13508959989

Names of 13508959989

• Cardinal: 13508959989 can be written as Thirteen billion, five hundred eight million, nine hundred fifty-nine thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.3508959989 × 10¹⁰

Factors of 13508959989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 507

Divisors of 13508959989

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 21 41 49 123 147 149 287 307 343 447 861 921 1029 1043 2009 2149 2401 3129 6027 6109 6447 7203 7301 12587 14063 15043 18327 21903 37761 42189 42763 45129 45743 51107 88109 98441 105301 128289 137229 153321 264327 295323 299341 315903 320201 357749 616763 737107 898023 960603 1073247 1850289 1875463 2095387 2211321 2241407 4317341 5626389 6286161 6724221 12952023 13128241 14667709 15689849 30221387 39384723 44003127 47069547 90664161 91897687 109828943 275693061 329486829 643283809 1929851427 4502986663 13508959989
• Sum of all divisors σ(n): 21740241600
• Sum of proper divisors (its aliquot sum) s(n): 8231281611
• 13508959989 is a deficient number, because the sum of its proper divisors (8231281611) is less than itself. Its deficiency is 5277678378

Bases of 13508959989

• Binary: 1100100101001100100101111011110101₂
• Hexadecimal: 0x325325EF5
• Base-36: 67EVW8L

Squares and roots of 13508959989

• 13508959989 squared (13508959989²) is 182491999984402880121
• 13508959989 cubed (13508959989³) is 2465277126101887131610952478669
• The square root of 13508959989 is 116228.0516441707
• The cube root of 13508959989 is 2381.6282427851

Scales and comparisons

• 13,508,959,989 seconds is equal to 429 years, 28 weeks, 1 day, 16 hours, 53 minutes, 9 seconds.
• To count from 1 to 13,508,959,989 would take you about eight hundred fifty-nine 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 13508959989 cubic inches would be around 198.5 feet tall.

Recreational maths with 13508959989

• 13508959989 backwards is 98995980531
• The number of decimal digits it has is: 11
• The sum of 13508959989's digits is 66
• More coming soon!