18181806225072

Names of 18181806225072

• Cardinal: 18181806225072 can be written as Eighteen trillion, one hundred eighty-one billion, eight hundred six million, two hundred twenty-five thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8181806225072 × 10¹³

Factors of 18181806225072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 83636700

Divisors of 18181806225072

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 647 1294 1941 2588 3882 4529 5176 7764 9058 10352 13587 15528 18116 27174 31056 36232 54348 72464 108696 217392 83636041 167272082 250908123 334544164 501816246 585452287 669088328 1003632492 1170904574 1338176656 1756356861 2007264984 2341809148 3512713722 4014529968 4683618296 7025427444 9367236592 14050854888 28101709776 54112518527 108225037054 162337555581 216450074108 324675111162 378787629689 432900148216 649350222324 757575259378 865800296432 1136362889067 1298700444648 1515150518756 2272725778134 2597400889296 3030301037512 4545451556268 6060602075024 9090903112536 18181806225072
• Sum of all divisors σ(n): 53762585974272
• Sum of proper divisors (its aliquot sum) s(n): 35580779749200
• 18181806225072 is an abundant number, because the sum of its proper divisors (35580779749200) is greater than itself. Its abundance is 17398973524128

Bases of 18181806225072

• Binary: 100001000100101001000000110011111011010110000₂
• Hexadecimal: 0x10894819F6B0
• Base-36: 6G0LTZHYO

Squares and roots of 18181806225072

• 18181806225072 squared (18181806225072²) is 330578077606066930721405184
• 18181806225072 cubed (18181806225072³) is 6010506549290322440344725334210411573248
• The square root of 18181806225072 is 4264012.9250592099
• The cube root of 18181806225072 is 26295.3531791645

Scales and comparisons

• 18,181,806,225,072 seconds is equal to 578,125 years, 10 weeks, 2 days, 1 hour, 11 minutes, 12 seconds.
• To count from 1 to 18,181,806,225,072 would take you about one million, four hundred forty-five thousand, three hundred twelve 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 18181806225072 cubic inches would be around 2191.3 feet tall.

Recreational maths with 18181806225072

• 18181806225072 backwards is 27052260818181
• The number of decimal digits it has is: 14
• The sum of 18181806225072's digits is 51
• More coming soon!