18189372008899

Names of 18189372008899

• Cardinal: 18189372008899 can be written as Eighteen trillion, one hundred eighty-nine billion, three hundred seventy-two million, eight thousand, eight hundred ninety-nine.

Scientific notation

• Scientific notation: 1.8189372008899 × 10¹³

Factors of 18189372008899

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 37

Divisors of 18189372008899

• Number of divisors d(n): 112
• Complete list of divisors:
  1 7 13 17 49 91 119 169 221 289 343 637 833 1183 1547 2023 2197 2873 3757 4459 4913 5831 8281 10829 14161 15379 20111 26299 34391 37349 48841 57967 63869 75803 83521 99127 107653 140777 184093 240737 261443 341887 447083 584647 634933 753571 830297 985439 1085773 1288651 1419857 1685159 1830101 2393209 3129581 4092529 4444531 5812079 7600411 9938999 10793861 12810707 14115049 16752463 18458141 21907067 24137569 28647703 31111717 40684553 53202877 69572993 75557027 98805343 129206987 168962983 183495637 217782019 239955833 284791871 313788397 372420139 487010951 528899189 691637401 904448909 1182740881 1284469459 1679690831 2196518779 3119425829 3702294323 4079249161 4841461807 6331142363 8279186167 8991286213 11757835817 15375631453 21835980803 28554744127 53030239093 62939003491 82304850719 107629420171 152851865621 199883208889 371211673651 1069963059347 1399182462223 2598481715557 18189372008899
• Sum of all divisors σ(n): 24415150984000
• Sum of proper divisors (its aliquot sum) s(n): 6225778975101
• 18189372008899 is a deficient number, because the sum of its proper divisors (6225778975101) is less than itself. Its deficiency is 11963593033798

Bases of 18189372008899

• Binary: 100001000101100001011000011101010100111000011₂
• Hexadecimal: 0x108B0B0EA9C3
• Base-36: 6G42YGI4J

Squares and roots of 18189372008899

• 18189372008899 squared (18189372008899²) is 330853254078118442935192201
• 18189372008899 cubed (18189372008899³) is 6018012918781676526650158859168047396699
• The square root of 18189372008899 is 4264899.9998709231
• 18189372008899 is a perfect cube number. Its cube root is 26299
• Being both a perfect square and a perfect cube, 18189372008899 is also a perfect sixth number.

Scales and comparisons

• 18,189,372,008,899 seconds is equal to 578,365 years, 39 weeks, 5 days, 23 hours, 48 minutes, 19 seconds.
• To count from 1 to 18,189,372,008,899 would take you about one million, four hundred forty-five thousand, nine hundred fourteen 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 18189372008899 cubic inches would be around 2191.6 feet tall.

Recreational maths with 18189372008899

• 18189372008899 backwards is 99880027398181
• The number of decimal digits it has is: 14
• The sum of 18189372008899's digits is 73
• More coming soon!