12438429984

Names of 12438429984

• Cardinal: 12438429984 can be written as Twelve billion, four hundred thirty-eight million, four hundred twenty-nine thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.2438429984 × 10¹⁰

Factors of 12438429984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 282303

Divisors of 12438429984

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 27 32 34 36 48 51 54 68 72 81 96 102 108 136 144 153 162 204 216 272 288 306 324 408 432 459 544 612 648 816 864 918 1224 1296 1377 1632 1836 2448 2592 2754 3672 4896 5508 7344 11016 14688 22032 44064 282281 564562 846843 1129124 1693686 2258248 2540529 3387372 4516496 4798777 5081058 6774744 7621587 9032992 9597554 10162116 13549488 14396331 15243174 19195108 20324232 22864761 27098976 28792662 30486348 38390216 40648464 43188993 45729522 57585324 60972696 76780432 81296928 86377986 91459044 115170648 121945392 129566979 153560864 172755972 182918088 230341296 243890784 259133958 345511944 365836176 388700937 460682592 518267916 691023888 731672352 777401874 1036535832 1382047776 1554803748 2073071664 3109607496 4146143328 6219214992 12438429984
• Sum of all divisors σ(n): 38733042348
• Sum of proper divisors (its aliquot sum) s(n): 26294612364
• 12438429984 is an abundant number, because the sum of its proper divisors (26294612364) is greater than itself. Its abundance is 13856182380

Bases of 12438429984

• Binary: 1011100101011000110110000100100000₂
• Hexadecimal: 0x2E5636120
• Base-36: 5PPIQ00

Squares and roots of 12438429984

• 12438429984 squared (12438429984²) is 154714540466870240256
• 12438429984 cubed (12438429984³) is 1924405979103900155037514235904
• The square root of 12438429984 is 111527.7094896151
• The cube root of 12438429984 is 2316.9777074173

Scales and comparisons

• 12,438,429,984 seconds is equal to 395 years, 26 weeks, 1 day, 7 hours, 26 minutes, 24 seconds.
• To count from 1 to 12,438,429,984 would take you about seven hundred ninety-one 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 12438429984 cubic inches would be around 193.1 feet tall.

Recreational maths with 12438429984

• 12438429984 backwards is 48992483421
• 12438429984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12438429984's digits is 54
• More coming soon!