66328788643440

Names of 66328788643440

• Cardinal: 66328788643440 can be written as Sixty-six trillion, three hundred twenty-eight billion, seven hundred eighty-eight million, six hundred forty-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.632878864344 × 10¹³

Factors of 66328788643440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 525719

Divisors of 66328788643440

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 525709 1051418 1577127 2102836 2628545 3154254 4205672 5257090 6308508 7885635 8411344 10514180 12617016 15771270 21028360 25234032 31542540 42056720 63085080 126170160 276369952681 552739905362 829109858043 1105479810724 1381849763405 1658219716086 2210959621448 2763699526810 3316439432172 4145549290215 4421919242896 5527399053620 6632878864344 8291098580430 11054798107240 13265757728688 16582197160860 22109596214480 33164394321720 66328788643440
• Sum of all divisors σ(n): 205619635922904
• Sum of proper divisors (its aliquot sum) s(n): 139290847279464
• 66328788643440 is an abundant number, because the sum of its proper divisors (139290847279464) is greater than itself. Its abundance is 72962058636024

Bases of 66328788643440

• Binary: 1111000101001101011111111000101010111001110000₂
• Hexadecimal: 0x3C535FE2AE70
• Base-36: NIF0W76UO

Squares and roots of 66328788643440

• 66328788643440 squared (66328788643440²) is 4399508202906135115455033600
• 66328788643440 cubed (66328788643440³) is 291814049725641578050296025875663619584000
• The square root of 66328788643440 is 8144248.8078054197
• The cube root of 66328788643440 is 40479.3958383605

Scales and comparisons

• 66,328,788,643,440 seconds is equal to 2,109,050 years, 16 weeks, 1 day, 4 minutes.
• To count from 1 to 66,328,788,643,440 would take you about five million, two hundred seventy-two thousand, six hundred twenty-five 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 66328788643440 cubic inches would be around 3373.3 feet tall.

Recreational maths with 66328788643440

• 66328788643440 backwards is 04434688782366
• The number of decimal digits it has is: 14
• The sum of 66328788643440's digits is 69
• More coming soon!