478793994362721

Names of 478793994362721

• Cardinal: 478793994362721 can be written as Four hundred seventy-eight trillion, seven hundred ninety-three billion, nine hundred ninety-four million, three hundred sixty-two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.78793994362721 × 10¹⁴

Factors of 478793994362721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1261155898

Divisors of 478793994362721

• Number of divisors d(n): 40
• Complete list of divisors:
  1 3 9 27 43 81 109 129 327 387 981 1161 2943 3483 4687 8829 14061 42183 126549 379647 1261155743 3783467229 11350401687 34051205061 54229696949 102153615183 137465975987 162689090847 412397927961 488067272541 1237193783883 1464201817623 3711581351649 4392605452869 5911036967441 11134744054947 17733110902323 53199332706969 159597998120907 478793994362721
• Sum of all divisors σ(n): 738583249916160
• Sum of proper divisors (its aliquot sum) s(n): 259789255553439
• 478793994362721 is a deficient number, because the sum of its proper divisors (259789255553439) is less than itself. Its deficiency is 219004738809282

Bases of 478793994362721

• Binary: 1101100110111010111101001111101000101111101100001₂
• Hexadecimal: 0x1B375E9F45F61
• Base-36: 4PPUXA5D29

Squares and roots of 478793994362721

• 478793994362721 squared (478793994362721²) is 229243689037809308726914523841
• 478793994362721 cubed (478793994362721³) is 109760501556858236067221690437175773956131361
• The square root of 478793994362721 is 21881361.8032041369
• The cube root of 478793994362721 is 78231.7234883185

Scales and comparisons

• 478,793,994,362,721 seconds is equal to 15,224,168 years, 4 days, 23 hours, 25 minutes, 21 seconds.
• To count from 1 to 478,793,994,362,721 would take you about thirty-eight million, sixty thousand, four hundred twenty 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 478793994362721 cubic inches would be around 6519.3 feet tall.

Recreational maths with 478793994362721

• 478793994362721 backwards is 127263499397874
• 478793994362721 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 478793994362721's digits is 81
• More coming soon!