18266979072

Names of 18266979072

• Cardinal: 18266979072 can be written as Eighteen billion, two hundred sixty-six million, nine hundred seventy-nine thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8266979072 × 10¹⁰

Factors of 18266979072

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4882

Divisors of 18266979072

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 768 4877 9754 14631 19508 29262 39016 58524 78032 117048 156064 234096 312128 468192 624256 936384 1248512 1872768 3745536 23785129 47570258 71355387 95140516 142710774 190281032 285421548 380562064 570843096 761124128 1141686192 1522248256 2283372384 3044496512 4566744768 6088993024 9133489536 18266979072
• Sum of all divisors σ(n): 48626774308
• Sum of proper divisors (its aliquot sum) s(n): 30359795236
• 18266979072 is an abundant number, because the sum of its proper divisors (30359795236) is greater than itself. Its abundance is 12092816164

Bases of 18266979072

• Binary: 10001000000110010111111101100000000₂
• Hexadecimal: 0x440CBFB00
• Base-36: 8E3OR9C

Squares and roots of 18266979072

• 18266979072 squared (18266979072²) is 333682524416885981184
• 18266979072 cubed (18266979072³) is 6095371690215385221698313781248
• The square root of 18266979072 is 135155.3886162147
• The cube root of 18266979072 is 2633.6349508425

Scales and comparisons

• 18,266,979,072 seconds is equal to 580 years, 43 weeks, 2 days, 8 hours, 51 minutes, 12 seconds.
• To count from 1 to 18,266,979,072 would take you about one thousand, one hundred sixty-one 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 18266979072 cubic inches would be around 219.5 feet tall.

Recreational maths with 18266979072

• 18266979072 backwards is 27097966281
• The number of decimal digits it has is: 11
• The sum of 18266979072's digits is 57
• More coming soon!