18418055712

Names of 18418055712

• Cardinal: 18418055712 can be written as Eighteen billion, four hundred eighteen million, fifty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8418055712 × 10¹⁰

Factors of 18418055712

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3915415

Divisors of 18418055712

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 49 56 84 96 98 112 147 168 196 224 294 336 392 588 672 784 1176 1568 2352 4704 3915403 7830806 11746209 15661612 23492418 27407821 31323224 46984836 54815642 62646448 82223463 93969672 109631284 125292896 164446926 187939344 191854747 219262568 328893852 375878688 383709494 438525136 575564241 657787704 767418988 877050272 1151128482 1315575408 1534837976 2302256964 2631150816 3069675952 4604513928 6139351904 9209027856 18418055712
• Sum of all divisors σ(n): 56240863056
• Sum of proper divisors (its aliquot sum) s(n): 37822807344
• 18418055712 is an abundant number, because the sum of its proper divisors (37822807344) is greater than itself. Its abundance is 19404751632

Bases of 18418055712

• Binary: 10001001001110011010011101000100000₂
• Hexadecimal: 0x449CD3A20
• Base-36: 8GLMUQO

Squares and roots of 18418055712

• 18418055712 squared (18418055712²) is 339224776210335826944
• 18418055712 cubed (18418055712³) is 6247860827132697490884182704128
• The square root of 18418055712 is 135713.1375807073
• The cube root of 18418055712 is 2640.8754993427

Scales and comparisons

• 18,418,055,712 seconds is equal to 585 years, 33 weeks, 22 hours, 35 minutes, 12 seconds.
• To count from 1 to 18,418,055,712 would take you about one thousand, one hundred seventy-one 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 18418055712 cubic inches would be around 220.1 feet tall.

Recreational maths with 18418055712

• 18418055712 backwards is 21755081481
• 18418055712 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18418055712's digits is 42
• More coming soon!