872838468018

Names of 872838468018

• Cardinal: 872838468018 can be written as Eight hundred seventy-two billion, eight hundred thirty-eight million, four hundred sixty-eight thousand and eighteen.

Scientific notation

• Scientific notation: 8.72838468018 × 10¹¹

Factors of 872838468018

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2214298

Divisors of 872838468018

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 11 18 22 33 66 99 121 181 198 242 362 363 543 726 1086 1089 1629 1991 2178 3258 3982 5973 11946 17919 21901 35838 43802 65703 131406 197109 394218 2214101 4428202 6642303 13284606 19926909 24355111 39853818 48710222 73065333 146130666 219195999 267906221 400752281 438391998 535812442 801504562 803718663 1202256843 1607437326 2404513686 2411155989 3606770529 4408275091 4822311978 7213541058 8816550182 13224825273 26449650546 39674475819 48491026001 79348951638 96982052002 145473078003 290946156006 436419234009 872838468018
• Sum of all divisors σ(n): 2090187567468
• Sum of proper divisors (its aliquot sum) s(n): 1217349099450
• 872838468018 is an abundant number, because the sum of its proper divisors (1217349099450) is greater than itself. Its abundance is 344510631432

Bases of 872838468018

• Binary: 1100101100111001001110100001000110110010₂
• Hexadecimal: 0xCB393A11B2
• Base-36: B4Z5HK8I

Squares and roots of 872838468018

• 872838468018 squared (872838468018²) is 761846991252009208848324
• 872838468018 cubed (872838468018³) is 664969360708526365615599330286901832
• The square root of 872838468018 is 934258.2448220621
• The cube root of 872838468018 is 9556.7734920995

Scales and comparisons

• 872,838,468,018 seconds is equal to 27,753 years, 29 weeks, 2 days, 2 hours, 18 seconds.
• To count from 1 to 872,838,468,018 would take you about fifty-five thousand, five hundred seven 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 872838468018 cubic inches would be around 796.4 feet tall.

Recreational maths with 872838468018

• 872838468018 backwards is 810864838278
• The number of decimal digits it has is: 12
• The sum of 872838468018's digits is 63
• More coming soon!