18309898838

Names of 18309898838

• Cardinal: 18309898838 can be written as Eighteen billion, three hundred nine million, eight hundred ninety-eight thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.8309898838 × 10¹⁰

Factors of 18309898838

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1173

Divisors of 18309898838

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 7 11 14 22 29 31 58 62 77 121 154 203 217 242 319 341 406 434 638 682 847 899 1093 1331 1694 1798 2186 2233 2387 2662 3509 3751 4466 4774 6293 7018 7502 7651 9317 9889 12023 12586 15302 18634 19778 24046 24563 26257 31697 33883 38599 41261 49126 52514 63394 67766 69223 77198 82522 84161 108779 132253 138446 168322 217558 221879 237181 264506 270193 288827 348667 372713 443758 474362 540386 577654 697334 745426 761453 925771 982607 1196569 1454783 1522906 1851542 1965214 2393138 2440669 2608991 2909566 3835337 4099843 4881338 5217982 6878249 7670674 8199686 8375983 10183481 10808677 13756498 16751966 20366962 21617354 26847359 28698901 42188707 45098273 53694718 57397802 75660739 84377414 90196546 118895447 151321478 237790894 295320949 315687911 590641898 631375822 832268129 1307849917 1664536258 2615699834 9154949419 18309898838
• Sum of all divisors σ(n): 36901232640
• Sum of proper divisors (its aliquot sum) s(n): 18591333802
• 18309898838 is an abundant number, because the sum of its proper divisors (18591333802) is greater than itself. Its abundance is 281434964

Bases of 18309898838

• Binary: 10001000011010110101110001001010110₂
• Hexadecimal: 0x4435AE256
• Base-36: 8ET8OD2

Squares and roots of 18309898838

• 18309898838 squared (18309898838²) is 335252395457793750244
• 18309898838 cubed (18309898838³) is 6138437446029374265636277816472
• The square root of 18309898838 is 135314.0747963789
• The cube root of 18309898838 is 2635.6959846241

Scales and comparisons

• 18,309,898,838 seconds is equal to 582 years, 10 weeks, 2 days, 3 hours, 38 seconds.
• To count from 1 to 18,309,898,838 would take you about one thousand, one hundred sixty-four 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 18309898838 cubic inches would be around 219.6 feet tall.

Recreational maths with 18309898838

• 18309898838 backwards is 83889890381
• The number of decimal digits it has is: 11
• The sum of 18309898838's digits is 65
• More coming soon!