21440059792

Names of 21440059792

• Cardinal: 21440059792 can be written as Twenty-one billion, four hundred forty million, fifty-nine thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1440059792 × 10¹⁰

Factors of 21440059792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 185785

Divisors of 21440059792

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 8 16 31 62 124 233 248 466 496 932 1864 3728 7223 14446 28892 57784 115568 185519 371038 742076 1484152 2968304 5751089 11502178 23004356 43225927 46008712 86451854 92017424 172903708 345807416 691614832 1340003737 2680007474 5360014948 10720029896 21440059792
• Sum of all divisors σ(n): 43064386560
• Sum of proper divisors (its aliquot sum) s(n): 21624326768
• 21440059792 is an abundant number, because the sum of its proper divisors (21624326768) is greater than itself. Its abundance is 184266976

Bases of 21440059792

• Binary: 10011111101111011010101100110010000₂
• Hexadecimal: 0x4FDED5990
• Base-36: 9UKUW0G

Squares and roots of 21440059792

• 21440059792 squared (21440059792²) is 459676163884535083264
• 21440059792 cubed (21440059792³) is 9855484438641623169301858521088
• The square root of 21440059792 is 146424.2459157635
• The cube root of 21440059792 is 2778.0624057005

Scales and comparisons

• 21,440,059,792 seconds is equal to 681 years, 37 weeks, 5 days, 20 hours, 9 minutes, 52 seconds.
• To count from 1 to 21,440,059,792 would take you about one thousand, three hundred sixty-three 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 21440059792 cubic inches would be around 231.5 feet tall.

Recreational maths with 21440059792

• 21440059792 backwards is 29795004412
• The number of decimal digits it has is: 11
• The sum of 21440059792's digits is 43
• More coming soon!