18080077869

Names of 18080077869

• Cardinal: 18080077869 can be written as Eighteen billion, eighty million, seventy-seven thousand, eight hundred sixty-nine.

Scientific notation

• Scientific notation: 1.8080077869 × 10¹⁰

Factors of 18080077869

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 80

Divisors of 18080077869

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 7 9 21 29 41 49 63 87 123 147 203 261 287 369 441 609 841 861 1189 1421 1681 1827 2009 2523 2583 3567 4263 5043 5887 6027 7569 8323 10701 11767 12789 15129 17661 18081 24389 24969 34481 35301 41209 48749 52983 58261 73167 74907 82369 103443 105903 123627 146247 170723 174783 219501 241367 247107 310329 341243 370881 438741 512169 524349 724101 741321 999949 1023729 1195061 1413721 1536507 1689569 2172303 2388701 2999847 3071187 3585183 4241163 5068707 6999643 7166103 8999541 9896047 10755549 12723489 15206121 20998929 21498309 29688141 40997909 48997501 62996787 69272329 89064423 122993727 146992503 207816987 286985363 368981181 440977509 623450961 860956089 2008897541 2582868267 6026692623 18080077869
• Sum of all divisors σ(n): 32250528180
• Sum of proper divisors (its aliquot sum) s(n): 14170450311
• 18080077869 is a deficient number, because the sum of its proper divisors (14170450311) is less than itself. Its deficiency is 3909627558

Bases of 18080077869

• Binary: 10000110101101010000001100000101101₂
• Hexadecimal: 0x435A8182D
• Base-36: 8B0ETD9

Squares and roots of 18080077869

• 18080077869 squared (18080077869²) is 326889215749103581161
• 18080077869 cubed (18080077869³) is 5910182475280133914337641425909
• The square root of 18080077869 is 134462.1800693415
• The cube root of 18080077869 is 2624.6220042383

Scales and comparisons

• 18,080,077,869 seconds is equal to 574 years, 46 weeks, 2 days, 3 hours, 51 minutes, 9 seconds.
• To count from 1 to 18,080,077,869 would take you about one thousand, one hundred forty-nine 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 18080077869 cubic inches would be around 218.7 feet tall.

Recreational maths with 18080077869

• 18080077869 backwards is 96877008081
• The number of decimal digits it has is: 11
• The sum of 18080077869's digits is 54
• More coming soon!