64831974400729

Names of 64831974400729

• Cardinal: 64831974400729 can be written as Sixty-four trillion, eight hundred thirty-one billion, nine hundred seventy-four million, four hundred thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 6.4831974400729 × 10¹³

Factors of 64831974400729

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 142511

Divisors of 64831974400729

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19031 41611 81869 791898941 1558048939 3406650959 64831974400729
• Sum of all divisors σ(n): 64837731142080
• Sum of proper divisors (its aliquot sum) s(n): 5756741351
• 64831974400729 is a deficient number, because the sum of its proper divisors (5756741351) is less than itself. Its deficiency is 64826217659378

Bases of 64831974400729

• Binary: 1110101111011011011110110011011110001011011001₂
• Hexadecimal: 0x3AF6DECDE2D9
• Base-36: MZBEBN9I1

Squares and roots of 64831974400729

• 64831974400729 squared (64831974400729²) is 4203184904696780378675731441
• 64831974400729 cubed (64831974400729³) is 272500776142832227068251279580241718620489
• The square root of 64831974400729 is 8051830.4999999223
• The cube root of 64831974400729 is 40172.5823128871

Scales and comparisons

• 64,831,974,400,729 seconds is equal to 2,061,456 years, 12 weeks, 6 days, 1 hour, 58 minutes, 49 seconds.
• To count from 1 to 64,831,974,400,729 would take you about five million, one hundred fifty-three thousand, six hundred forty 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 64831974400729 cubic inches would be around 3347.7 feet tall.

Recreational maths with 64831974400729

• 64831974400729 backwards is 92700447913846
• The number of decimal digits it has is: 14
• The sum of 64831974400729's digits is 64
• More coming soon!