12821790315978

Names of 12821790315978

• Cardinal: 12821790315978 can be written as Twelve trillion, eight hundred twenty-one billion, seven hundred ninety million, three hundred fifteen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.2821790315978 × 10¹³

Factors of 12821790315978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 134

Divisors of 12821790315978

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 27 38 42 49 54 57 63 98 103 114 126 133 147 171 189 206 266 294 309 342 361 378 399 441 513 618 721 722 798 882 927 931 1026 1083 1197 1323 1442 1854 1862 1957 2163 2166 2394 2527 2646 2781 2793 3249 3591 3914 4326 5047 5054 5562 5586 5871 6489 6498 6859 7182 7581 8379 9747 10094 11742 12978 13699 13718 15141 15162 16758 17613 17689 19467 19494 20577 22743 25137 27398 30282 35226 35378 37183 38934 41097 41154 45423 45486 48013 50274 52839 53067 61731 68229 74366 82194 90846 95893 96026 105678 106134 111549 123291 123462 130321 136269 136458 144039 159201 185193 191786 223098 246582 260281 260642 272538 287679 288078 318402 334647 336091 369873 370386 390963 432117 477603 520562 575358 669294 672182 706477 739746 780843 781926 863037 864234 912247 955206 1003941 1008273 1172889 1296351 1412954 1561686 1726074 1821967 1824494 2007882 2016546 2119431 2342529 2345778 2476099 2589111 2592702 2736741 3024819 3518667 3643934 4238862 4685058 4945339 4952198 5178222 5465901 5473482 6049638 6358293 6385729 7027587 7037334 7428297 8210223 9074457 9890678 10931802 12716586 12771458 13423063 14055174 14836017 14856594 16397703 16420446 17332693 18148914 19074879 19157187 22284891 24630669 26846126 29672034 32795406 34617373 34665386 38149758 38314374 40269189 44508051 44569782 47045881 49193109 49261338 51998079 57471561 66854673 69234746 80538378 89016102 93961441 94091762 98386218 103852119 103996158 114943122 120807567 121328851 133524153 133709346 141137643 155994237 172414683 187922882 207704238 241615134 242657702 255038197 267048306 281884323 282275286 311556357 311988474 329321167 344829366 362422701 363986553 423412929 467982711 510076394 563768646 623112714 657730087 658642334 724845402 727973106 765114591 845652969 846825858 934669071 935965422 987963501 1091959659 1270238787 1315460174 1530229182 1691305938 1785267379 1869338142 1973190261 1975927002 2183919318 2295343773 2305248169 2536958907 2540477574 2963890503 3275878977 3570534758 3946380522 4590687546 4610496338 4845725743 5073917814 5355802137 5919570783 5927781006 6551757954 6886031319 6915744507 8891671509 9691451486 10711604274 11839141566 12496871653 13772062638 13831489014 14537177229 16067406411 17758712349 17783343018 20747233521 24993743306 29074354458 32134812822 33920080201 35517424698 37490614959 41494467042 43611531687 48202219233 62241700563 67840160402 74981229918 87223063374 96404438466 101760240603 112471844877 124483401126 130834595061 203520481206 224943689754 237440561407 261669190122 305280721809 337415534631 474881122814 610561443618 674831069262 712321684221 915842165427 1424643368442 1831684330854 2136965052663 4273930105326 6410895157989 12821790315978
• Sum of all divisors σ(n): 35325811085760
• Sum of proper divisors (its aliquot sum) s(n): 22504020769782
• 12821790315978 is an abundant number, because the sum of its proper divisors (22504020769782) is greater than itself. Its abundance is 9682230453804

Bases of 12821790315978

• Binary: 10111010100101001110010000011101010111001010₂
• Hexadecimal: 0xBA94E41D5CA
• Base-36: 4JM8YWLAI

Squares and roots of 12821790315978

• 12821790315978 squared (12821790315978²) is 164398306906907221082096484
• 12821790315978 cubed (12821790315978³) is 2107880619462162158028943780665042821352
• The square root of 12821790315978 is 3580752.7582867265
• The cube root of 12821790315978 is 23405.4083950727

Scales and comparisons

• 12,821,790,315,978 seconds is equal to 407,693 years, 14 weeks, 21 hours, 6 minutes, 18 seconds.
• To count from 1 to 12,821,790,315,978 would take you about one million, nineteen thousand, two hundred thirty-three 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 12821790315978 cubic inches would be around 1950.5 feet tall.

Recreational maths with 12821790315978

• 12821790315978 backwards is 87951309712821
• 12821790315978 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12821790315978's digits is 63
• More coming soon!