18508906347957472

Names of 18508906347957472

• Cardinal: 18508906347957472 can be written as Eighteen quadrillion, five hundred eight trillion, nine hundred six billion, three hundred forty-seven million, nine hundred fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8508906347957472 × 10¹⁶

Factors of 18508906347957472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4984993331

Divisors of 18508906347957472

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 29 32 58 116 232 464 928 4001 8002 16004 32008 64016 116029 128032 232058 464116 928232 1856464 3712928 4984989299 9969978598 19939957196 39879914392 79759828784 144564689671 159519657568 289129379342 578258758684 1156517517368 2313035034736 4626070069472 19944942185299 39889884370598 79779768741196 159559537482392 319119074964784 578403323373671 638238149929568 1156806646747342 2313613293494684 4627226586989368 9254453173978736 18508906347957472
• Sum of all divisors σ(n): 37705362367554000
• Sum of proper divisors (its aliquot sum) s(n): 19196456019596528
• 18508906347957472 is an abundant number, because the sum of its proper divisors (19196456019596528) is greater than itself. Its abundance is 687549671639056

Bases of 18508906347957472

• Binary: 1000001110000011100000010010100000011010000110011100000₂
• Hexadecimal: 0x41C1C0940D0CE0
• Base-36: 528UY6XRUN4

Squares and roots of 18508906347957472

• 18508906347957472 squared (18508906347957472²) is 342579614197460403565666320630784
• 18508906347957472 cubed (18508906347957472³) is 6340773995900196563202613600730080684533046018048
• The square root of 18508906347957472 is 136047441.5340379417
• The cube root of 18508906347957472 is 264521.0589634675

Scales and comparisons

• 18,508,906,347,957,472 seconds is equal to 588,525,970 years, 3 weeks, 8 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,508,906,347,957,472 would take you about one billion, seven hundred sixty-five million, five hundred seventy-seven thousand, nine hundred ten 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 18508906347957472 cubic inches would be around 22043.4 feet tall.

Recreational maths with 18508906347957472

• 18508906347957472 backwards is 27475974360980581
• The number of decimal digits it has is: 17
• The sum of 18508906347957472's digits is 85
• More coming soon!