18222391980

Names of 18222391980

• Cardinal: 18222391980 can be written as Eighteen billion, two hundred twenty-two million, three hundred ninety-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.822239198 × 10¹⁰

Factors of 18222391980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7787370

Divisors of 18222391980

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 30 36 39 45 52 60 65 78 90 117 130 156 180 195 234 260 390 468 585 780 1170 2340 7787347 15574694 23362041 31149388 38936735 46724082 70086123 77873470 93448164 101235511 116810205 140172246 155746940 202471022 233620410 280344492 303706533 350430615 404942044 467240820 506177555 607413066 700861230 911119599 1012355110 1214826132 1401722460 1518532665 1822239198 2024710220 3037065330 3644478396 4555597995 6074130660 9111195990 18222391980
• Sum of all divisors σ(n): 59526488112
• Sum of proper divisors (its aliquot sum) s(n): 41304096132
• 18222391980 is an abundant number, because the sum of its proper divisors (41304096132) is greater than itself. Its abundance is 23081704152

Bases of 18222391980

• Binary: 10000111110001000111010001010101100₂
• Hexadecimal: 0x43E23A2AC
• Base-36: 8DD53N0

Squares and roots of 18222391980

• 18222391980 squared (18222391980²) is 332055569472768320400
• 18222391980 cubed (18222391980³) is 6050846746074906270055030392000
• The square root of 18222391980 is 134990.3403210763
• The cube root of 18222391980 is 2631.4904292389

Scales and comparisons

• 18,222,391,980 seconds is equal to 579 years, 21 weeks, 4 days, 7 hours, 33 minutes.
• To count from 1 to 18,222,391,980 would take you about one thousand, one hundred fifty-eight 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 18222391980 cubic inches would be around 219.3 feet tall.

Recreational maths with 18222391980

• 18222391980 backwards is 08919322281
• 18222391980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18222391980's digits is 45
• More coming soon!