21108011064

Names of 21108011064

• Cardinal: 21108011064 can be written as Twenty-one billion, one hundred eight million, eleven thousand and sixty-four.

Scientific notation

• Scientific notation: 2.1108011064 × 10¹⁰

Factors of 21108011064

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20462

Divisors of 21108011064

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 147 168 196 294 392 588 919 1176 1838 2757 3676 5514 6433 7352 11028 12866 19299 19531 22056 25732 38598 39062 45031 51464 58593 77196 78124 90062 117186 135093 136717 154392 156248 180124 234372 270186 273434 360248 410151 468744 540372 546868 820302 957019 1080744 1093736 1640604 1914038 2871057 3281208 3828076 5742114 7656152 11484228 17948989 22968456 35897978 53846967 71795956 107693934 125642923 143591912 215387868 251285846 376928769 430775736 502571692 753857538 879500461 1005143384 1507715076 1759000922 2638501383 3015430152 3518001844 5277002766 7036003688 10554005532 21108011064
• Sum of all divisors σ(n): 61455484800
• Sum of proper divisors (its aliquot sum) s(n): 40347473736
• 21108011064 is an abundant number, because the sum of its proper divisors (40347473736) is greater than itself. Its abundance is 19239462672

Bases of 21108011064

• Binary: 10011101010001000101011000000111000₂
• Hexadecimal: 0x4EA22B038
• Base-36: 9P35XKO

Squares and roots of 21108011064

• 21108011064 squared (21108011064²) is 445548131077946412096
• 21108011064 cubed (21108011064³) is 9404634880337815112921471430144
• The square root of 21108011064 is 145285.9630659479
• The cube root of 21108011064 is 2763.6461587763

Scales and comparisons

• 21,108,011,064 seconds is equal to 671 years, 8 weeks, 5 days, 16 hours, 24 minutes, 24 seconds.
• To count from 1 to 21,108,011,064 would take you about one thousand, three 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 21108011064 cubic inches would be around 230.3 feet tall.

Recreational maths with 21108011064

• 21108011064 backwards is 46011080112
• 21108011064 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21108011064's digits is 24
• More coming soon!