72189831830585772801

Names of 72189831830585772801

• Cardinal: 72189831830585772801 can be written as Seventy-two quintillion, one hundred eighty-nine quadrillion, eight hundred thirty-one trillion, eight hundred thirty billion, five hundred eighty-five million, seven hundred seventy-two thousand, eight hundred one.

Scientific notation

• Scientific notation: 7.2189831830585772801 × 10¹⁹

Factors of 72189831830585772801

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 24063277276861924270

Divisors of 72189831830585772801

• Number of divisors d(n): 4
• Complete list of divisors:
  1 3 24063277276861924267 72189831830585772801
• Sum of all divisors σ(n): 96253109107447697072
• Sum of proper divisors (its aliquot sum) s(n): 24063277276861924271
• 72189831830585772801 is a deficient number, because the sum of its proper divisors (24063277276861924271) is less than itself. Its deficiency is 48126554553723848530

Bases of 72189831830585772801

• Binary: 111110100111010101110011011001001001100001010000001000101100000001₂
• Hexadecimal: 0x3E9D5CD9261408B01
• Base-36: F8GPZNMWBB8JL

Squares and roots of 72189831830585772801

• 72189831830585772801 squared (72189831830585772801²) is 5211371819728254828889899241434391385601
• 72189831830585772801 cubed (72189831830585772801³) is 376208055272836472264841938714753894104199672179503768838401
• The square root of 72189831830585772801 is 8496459958.7466880971
• The cube root of 72189831830585772801 is 4163820.6053520461

Scales and comparisons

• 72,189,831,830,585,772,801 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 72,189,831,830,585,772,801 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 72189831830585772801 cubic inches would be around 346985.1 feet tall.

Recreational maths with 72189831830585772801

• 72189831830585772801 backwards is 10827758503813898127
• The number of decimal digits it has is: 20
• The sum of 72189831830585772801's digits is 93
• More coming soon!