21222811080

Names of 21222811080

• Cardinal: 21222811080 can be written as Twenty-one billion, two hundred twenty-two million, eight hundred eleven thousand and eighty.

Scientific notation

• Scientific notation: 2.122281108 × 10¹⁰

Factors of 21222811080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19650761

Divisors of 21222811080

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 30 36 40 45 54 60 72 90 108 120 135 180 216 270 360 540 1080 19650751 39301502 58952253 78603004 98253755 117904506 157206008 176856759 196507510 235809012 294761265 353713518 393015020 471618024 530570277 589522530 707427036 786030040 884283795 1061140554 1179045060 1414854072 1768567590 2122281108 2358090120 2652851385 3537135180 4244562216 5305702770 7074270360 10611405540 21222811080
• Sum of all divisors σ(n): 70742707200
• Sum of proper divisors (its aliquot sum) s(n): 49519896120
• 21222811080 is an abundant number, because the sum of its proper divisors (49519896120) is greater than itself. Its abundance is 28297085040

Bases of 21222811080

• Binary: 10011110000111110100110010111001000₂
• Hexadecimal: 0x4F0FA65C8
• Base-36: 9QZIHU0

Squares and roots of 21222811080

• 21222811080 squared (21222811080²) is 450407710137370766400
• 21222811080 cubed (21222811080³) is 9558917741220820623222011712000
• The square root of 21222811080 is 145680.5102956467
• The cube root of 21222811080 is 2768.6473118433

Scales and comparisons

• 21,222,811,080 seconds is equal to 674 years, 42 weeks, 4 days, 9 hours, 18 minutes.
• To count from 1 to 21,222,811,080 would take you about one thousand, three hundred forty-nine 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 21222811080 cubic inches would be around 230.7 feet tall.

Recreational maths with 21222811080

• 21222811080 backwards is 08011822212
• 21222811080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21222811080's digits is 27
• More coming soon!