21428826305064464

Names of 21428826305064464

• Cardinal: 21428826305064464 can be written as Twenty-one quadrillion, four hundred twenty-eight trillion, eight hundred twenty-six billion, three hundred five million, sixty-four thousand, four hundred sixty-four.

Scientific notation

• Scientific notation: 2.1428826305064464 × 10¹⁶

Factors of 21428826305064464

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1304432

Divisors of 21428826305064464

• Number of divisors d(n): 200
• Complete list of divisors:
  1 2 4 8 11 13 16 22 26 44 52 88 104 121 143 176 208 242 286 484 572 968 1144 1331 1573 1936 2288 2662 3146 5324 5417 6292 10648 10834 12584 14641 17303 21296 21668 25168 29282 34606 43336 58564 59587 69212 70421 86672 117128 119174 138424 140842 190333 234256 238348 276848 281684 380666 476696 563368 655457 761332 774631 953392 1126736 1298989 1310914 1522664 1549262 2597978 2621828 3045328 3098524 5195956 5243656 6197048 7210027 8520941 10391912 10487312 12394096 14288879 14420054 16886857 17041882 20783824 28577758 28840108 33773714 34083764 57155516 57680216 67547428 68167528 79310297 93730351 114311032 115360432 135094856 136335056 157177669 158620594 185755427 187460702 228622064 270189712 314355338 317241188 371510854 374921404 628710676 634482376 743021708 749842808 1031033861 1257421352 1268964752 1486043416 1499685616 1728954359 2043309697 2062067722 2514842704 2972086832 3457908718 4086619394 4124135444 6915817436 7036623413 8173238788 8248270888 13831634872 14073246826 16346477576 16496541776 19018497949 22476406667 27663269744 28146493652 32692955152 38036995898 44952813334 56292987304 76073991796 77402857543 89905626668 91476104369 112585974608 152147983592 154805715086 179811253336 182952208738 247240473337 304295967184 309611430172 359622506672 365904417476 494480946674 619222860344 731808834952 851431432973 988961893348 1006237148059 1238445720688 1463617669904 1702862865946 1977923786696 2012474296118 3405725731892 3955847573392 4024948592236 6811451463784 8049897184472 9365745762703 11068608628649 13622902927568 16099794368944 18731491525406 22137217257298 37462983050812 44274434514596 74925966101624 88548869029192 103023203389733 121754694915139 149851932203248 177097738058384 206046406779466 243509389830278 412092813558932 487018779660556 824185627117864 974037559321112 1339301644066529 1648371254235728 1948075118642224 2678603288133058 5357206576266116 10714413152532232 21428826305064464
• Sum of all divisors σ(n): 49192089152837400
• Sum of proper divisors (its aliquot sum) s(n): 27763262847772936
• 21428826305064464 is an abundant number, because the sum of its proper divisors (27763262847772936) is greater than itself. Its abundance is 6334436542708472

Bases of 21428826305064464

• Binary: 1001100001000010110011101101011110111011110111000010000₂
• Hexadecimal: 0x4C21676BDDEE10
• Base-36: 5UZVUWI4W7K

Squares and roots of 21428826305064464

• 21428826305064464 squared (21428826305064464²) is 459194596812622728742855195607296
• 21428826305064464 cubed (21428826305064464³) is 9840001255321800606214703908021224392050908729344
• The square root of 21428826305064464 is 146385881.5086498155
• The cube root of 21428826305064464 is 277757.7133738093

Scales and comparisons

• 21,428,826,305,064,464 seconds is equal to 681,370,392 years, 41 weeks, 6 hours, 47 minutes, 44 seconds.
• To count from 1 to 21,428,826,305,064,464 would take you about two billion, forty-four million, one hundred eleven thousand, one hundred seventy-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 21428826305064464 cubic inches would be around 23146.5 feet tall.

Recreational maths with 21428826305064464

• 21428826305064464 backwards is 46446050362882412
• The number of decimal digits it has is: 17
• The sum of 21428826305064464's digits is 65
• More coming soon!