64400834374602009

Names of 64400834374602009

• Cardinal: 64400834374602009 can be written as Sixty-four quadrillion, four hundred trillion, eight hundred thirty-four billion, three hundred seventy-four million, six hundred two thousand and nine.

Scientific notation

• Scientific notation: 6.4400834374602009 × 10¹⁶

Factors of 64400834374602009

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 49048985

Divisors of 64400834374602009

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 43 129 829 2487 12281 35647 36843 106941 528083 1584249 10180949 30542847 49035829 147107487 437780807 1313342421 2108540647 6325621941 40650702241 121952106723 602209015949 1747980196363 1806627047847 5243940589089 25894987685807 77684963057421 499231274221721 1497693822665163 21466944791534003 64400834374602009
• Sum of all divisors σ(n): 87977857997884800
• Sum of proper divisors (its aliquot sum) s(n): 23577023623282791
• 64400834374602009 is a deficient number, because the sum of its proper divisors (23577023623282791) is less than itself. Its deficiency is 40823810751319218

Bases of 64400834374602009

• Binary: 11100100110011000011011110111000001000110000110100011001₂
• Hexadecimal: 0xE4CC37B8230D19
• Base-36: HM46UVQDAMX

Squares and roots of 64400834374602009

• 64400834374602009 squared (64400834374602009²) is 4147467468144919735677677146836081
• 64400834374602009 cubed (64400834374602009³) is 267100365490050909669932399567590913349737936286729
• The square root of 64400834374602009 is 253773194.7519320035
• The cube root of 64400834374602009 is 400833.3342930075

Scales and comparisons

• 64,400,834,374,602,009 seconds is equal to 2,047,747,328 years, 13 weeks, 19 hours, 40 minutes, 9 seconds.
• To count from 1 to 64,400,834,374,602,009 would take you about six billion, one hundred forty-three million, two hundred forty-one thousand, nine hundred eighty-four 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 64400834374602009 cubic inches would be around 33402.8 feet tall.

Recreational maths with 64400834374602009

• 64400834374602009 backwards is 90020647343800446
• The number of decimal digits it has is: 17
• The sum of 64400834374602009's digits is 60
• More coming soon!