21016546740
21,016,546,740 is an even composite number composed of six prime numbers multiplied together.
21016546740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21016546740:
22 × 34 × 5 × 7 × 127 × 14593
(2 × 2 × 3 × 3 × 3 × 3 × 5 × 7 × 127 × 14593)See below for interesting mathematical facts about the number 21016546740 from the Numbermatics database.
Names of 21016546740
- Cardinal: 21016546740 can be written as Twenty-one billion, sixteen million, five hundred forty-six thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.101654674 × 1010
Factors of 21016546740
Divisors of 21016546740
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 127 135 140 162 180 189 210 252 254 270 315 324 378 381 405 420 508 540 567 630 635 756 762 810 889 945 1134 1143 1260 1270 1524 1620 1778 1890 1905 2268 2286 2540 2667 2835 3429 3556 3780 3810 4445 4572 5334 5670 5715 6858 7620 8001 8890 10287 10668 11340 11430 13335 13716 14593 16002 17145 17780 20574 22860 24003 26670 29186 32004 34290 40005 41148 43779 48006 51435 53340 58372 68580 72009 72965 80010 87558 96012 102151 102870 120015 131337 144018 145930 160020 175116 204302 205740 218895 240030 262674 288036 291860 306453 360045 394011 408604 437790 480060 510755 525348 612906 656685 720090 788022 875580 919359 1021510 1182033 1225812 1313370 1440180 1532265 1576044 1838718 1853311 1970055 2043020 2364066 2626740 2758077 3064530 3677436 3706622 3940110 4596795 4728132 5516154 5559933 5910165 6129060 7413244 7880220 8274231 9193590 9266555 11032308 11119866 11820330 12973177 13790385 16548462 16679799 18387180 18533110 22239732 23640660 25946354 27580770 27799665 33096924 33359598 37066220 38919531 41371155 50039397 51892708 55161540 55599330 64865885 66719196 77839062 82742310 83398995 100078794 111198660 116758593 129731770 150118191 155678124 165484620 166797990 194597655 200157588 233517186 250196985 259463540 300236382 333595980 350275779 389195310 467034372 500393970 583792965 600472764 700551558 750590955 778390620 1000787940 1050827337 1167585930 1401103116 1501181910 1751378895 2101654674 2335171860 3002363820 3502757790 4203309348 5254136685 7005515580 10508273370 21016546740
- Sum of all divisors σ(n): 75946708992
- Sum of proper divisors (its aliquot sum) s(n): 54930162252
- 21016546740 is an abundant number, because the sum of its proper divisors (54930162252) is greater than itself. Its abundance is 33913615512
Bases of 21016546740
- Binary: 100111001001010111100001101101101002
- Hexadecimal: 0x4E4AF0DB4
- Base-36: 9NKPJ90
Squares and roots of 21016546740
- 21016546740 squared (210165467402) is 441695236874604627600
- 21016546740 cubed (210165467403) is 9282908590610499674975694024000
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The
square root of 21016546740 is 144970.8478970859 -
The
cube root of 21016546740 is 2759.6486083833
Scales and comparisons
How big is 21016546740?- 21,016,546,740 seconds is equal to 668 years, 13 weeks, 4 days, 1 hour, 39 minutes.
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To count from 1 to 21,016,546,740 would take you about one thousand, three hundred thirty-six 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 21016546740 cubic inches would be around 230 feet tall.
Recreational maths with 21016546740
- 21016546740 backwards is 04764561012
- 21016546740 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21016546740's digits is 36
- More coming soon!
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