66390473409440

Names of 66390473409440

• Cardinal: 66390473409440 can be written as Sixty-six trillion, three hundred ninety billion, four hundred seventy-three million, four hundred nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.639047340944 × 10¹³

Factors of 66390473409440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 5252410957

Divisors of 66390473409440

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 79 80 158 160 316 395 632 790 1264 1580 2528 3160 6320 12640 5252410871 10504821742 21009643484 26262054355 42019286968 52524108710 84038573936 105048217420 168077147872 210096434840 414940458809 420192869680 829880917618 840385739360 1659761835236 2074702294045 3319523670472 4149404588090 6639047340944 8298809176180 13278094681888 16597618352360 33195236704720 66390473409440
• Sum of all divisors σ(n): 158832904769280
• Sum of proper divisors (its aliquot sum) s(n): 92442431359840
• 66390473409440 is an abundant number, because the sum of its proper divisors (92442431359840) is greater than itself. Its abundance is 26051957950400

Bases of 66390473409440

• Binary: 1111000110000110111100100101011000001110100000₂
• Hexadecimal: 0x3C61BC9583A0
• Base-36: NJ7D1PSWW

Squares and roots of 66390473409440

• 66390473409440 squared (66390473409440²) is 4407694959529559697881113600
• 66390473409440 cubed (66390473409440³) is 292628955007569950053847152371175952384000
• The square root of 66390473409440 is 8148034.9415942001
• The cube root of 66390473409440 is 40491.9403581949

Scales and comparisons

• 66,390,473,409,440 seconds is equal to 2,111,011 years, 36 weeks, 1 day, 1 hour, 17 minutes, 20 seconds.
• To count from 1 to 66,390,473,409,440 would take you about five million, two hundred seventy-seven thousand, five hundred twenty-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 66390473409440 cubic inches would be around 3374.3 feet tall.

Recreational maths with 66390473409440

• 66390473409440 backwards is 04490437409366
• The number of decimal digits it has is: 14
• The sum of 66390473409440's digits is 59
• More coming soon!