18071121465

Names of 18071121465

• Cardinal: 18071121465 can be written as Eighteen billion, seventy-one million, one hundred twenty-one thousand, four hundred sixty-five.

Scientific notation

• Scientific notation: 1.8071121465 × 10¹⁰

Factors of 18071121465

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 235

Divisors of 18071121465

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 15 17 27 45 51 81 83 85 127 135 153 243 249 255 381 405 415 459 635 747 765 1143 1215 1245 1377 1411 1905 2159 2241 2295 3429 3735 4131 4233 5715 6477 6723 6885 6889 7055 10287 10541 10795 11205 12699 17145 19431 20169 20655 20667 21165 30861 31623 32385 33615 34445 38097 51435 52705 58293 62001 63495 94869 97155 100845 103335 114291 117113 154305 158115 174879 179197 186003 190485 284607 291465 310005 342873 351339 474345 524637 537591 558009 571455 585565 853821 874395 874903 895985 930015 1054017 1423035 1612773 1674027 1714365 1756695 2561463 2623185 2624709 2687955 2790045 3162051 4269105 4374515 4838319 5270085 7874127 8063865 8370135 9486153 12807315 13123545 14514957 14873351 15810255 23622381 24191595 28458459 39370635 43544871 44620053 47430765 70867143 72574785 74366755 118111905 133860159 142292295 212601429 217724355 223100265 354335715 401580477 669300795 1063007145 1204741431 2007902385 3614224293 6023707155 18071121465
• Sum of all divisors σ(n): 35087689728
• Sum of proper divisors (its aliquot sum) s(n): 17016568263
• 18071121465 is a deficient number, because the sum of its proper divisors (17016568263) is less than itself. Its deficiency is 1054553202

Bases of 18071121465

• Binary: 10000110101000111110110111000111001₂
• Hexadecimal: 0x4351F6E39
• Base-36: 8AV2UK9

Squares and roots of 18071121465

• 18071121465 squared (18071121465²) is 326565431002783746225
• 18071121465 cubed (18071121465³) is 5901403569921381831159710219625
• The square root of 18071121465 is 134428.8713967355
• The cube root of 18071121465 is 2624.1885426521

Scales and comparisons

• 18,071,121,465 seconds is equal to 574 years, 31 weeks, 3 days, 11 hours, 57 minutes, 45 seconds.
• To count from 1 to 18,071,121,465 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 18071121465 cubic inches would be around 218.7 feet tall.

Recreational maths with 18071121465

• 18071121465 backwards is 56412117081
• The number of decimal digits it has is: 11
• The sum of 18071121465's digits is 36
• More coming soon!