72638089794018

Names of 72638089794018

• Cardinal: 72638089794018 can be written as Seventy-two trillion, six hundred thirty-eight billion, eighty-nine million, seven hundred ninety-four thousand and eighteen.

Scientific notation

• Scientific notation: 7.2638089794018 × 10¹³

Factors of 72638089794018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16358708

Divisors of 72638089794018

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 126 35317 70634 105951 211902 247219 317853 494438 635706 741657 1483314 2224971 4449942 16323379 32646758 48970137 97940274 114263653 146910411 228527306 293820822 342790959 685581918 1028372877 2056745754 576492776143 1152985552286 1729478328429 3458956656858 4035449433001 5188434985287 8070898866002 10376869970574 12106348299003 24212696598006 36319044897009 72638089794018
• Sum of all divisors σ(n): 179870850070080
• Sum of proper divisors (its aliquot sum) s(n): 107232760276062
• 72638089794018 is an abundant number, because the sum of its proper divisors (107232760276062) is greater than itself. Its abundance is 34594670482044

Bases of 72638089794018

• Binary: 10000100001000001011111100010100001000111100010₂
• Hexadecimal: 0x42105F8A11E2
• Base-36: PQXH77BOI

Squares and roots of 72638089794018

• 72638089794018 squared (72638089794018²) is 5276292088923821933668584324
• 72638089794018 cubed (72638089794018³) is 383259778534715383701085968758378823773832
• The square root of 72638089794018 is 8522798.2373172487
• The cube root of 72638089794018 is 41724.2115078329

Scales and comparisons

• 72,638,089,794,018 seconds is equal to 2,309,666 years, 29 weeks, 4 days, 21 hours, 18 seconds.
• To count from 1 to 72,638,089,794,018 would take you about five million, seven hundred seventy-four thousand, one hundred sixty-six 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 72638089794018 cubic inches would be around 3477 feet tall.

Recreational maths with 72638089794018

• 72638089794018 backwards is 81049798083627
• The number of decimal digits it has is: 14
• The sum of 72638089794018's digits is 72
• More coming soon!