18916427313

Names of 18916427313

• Cardinal: 18916427313 can be written as Eighteen billion, nine hundred sixteen million, four hundred twenty-seven thousand, three hundred thirteen.

Scientific notation

• Scientific notation: 1.8916427313 × 10¹⁰

Factors of 18916427313

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 118

Divisors of 18916427313

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 21 27 29 49 63 79 87 147 189 203 237 261 441 553 609 711 783 1323 1421 1659 1827 2133 2291 3871 4263 4977 5481 6241 6873 11613 12789 14931 16037 18723 20619 34839 38367 43687 48111 56169 61857 104517 112259 131061 144333 168507 180989 305809 336777 393183 432999 493039 542967 917427 1010331 1179549 1266923 1479117 1628901 2752281 3030993 3451273 3800769 4437351 4886703 8256843 8868461 10353819 11402307 13312053 14298131 24158911 26605383 31061457 34206921 42894393 72476733 79816149 93184371 100086917 128683179 217430199 239448447 300260751 386049537 652290597 700608419 900782253 2101825257 2702346759 6305475771 18916427313
• Sum of all divisors σ(n): 34156224000
• Sum of proper divisors (its aliquot sum) s(n): 15239796687
• 18916427313 is a deficient number, because the sum of its proper divisors (15239796687) is less than itself. Its deficiency is 3676630626

Bases of 18916427313

• Binary: 10001100111100000011100011000110001₂
• Hexadecimal: 0x46781C631
• Base-36: 8OUCOQ9

Squares and roots of 18916427313

• 18916427313 squared (18916427313²) is 357831222288012399969
• 18916427313 cubed (18916427313³) is 6768888306733132115256271953297
• The square root of 18916427313 is 137537.0034318037
• The cube root of 18916427313 is 2664.4835212659

Scales and comparisons

• 18,916,427,313 seconds is equal to 601 years, 25 weeks, 1 day, 3 hours, 8 minutes, 33 seconds.
• To count from 1 to 18,916,427,313 would take you about one thousand, two hundred two 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 18916427313 cubic inches would be around 222 feet tall.

Recreational maths with 18916427313

• 18916427313 backwards is 31372461981
• The number of decimal digits it has is: 11
• The sum of 18916427313's digits is 45
• More coming soon!