21040042680
21,040,042,680 is an even composite number composed of four prime numbers multiplied together.
21040042680 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty-four divisors.
Prime factorization of 21040042680:
23 × 33 × 5 × 19481521
(2 × 2 × 2 × 3 × 3 × 3 × 5 × 19481521)See below for interesting mathematical facts about the number 21040042680 from the Numbermatics database.
Names of 21040042680
- Cardinal: 21040042680 can be written as Twenty-one billion, forty million, forty-two thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.104004268 × 1010
Factors of 21040042680
Divisors of 21040042680
- Number of divisors d(n): 64
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 19481521 38963042 58444563 77926084 97407605 116889126 155852168 175333689 194815210 233778252 292222815 350667378 389630420 467556504 526001067 584445630 701334756 779260840 876668445 1052002134 1168891260 1402669512 1753336890 2104004268 2337782520 2630005335 3506673780 4208008536 5260010670 7013347560 10520021340 21040042680
- Sum of all divisors σ(n): 70133479200
- Sum of proper divisors (its aliquot sum) s(n): 49093436520
- 21040042680 is an abundant number, because the sum of its proper divisors (49093436520) is greater than itself. Its abundance is 28053393840
Bases of 21040042680
- Binary: 100111001100001010110010010101110002
- Hexadecimal: 0x4E61592B8
- Base-36: 9NYP4U0
Squares and roots of 21040042680
- 21040042680 squared (210400426802) is 442683395976221582400
- 21040042680 cubed (210400426803) is 9314077545067042358833136832000
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The
square root of 21040042680 is 145051.8620356181 -
The
cube root of 21040042680 is 2760.6766299479
Scales and comparisons
How big is 21040042680?- 21,040,042,680 seconds is equal to 669 years, 3 days, 18 minutes.
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To count from 1 to 21,040,042,680 would take you about one thousand, three hundred thirty-eight years!
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 21040042680 cubic inches would be around 230.1 feet tall.
Recreational maths with 21040042680
- 21040042680 backwards is 08624004012
- 21040042680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21040042680's digits is 27
- More coming soon!
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The information we have on file for 21040042680 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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