18165217707

Names of 18165217707

• Cardinal: 18165217707 can be written as Eighteen billion, one hundred sixty-five million, two hundred seventeen thousand, seven hundred seven.

Scientific notation

• Scientific notation: 1.8165217707 × 10¹⁰

Factors of 18165217707

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 329

Divisors of 18165217707

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 13 21 27 39 63 81 91 113 117 189 193 273 339 351 567 579 791 819 1017 1053 1351 1469 1737 2373 2457 2509 3051 4053 4407 5211 7119 7371 7527 9153 10283 12159 12769 13221 15633 17563 21357 21809 22581 30849 36477 38307 39663 52689 64071 65427 67743 89383 92547 109431 114921 118989 152663 158067 165997 196281 203229 268149 277641 283517 344763 457989 474201 497991 588843 804447 832923 850551 1034289 1161979 1373967 1422603 1493973 1766529 1984619 2413341 2464417 2551653 3485937 4121901 4481919 5953857 7240023 7393251 7654959 10457811 12365703 13445757 17250919 17861571 22179753 22964877 31373433 32037421 51752757 53584713 66539259 94120299 96112263 155258271 160754139 199617777 224261947 288336789 465774813 672785841 865010367 1397324439 2018357523 2595031101 6055072569 18165217707
• Sum of all divisors σ(n): 33870540704
• Sum of proper divisors (its aliquot sum) s(n): 15705322997
• 18165217707 is a deficient number, because the sum of its proper divisors (15705322997) is less than itself. Its deficiency is 2459894710

Bases of 18165217707

• Binary: 10000111010101110110011100110101011₂
• Hexadecimal: 0x43ABB39AB
• Base-36: 8CF3NOR

Squares and roots of 18165217707

• 18165217707 squared (18165217707²) is 329975134342706337849
• 18165217707 cubed (18165217707³) is 5994070153231832974595779092243
• The square root of 18165217707 is 134778.4022275083
• The cube root of 18165217707 is 2628.7353723333

Scales and comparisons

• 18,165,217,707 seconds is equal to 577 years, 31 weeks, 13 hours, 48 minutes, 27 seconds.
• To count from 1 to 18,165,217,707 would take you about one thousand, one hundred fifty-five 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 18165217707 cubic inches would be around 219.1 feet tall.

Recreational maths with 18165217707

• 18165217707 backwards is 70771256181
• The number of decimal digits it has is: 11
• The sum of 18165217707's digits is 45
• More coming soon!