12918546800643

Names of 12918546800643

• Cardinal: 12918546800643 can be written as Twelve trillion, nine hundred eighteen billion, five hundred forty-six million, eight hundred thousand, six hundred forty-three.

Scientific notation

• Scientific notation: 1.2918546800643 × 10¹³

Factors of 12918546800643

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 13204

Divisors of 12918546800643

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 11 33 107 193 321 579 1177 1693 2123 3531 5079 6369 11197 18623 20651 33591 55869 61953 123167 181151 227161 326749 369501 543453 681483 980247 1198079 1992661 2161021 3594237 3594239 5977983 6483063 10782717 13178869 18956521 23771231 34962143 39536607 56869563 71313693 104886429 208521731 231229247 384583573 625565193 693687741 1153750719 2028347747 2543521717 3658608553 6085043241 7630565151 10975825659 22311825217 40244694083 66935475651 120734082249 391471115171 1174413345513 4306182266881 12918546800643
• Sum of all divisors σ(n): 19077461770752
• Sum of proper divisors (its aliquot sum) s(n): 6158914970109
• 12918546800643 is a deficient number, because the sum of its proper divisors (6158914970109) is less than itself. Its deficiency is 6759631830534

Bases of 12918546800643

• Binary: 10111011111111010101011001001010000000000011₂
• Hexadecimal: 0xBBFD564A003
• Base-36: 4KUP57UO3

Squares and roots of 12918546800643

• 12918546800643 squared (12918546800643²) is 166888851440403491185213449
• 12918546800643 cubed (12918546800643³) is 2155961437838409443235746853728005447707
• The square root of 12918546800643 is 3594237.9999998609
• The cube root of 12918546800643 is 23464.1353036277

Scales and comparisons

• 12,918,546,800,643 seconds is equal to 410,769 years, 43 weeks, 14 hours, 24 minutes, 3 seconds.
• To count from 1 to 12,918,546,800,643 would take you about one million, twenty-six thousand, nine hundred twenty-four 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 12918546800643 cubic inches would be around 1955.3 feet tall.

Recreational maths with 12918546800643

• 12918546800643 backwards is 34600864581921
• The number of decimal digits it has is: 14
• The sum of 12918546800643's digits is 57
• More coming soon!