66440873988375

Names of 66440873988375

• Cardinal: 66440873988375 can be written as Sixty-six trillion, four hundred forty billion, eight hundred seventy-three million, nine hundred eighty-eight thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 6.6440873988375 × 10¹³

Factors of 66440873988375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5230175

Divisors of 66440873988375

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 15 25 31 75 93 125 155 375 465 775 1093 2325 3279 3875 5465 11625 16395 27325 33883 81975 101649 136625 169415 409875 508245 847075 2541225 4235375 5229043 12706125 15687129 26145215 78435645 130726075 162100333 392178225 486300999 653630375 810501665 1960891125 2431504995 4052508325 5715343999 12157524975 17146031997 20262541625 28576719995 60787624875 85730159985 142883599975 177175663969 428650799925 531526991907 714417999875 885878319845 2143253999625 2657634959535 4429391599225 13288174797675 22146957996125 66440873988375
• Sum of all divisors σ(n): 114228424347648
• Sum of proper divisors (its aliquot sum) s(n): 47787550359273
• 66440873988375 is a deficient number, because the sum of its proper divisors (47787550359273) is less than itself. Its deficiency is 18653323629102

Bases of 66440873988375

• Binary: 1111000110110101111000101100010101000100010111₂
• Hexadecimal: 0x3C6D78B15117
• Base-36: NJUIKX4IF

Squares and roots of 66440873988375

• 66440873988375 squared (66440873988375²) is 4414389736339125679635140625
• 66440873988375 cubed (66440873988375³) is 293295912207683789865860408212147740234375
• The square root of 66440873988375 is 8151127.1606063783
• The cube root of 66440873988375 is 40502.1843029347

Scales and comparisons

• 66,440,873,988,375 seconds is equal to 2,112,614 years, 14 weeks, 3 days, 2 hours, 6 minutes, 15 seconds.
• To count from 1 to 66,440,873,988,375 would take you about five million, two hundred eighty-one thousand, five hundred thirty-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 66440873988375 cubic inches would be around 3375.2 feet tall.

Recreational maths with 66440873988375

• 66440873988375 backwards is 57388937804466
• The number of decimal digits it has is: 14
• The sum of 66440873988375's digits is 78
• More coming soon!