12917729428828

Names of 12917729428828

• Cardinal: 12917729428828 can be written as Twelve trillion, nine hundred seventeen billion, seven hundred twenty-nine million, four hundred twenty-eight thousand, eight hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2917729428828 × 10¹³

Factors of 12917729428828

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 7641644

Divisors of 12917729428828

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 28 173 346 349 692 698 1211 1396 2422 2443 4844 4886 9772 60377 120754 241508 422639 845278 1690556 7641113 15282226 30564452 53487791 106975582 213951164 1321912549 2643825098 2666748437 5287650196 5333496874 9253387843 10666993748 18506775686 18667239059 37013551372 37334478118 74668956236 461347479601 922694959202 1845389918404 3229432357207 6458864714414 12917729428828
• Sum of all divisors σ(n): 26059255185600
• Sum of proper divisors (its aliquot sum) s(n): 13141525756772
• 12917729428828 is an abundant number, because the sum of its proper divisors (13141525756772) is greater than itself. Its abundance is 223796327944

Bases of 12917729428828

• Binary: 10111011111110100100101011001000010101011100₂
• Hexadecimal: 0xBBFA4AC855C
• Base-36: 4KUBMKQJG

Squares and roots of 12917729428828

• 12917729428828 squared (12917729428828²) is 166867733596408967117453584
• 12917729428828 cubed (12917729428828³) is 2155552233000162873074041119234121519552
• The square root of 12917729428828 is 3594124.2923454943
• The cube root of 12917729428828 is 23463.6404252781

Scales and comparisons

• 12,917,729,428,828 seconds is equal to 410,743 years, 43 weeks, 4 days, 6 hours, 40 minutes, 28 seconds.
• To count from 1 to 12,917,729,428,828 would take you about one million, twenty-six thousand, eight hundred fifty-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 12917729428828 cubic inches would be around 1955.3 feet tall.

Recreational maths with 12917729428828

• 12917729428828 backwards is 82882492771921
• The number of decimal digits it has is: 14
• The sum of 12917729428828's digits is 70
• More coming soon!