31728193123339372

Names of 31728193123339372

• Cardinal: 31728193123339372 can be written as Thirty-one quadrillion, seven hundred twenty-eight trillion, one hundred ninety-three billion, one hundred twenty-three million, three hundred thirty-nine thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 3.1728193123339372 × 10¹⁶

Factors of 31728193123339372

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 37952384118859

Divisors of 31728193123339372

• Number of divisors d(n): 24
• Complete list of divisors:
  1 2 4 11 19 22 38 44 76 209 418 836 37952384118827 75904768237654 151809536475308 417476225307097 721095298257713 834952450614194 1442190596515426 1669904901228388 2884381193030852 7932048280834843 15864096561669686 31728193123339372
• Sum of all divisors σ(n): 63760005319631040
• Sum of proper divisors (its aliquot sum) s(n): 32031812196291668
• 31728193123339372 is an abundant number, because the sum of its proper divisors (32031812196291668) is greater than itself. Its abundance is 303619072952296

Bases of 31728193123339372

• Binary: 1110000101110001001111110100000011110110100110001101100₂
• Hexadecimal: 0x70B89FA07B4C6C
• Base-36: 8OEPEP7YRU4

Squares and roots of 31728193123339372

• 31728193123339372 squared (31728193123339372²) is 1006678238871919813842192685354384
• 31728193123339372 cubed (31728193123339372³) is 31940081575991435922637739337765121862715320006848
• The square root of 31728193123339372 is 178124094.7298803035
• The cube root of 31728193123339372 is 316578.7646853987

Scales and comparisons

• 31,728,193,123,339,372 seconds is equal to 1,008,858,399 years, 30 weeks, 1 hour, 22 minutes, 52 seconds.
• To count from 1 to 31,728,193,123,339,372 would take you about three billion, twenty-six million, five hundred seventy-five thousand, one hundred ninety-eight 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 31728193123339372 cubic inches would be around 26381.6 feet tall.

Recreational maths with 31728193123339372

• 31728193123339372 backwards is 27393332139182713
• The number of decimal digits it has is: 17
• The sum of 31728193123339372's digits is 67
• More coming soon!