18488065985471997

Names of 18488065985471997

• Cardinal: 18488065985471997 can be written as Eighteen quadrillion, four hundred eighty-eight trillion, sixty-five billion, nine hundred eighty-five million, four hundred seventy-one thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.8488065985471997 × 10¹⁶

Factors of 18488065985471997

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4209

Divisors of 18488065985471997

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 9 27 359 1077 3231 3847 9693 11541 34623 103869 128881 386643 1159929 1381073 3479787 4143219 12429657 14799409 37288971 44398227 46268279 133194681 138804837 399584043 416414511 495805207 1249243533 1487415621 4462246863 5312987831 13386740589 15938963493 47816890479 143450671437 177994069313 533982207939 1601946623817 1907362631329 4805839871451 5722087893987 17166263681961 51498791045883 684743184647111 2054229553941333 6162688661823999 18488065985471997
• Sum of all divisors σ(n): 27473376508905600
• Sum of proper divisors (its aliquot sum) s(n): 8985310523433603
• 18488065985471997 is a deficient number, because the sum of its proper divisors (8985310523433603) is less than itself. Its deficiency is 9502755462038394

Bases of 18488065985471997

• Binary: 1000001101011101100110001001101101001011110010111111101₂
• Hexadecimal: 0x41AECC4DA5E5FD
• Base-36: 521H09G15H9

Squares and roots of 18488065985471997

• 18488065985471997 squared (18488065985471997²) is 341808583883166643586666871168009
• 18488065985471997 cubed (18488065985471997³) is 6319379653232725063548377186640620416264551743973
• The square root of 18488065985471997 is 135970827.7001798537
• The cube root of 18488065985471997 is 264421.7412803141

Scales and comparisons

• 18,488,065,985,471,997 seconds is equal to 587,863,310 years, 51 weeks, 5 days, 5 hours, 19 minutes, 57 seconds.
• To count from 1 to 18,488,065,985,471,997 would take you about one billion, seven hundred sixty-three million, five hundred eighty-nine thousand, nine hundred thirty-two 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 18488065985471997 cubic inches would be around 22035.1 feet tall.

Recreational maths with 18488065985471997

• 18488065985471997 backwards is 79917458956088481
• The number of decimal digits it has is: 17
• The sum of 18488065985471997's digits is 99
• More coming soon!