18127391044

Names of 18127391044

• Cardinal: 18127391044 can be written as Eighteen billion, one hundred twenty-seven million, three hundred ninety-one thousand and forty-four.

Scientific notation

• Scientific notation: 1.8127391044 × 10¹⁰

Factors of 18127391044

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 231

Divisors of 18127391044

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 4 7 14 28 49 59 98 118 163 196 236 326 413 652 826 1141 1652 2282 2891 3481 4564 5782 6962 7987 9617 11564 13924 15974 19234 24367 26569 31948 38468 48734 53138 67319 97468 106276 134638 170569 185983 269276 341138 371966 471233 567403 682276 743932 942466 1134806 1301881 1567571 1884932 2269612 2603762 3135142 3971821 5207524 6270284 7943642 10972997 15887284 21945994 27802747 43891988 55605494 76810979 92486689 111210988 153621958 184973378 307243916 369946756 647406823 1294813646 2589627292 4531847761 9063695522 18127391044
• Sum of all divisors σ(n): 37769959647
• Sum of proper divisors (its aliquot sum) s(n): 19642568603
• 18127391044 is an abundant number, because the sum of its proper divisors (19642568603) is greater than itself. Its abundance is 1515177559

Bases of 18127391044

• Binary: 10000111000011110100000100101000100₂
• Hexadecimal: 0x4387A0944
• Base-36: 8BSKWG4

Squares and roots of 18127391044

• 18127391044 squared (18127391044²) is 328602306062091409936
• 18127391044 cubed (18127391044³) is 5956702499947702732383179013184
• 18127391044 is a perfect square number. Its square root is 134638
• The cube root of 18127391044 is 2626.9094397631

Scales and comparisons

• 18,127,391,044 seconds is equal to 576 years, 20 weeks, 3 days, 18 hours, 24 minutes, 4 seconds.
• To count from 1 to 18,127,391,044 would take you about one thousand, one hundred fifty-two 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 18127391044 cubic inches would be around 218.9 feet tall.

Recreational maths with 18127391044

• 18127391044 backwards is 44019372181
• The number of decimal digits it has is: 11
• The sum of 18127391044's digits is 40
• More coming soon!