21042463365
21,042,463,365 is an odd composite number composed of six prime numbers multiplied together.
21042463365 is an odd composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21042463365:
33 × 5 × 7 × 11 × 293 × 83
(3 × 3 × 3 × 5 × 7 × 11 × 29 × 29 × 29 × 83)See below for interesting mathematical facts about the number 21042463365 from the Numbermatics database.
Names of 21042463365
- Cardinal: 21042463365 can be written as Twenty-one billion, forty-two million, four hundred sixty-three thousand, three hundred sixty-five.
Scientific notation
- Scientific notation: 2.1042463365 × 1010
Factors of 21042463365
Divisors of 21042463365
- Number of divisors d(n): 256
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Complete list of divisors:
1 3 5 7 9 11 15 21 27 29 33 35 45 55 63 77 83 87 99 105 135 145 165 189 203 231 249 261 297 315 319 385 415 435 495 581 609 693 747 783 841 913 945 957 1015 1155 1245 1305 1485 1595 1743 1827 2079 2233 2241 2407 2523 2739 2871 2905 3045 3465 3735 3915 4205 4565 4785 5229 5481 5887 6391 6699 7221 7569 8217 8613 8715 9135 9251 10395 11165 11205 12035 12615 13695 14355 15687 16849 17661 19173 20097 21663 22707 24389 24651 26145 26477 27405 27753 29435 31955 33495 36105 37845 41085 43065 46255 50547 52983 57519 60291 64757 64989 69803 73167 78435 79431 83259 84245 88305 95865 100485 108315 113535 121945 123255 132385 138765 151641 158949 170723 172557 185339 194271 209409 219501 238293 249777 252735 264915 268279 287595 301455 323785 324945 349015 365835 397155 416295 454923 488621 512169 556017 582813 628227 658503 714879 758205 767833 794745 804837 853615 862785 926695 971355 1047045 1097505 1191465 1248885 1341395 1465863 1536507 1668051 1748439 1877953 1884681 2024287 2274615 2303499 2414511 2443105 2560845 2780085 2914065 3141135 3292515 3574395 3839165 4024185 4397589 4609521 5004153 5374831 5633859 6072861 6910497 7243533 7329315 7682535 8340255 8742195 9389765 9423405 10121435 11517495 12072555 13192767 14170009 16124493 16901577 18218583 20731491 21987945 22267157 23047605 25020765 26874155 28169295 30364305 34552485 36217665 42510027 48373479 50704731 54655749 65963835 66801471 70850045 80622465 84507885 91092915 103657455 111335785 127530081 145120437 155870099 200404413 212550135 241867395 253523655 273278745 334007355 382590243 467610297 601213239 637650405 725602185 779350495 1002022065 1402830891 1912951215 2338051485 3006066195 4208492673 7014154455 21042463365
- Sum of all divisors σ(n): 48887193600
- Sum of proper divisors (its aliquot sum) s(n): 27844730235
- 21042463365 is an abundant number, because the sum of its proper divisors (27844730235) is greater than itself. Its abundance is 6802266870
Bases of 21042463365
- Binary: 100111001100011101010000010100001012
- Hexadecimal: 0x4E63A8285
- Base-36: 9O050N9
Squares and roots of 21042463365
- 21042463365 squared (210424633652) is 442785264467367123225
- 21042463365 cubed (210424633653) is 9317292706116408928467503152125
-
The
square root of 21042463365 is 145060.2060008189 -
The
cube root of 21042463365 is 2760.7824990653
Scales and comparisons
How big is 21042463365?- 21,042,463,365 seconds is equal to 669 years, 4 weeks, 3 days, 42 minutes, 45 seconds.
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To count from 1 to 21,042,463,365 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 21042463365 cubic inches would be around 230.1 feet tall.
Recreational maths with 21042463365
- 21042463365 backwards is 56336424012
- The number of decimal digits it has is: 11
- The sum of 21042463365's digits is 36
- More coming soon!
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