18055585890

Names of 18055585890

• Cardinal: 18055585890 can be written as Eighteen billion, fifty-five million, five hundred eighty-five thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.805558589 × 10¹⁰

Factors of 18055585890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5325

Divisors of 18055585890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 29 30 45 58 87 90 145 174 261 290 435 522 870 1305 2383 2610 2903 4766 5806 7149 8709 11915 14298 14515 17418 21447 23830 26127 29030 35745 42894 43545 52254 69107 71490 84187 87090 107235 130635 138214 168374 207321 214470 252561 261270 345535 414642 420935 505122 621963 691070 757683 841870 1036605 1243926 1262805 1515366 2073210 2525610 3109815 3788415 6219630 6917849 7576830 13835698 20753547 34589245 41507094 62260641 69178490 103767735 124521282 200617621 207535470 311303205 401235242 601852863 622606410 1003088105 1203705726 1805558589 2006176210 3009264315 3611117178 6018528630 9027792945 18055585890
• Sum of all divisors σ(n): 48600414720
• Sum of proper divisors (its aliquot sum) s(n): 30544828830
• 18055585890 is an abundant number, because the sum of its proper divisors (30544828830) is greater than itself. Its abundance is 12489242940

Bases of 18055585890

• Binary: 10000110100001100100110000001100010₂
• Hexadecimal: 0x434326062
• Base-36: 8ALTV8I

Squares and roots of 18055585890

• 18055585890 squared (18055585890²) is 326004181831167092100
• 18055585890 cubed (18055585890³) is 5886196505551814910353090469000
• The square root of 18055585890 is 134371.0753473381
• The cube root of 18055585890 is 2623.4363302287

Scales and comparisons

• 18,055,585,890 seconds is equal to 574 years, 5 weeks, 5 days, 16 hours, 31 minutes, 30 seconds.
• To count from 1 to 18,055,585,890 would take you about one thousand, one hundred forty-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 18055585890 cubic inches would be around 218.6 feet tall.

Recreational maths with 18055585890

• 18055585890 backwards is 09858555081
• The number of decimal digits it has is: 11
• The sum of 18055585890's digits is 54
• More coming soon!