18081528927

Names of 18081528927

• Cardinal: 18081528927 can be written as Eighteen billion, eighty-one million, five hundred twenty-eight thousand, nine hundred twenty-seven.

Scientific notation

• Scientific notation: 1.8081528927 × 10¹⁰

Factors of 18081528927

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 637

Divisors of 18081528927

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 7 11 21 33 37 61 77 79 111 183 231 237 259 407 427 439 553 671 777 869 1221 1281 1317 1659 2013 2257 2607 2849 2923 3073 4697 4819 4829 6083 6771 8547 8769 9219 14091 14457 14487 15799 16243 18249 20461 24827 26779 32153 33733 33803 34681 47397 48729 53009 61383 74481 80337 96459 101199 101409 104043 113701 159027 173789 178303 178673 187453 225071 242767 294569 341103 371063 381491 521367 534909 536019 562359 675213 728301 883707 990823 1113189 1144473 1248121 1250711 1283197 1961333 2061983 2115541 2670437 2972469 3744363 3752133 3849591 5883999 6185949 6346623 6935761 8011311 8982379 10899053 13729331 14115167 14808787 20807283 23270951 26947137 32697159 41187993 42345501 44426361 69812853 76293371 78275017 98806169 162896657 228880113 234825051 296418507 488689971 547925119 861025187 1643775357 2583075561 6027176309 18081528927
• Sum of all divisors σ(n): 31845580800
• Sum of proper divisors (its aliquot sum) s(n): 13764051873
• 18081528927 is a deficient number, because the sum of its proper divisors (13764051873) is less than itself. Its deficiency is 4317477054

Bases of 18081528927

• Binary: 10000110101101111100011110001011111₂
• Hexadecimal: 0x435BE3C5F
• Base-36: 8B19X0F

Squares and roots of 18081528927

• 18081528927 squared (18081528927²) is 326941688337937771329
• 18081528927 cubed (18081528927³) is 5911605595124640363811224733983
• The square root of 18081528927 is 134467.5757459767
• The cube root of 18081528927 is 2624.6922173741

Scales and comparisons

• 18,081,528,927 seconds is equal to 574 years, 48 weeks, 4 days, 22 hours, 55 minutes, 27 seconds.
• To count from 1 to 18,081,528,927 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 18081528927 cubic inches would be around 218.7 feet tall.

Recreational maths with 18081528927

• 18081528927 backwards is 72982518081
• The number of decimal digits it has is: 11
• The sum of 18081528927's digits is 51
• More coming soon!