021,940 is an even composite number composed of five prime numbers multiplied together.
20021940 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 20021940:
22 × 32 × 5 × 41 × 2713
(2 × 2 × 3 × 3 × 5 × 41 × 2713)See below for interesting mathematical facts about the number 20021940 from the Numbermatics database.
Names of 20021940
- Cardinal: 20021940 can be written as Twenty million, twenty-one thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.002194 × 107
Factors of 20021940
Divisors of 20021940
- Number of divisors d(n): 72
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 30 36 41 45 60 82 90 123 164 180 205 246 369 410 492 615 738 820 1230 1476 1845 2460 2713 3690 5426 7380 8139 10852 13565 16278 24417 27130 32556 40695 48834 54260 81390 97668 111233 122085 162780 222466 244170 333699 444932 488340 556165 667398 1001097 1112330 1334796 1668495 2002194 2224660 3336990 4004388 5005485 6673980 10010970 20021940
- Sum of all divisors σ(n): 62237448
- Sum of proper divisors (its aliquot sum) s(n): 42215508
- 20021940 is an abundant number, because the sum of its proper divisors (42215508) is greater than itself. Its abundance is 22193568
Bases of 20021940
- Binary: 10011000110000010101101002
- Hexadecimal: 0x13182B4
- Base-36: BX510
Squares and roots of 20021940
- 20021940 squared (200219402) is 400878081363600
- 20021940 cubed (200219403) is 8026356892377117384000
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The
square root of 20021940 is 4474.5882492135 -
The
cube root of 20021940 is 271.5409825909
Scales and comparisons
How big is 20021940?- 20,021,940 seconds is equal to 33 weeks, 17 hours, 39 minutes.
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To count from 1 to 20,021,940 would take you about forty-nine 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 20021940 cubic inches would be around 22.6 feet tall.
Recreational maths with 20021940
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The information we have on file for 20021940 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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