18908432375

Names of 18908432375

• Cardinal: 18908432375 can be written as Eighteen billion, nine hundred eight million, four hundred thirty-two thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.8908432375 × 10¹⁰

Factors of 18908432375

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 222

Divisors of 18908432375

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 25 35 49 53 125 157 175 245 265 343 371 785 875 1099 1225 1325 1715 1855 2597 2809 3925 5495 6125 6625 7693 8321 8575 9275 12985 14045 18179 19625 19663 27475 38465 41605 42875 46375 53851 58247 64925 70225 90895 98315 137375 137641 192325 208025 269255 291235 324625 351125 407729 441013 454475 491575 688205 961625 963487 1040125 1346275 1456175 2038645 2205065 2272375 2457875 2854103 3087091 3441025 4817435 6731375 7280875 10193225 11025325 14270515 15435455 17205125 21609637 24087175 50966125 55126625 71352575 77177275 108048185 120435875 151267459 356762875 385886375 540240925 756337295 2701204625 3781686475 18908432375
• Sum of all divisors σ(n): 28226889600
• Sum of proper divisors (its aliquot sum) s(n): 9318457225
• 18908432375 is a deficient number, because the sum of its proper divisors (9318457225) is less than itself. Its deficiency is 9589975150

Bases of 18908432375

• Binary: 10001100111000001111100011111110111₂
• Hexadecimal: 0x46707C7F7
• Base-36: 8OPLBSN

Squares and roots of 18908432375

• 18908432375 squared (18908432375²) is 357528814879948140625
• 18908432375 cubed (18908432375³) is 6760309418271393160514802734375
• The square root of 18908432375 is 137507.9356800909
• The cube root of 18908432375 is 2664.1080912755

Scales and comparisons

• 18,908,432,375 seconds is equal to 601 years, 11 weeks, 6 days, 14 hours, 19 minutes, 35 seconds.
• To count from 1 to 18,908,432,375 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 18908432375 cubic inches would be around 222 feet tall.

Recreational maths with 18908432375

• 18908432375 backwards is 57323480981
• The number of decimal digits it has is: 11
• The sum of 18908432375's digits is 50
• More coming soon!