12729145128359319009

Names of 12729145128359319009

• Cardinal: 12729145128359319009 can be written as Twelve quintillion, seven hundred twenty-nine quadrillion, one hundred forty-five trillion, one hundred twenty-eight billion, three hundred fifty-nine million, three hundred nineteen thousand and nine.

Scientific notation

• Scientific notation: 1.2729145128359319009 × 10¹⁹

Factors of 12729145128359319009

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8090243

Divisors of 12729145128359319009

• Number of divisors d(n): 75
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 343 441 567 1029 1323 2401 3087 3969 7203 9261 21609 27783 64827 194481 8090233 24270699 56631631 72812097 169894893 218436291 396421417 509684679 655308873 1189264251 1529054037 2774949919 3567792753 4587162111 8324849757 10703378259 19424649433 24974549271 32110134777 58273948299 74923647813 174821844897 224770943439 524465534691 1573396604073 65451869994289 196355609982867 458163089960023 589066829948601 1374489269880069 1767200489845803 3207141629720161 4123467809640207 5301601469537409 9621424889160483 12370403428920621 22449991408041127 28864274667481449 37111210286761863 67349974224123381 86592824002444347 157149939856287889 202049922672370143 259778472007333041 471449819568863667 606149768017110429 1414349458706591001 1818449304051331287 4243048376119773003 12729145128359319009
• Sum of all divisors σ(n): 22183015972284619683
• Sum of proper divisors (its aliquot sum) s(n): 9453870843925300674
• 12729145128359319009 is a deficient number, because the sum of its proper divisors (9453870843925300674) is less than itself. Its deficiency is 3275274284434018335

Bases of 12729145128359319009

• Binary: 1011000010100111000000100000110101100110010000000101010111100001₂
• Hexadecimal: 0xB0A7020D664055E1
• Base-36: 2OPK9CVP9C929

Squares and roots of 12729145128359319009

• 12729145128359319009 squared (12729145128359319009²) is 162031135698833784009749386454228742081
• 12729145128359319009 cubed (12729145128359319009³) is 2062517841623337804115955184810938183137021226831861517729
• 12729145128359319009 is a perfect square number. Its square root is 3567792753
• The cube root of 12729145128359319009 is 2334889.9329170959

Scales and comparisons

• 12,729,145,128,359,319,009 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 12,729,145,128,359,319,009 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 12729145128359319009 cubic inches would be around 194574.2 feet tall.

Recreational maths with 12729145128359319009

• 12729145128359319009 backwards is 90091395382154192721
• 12729145128359319009 is a Harshad number.
• The number of decimal digits it has is: 20
• The sum of 12729145128359319009's digits is 81
• More coming soon!