64390131247152

Names of 64390131247152

• Cardinal: 64390131247152 can be written as Sixty-four trillion, three hundred ninety billion, one hundred thirty-one million, two hundred forty-seven thousand, one hundred fifty-two.

Scientific notation

• Scientific notation: 6.4390131247152 × 10¹³

Factors of 64390131247152

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 13281792855

Divisors of 64390131247152

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 48 101 202 303 404 606 808 1212 1616 2424 4848 13281792749 26563585498 39845378247 53127170996 79690756494 106254341992 159381512988 212508683984 318763025976 637526051952 1341461067649 2682922135298 4024383202947 5365844270596 8048766405894 10731688541192 16097532811788 21463377082384 32195065623576 64390131247152
• Sum of all divisors σ(n): 167988114702000
• Sum of proper divisors (its aliquot sum) s(n): 103597983454848
• 64390131247152 is an abundant number, because the sum of its proper divisors (103597983454848) is greater than itself. Its abundance is 39207852207696

Bases of 64390131247152

• Binary: 1110101000111111111110111001100110100000110000₂
• Hexadecimal: 0x3A8FFEE66830
• Base-36: MTOF1N29C

Squares and roots of 64390131247152

• 64390131247152 squared (64390131247152²) is 4146089002025460374908111104
• 64390131247152 cubed (64390131247152³) is 266967215002792847904238969528404099575808
• The square root of 64390131247152 is 8024346.1569869977
• The cube root of 64390131247152 is 40081.1127500213

Scales and comparisons

• 64,390,131,247,152 seconds is equal to 2,047,407 years, 16 hours, 39 minutes, 12 seconds.
• To count from 1 to 64,390,131,247,152 would take you about five million, one hundred eighteen thousand, five hundred seventeen 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 64390131247152 cubic inches would be around 3340.1 feet tall.

Recreational maths with 64390131247152

• 64390131247152 backwards is 25174213109346
• 64390131247152 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 64390131247152's digits is 48
• More coming soon!