18208286979480080

Names of 18208286979480080

• Cardinal: 18208286979480080 can be written as Eighteen quadrillion, two hundred eight trillion, two hundred eighty-six billion, nine hundred seventy-nine million, four hundred eighty thousand and eighty.

Scientific notation

• Scientific notation: 1.820828697948008 × 10¹⁶

Factors of 18208286979480080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 32514798177657

Divisors of 18208286979480080

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 32514798177643 65029596355286 130059192710572 162573990888215 227603587243501 260118385421144 325147981776430 455207174487002 520236770842288 650295963552860 910414348974004 1138017936217505 1300591927105720 1820828697948008 2276035872435010 2601183854211440 3641657395896016 4552071744870020 9104143489740040 18208286979480080
• Sum of all divisors σ(n): 48382019688334272
• Sum of proper divisors (its aliquot sum) s(n): 30173732708854192
• 18208286979480080 is an abundant number, because the sum of its proper divisors (30173732708854192) is greater than itself. Its abundance is 11965445729374112

Bases of 18208286979480080

• Binary: 1000000101100000101011100101101011000010101101000010000₂
• Hexadecimal: 0x40B0572D615A10
• Base-36: 4ZAARK7JLE8

Squares and roots of 18208286979480080

• 18208286979480080 squared (18208286979480080²) is 331541714727103815266987116806400
• 18208286979480080 cubed (18208286979480080³) is 6036806687420023484313290927140100358902016512000
• The square root of 18208286979480080 is 134938085.7263066409
• The cube root of 18208286979480080 is 263081.1287611793

Scales and comparisons

• 18,208,286,979,480,080 seconds is equal to 578,967,204 years, 6 days, 12 hours, 1 minute, 20 seconds.
• To count from 1 to 18,208,286,979,480,080 would take you about one billion, seven hundred thirty-six million, nine hundred one thousand, six hundred twelve 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 18208286979480080 cubic inches would be around 21923.4 feet tall.

Recreational maths with 18208286979480080

• 18208286979480080 backwards is 08008497968280281
• 18208286979480080 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18208286979480080's digits is 80
• More coming soon!