18121404637489482

Names of 18121404637489482

• Cardinal: 18121404637489482 can be written as Eighteen quadrillion, one hundred twenty-one trillion, four hundred four billion, six hundred thirty-seven million, four hundred eighty-nine thousand, four hundred eighty-two.

Scientific notation

• Scientific notation: 1.8121404637489482 × 10¹⁶

Factors of 18121404637489482

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 101967800

Divisors of 18121404637489482

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 42 63 126 1430521 2861042 4291563 8583126 10013647 12874689 20027294 25749378 30040941 60081882 90122823 100537267 180245646 201074534 301611801 603223602 703760869 904835403 1407521738 1809670806 2111282607 4222565214 6333847821 12667695642 143820671726107 287641343452214 431462015178321 862924030356642 1006744702082749 1294386045534963 2013489404165498 2588772091069926 3020234106248247 6040468212496494 9060702318744741 18121404637489482
• Sum of all divisors σ(n): 44872081392495552
• Sum of proper divisors (its aliquot sum) s(n): 26750676755006070
• 18121404637489482 is an abundant number, because the sum of its proper divisors (26750676755006070) is greater than itself. Its abundance is 8629272117516588

Bases of 18121404637489482

• Binary: 1000000011000010101001001001110001111111010100101001010₂
• Hexadecimal: 0x4061524E3FA94A
• Base-36: 4YFI2D4CWUI

Squares and roots of 18121404637489482

• 18121404637489482 squared (18121404637489482²) is 328385306035625304538295660628324
• 18121404637489482 cubed (18121404637489482³) is 5950803007677383177223738073903102903694061288168
• The square root of 18121404637489482 is 134615766.6749682111
• The cube root of 18121404637489482 is 262662.0236918067

Scales and comparisons

• 18,121,404,637,489,482 seconds is equal to 576,204,614 years, 14 weeks, 6 days, 13 hours, 44 minutes, 42 seconds.
• To count from 1 to 18,121,404,637,489,482 would take you about one billion, seven hundred twenty-eight million, six hundred thirteen thousand, eight hundred forty-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 18121404637489482 cubic inches would be around 21888.5 feet tall.

Recreational maths with 18121404637489482

• 18121404637489482 backwards is 28498473640412181
• The number of decimal digits it has is: 17
• The sum of 18121404637489482's digits is 72
• More coming soon!