18166357008

Names of 18166357008

• Cardinal: 18166357008 can be written as Eighteen billion, one hundred sixty-six million, three hundred fifty-seven thousand and eight.

Scientific notation

• Scientific notation: 1.8166357008 × 10¹⁰

Factors of 18166357008

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 124827

Divisors of 18166357008

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1019 2038 3057 4076 6114 8152 9171 12228 16304 18342 24456 36684 48912 73368 123803 146736 247606 371409 495212 742818 990424 1114227 1485636 1980848 2228454 2971272 4456908 5942544 8913816 17827632 126155257 252310514 378465771 504621028 756931542 1009242056 1135397313 1513863084 2018484112 2270794626 3027726168 4541589252 6055452336 9083178504 18166357008
• Sum of all divisors σ(n): 50890872240
• Sum of proper divisors (its aliquot sum) s(n): 32724515232
• 18166357008 is an abundant number, because the sum of its proper divisors (32724515232) is greater than itself. Its abundance is 14558158224

Bases of 18166357008

• Binary: 10000111010110011001001110000010000₂
• Hexadecimal: 0x43ACC9C10
• Base-36: 8CFS2S0

Squares and roots of 18166357008

• 18166357008 squared (18166357008²) is 330016526942110712064
• 18166357008 cubed (18166357008³) is 5995198046970633744415716544512
• The square root of 18166357008 is 134782.6287323407
• The cube root of 18166357008 is 2628.7903282439

Scales and comparisons

• 18,166,357,008 seconds is equal to 577 years, 32 weeks, 6 days, 18 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,166,357,008 would take you about one thousand, one hundred fifty-five 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 18166357008 cubic inches would be around 219.1 feet tall.

Recreational maths with 18166357008

• 18166357008 backwards is 80075366181
• The number of decimal digits it has is: 11
• The sum of 18166357008's digits is 45
• More coming soon!