13242169985

Names of 13242169985

• Cardinal: 13242169985 can be written as Thirteen billion, two hundred forty-two million, one hundred sixty-nine thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.3242169985 × 10¹⁰

Factors of 13242169985

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1158

Divisors of 13242169985

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 19 55 95 113 127 209 565 635 883 1045 1243 1397 2147 2413 4415 6215 6985 9713 10735 12065 14351 16777 23617 26543 48565 71755 83885 99779 112141 118085 132715 157861 184547 272669 498895 560705 789305 922735 1097569 1233551 1363345 1895801 2130679 2999359 5487845 6167755 9479005 10653395 12671933 14996795 20853811 23437469 63359665 104269055 117187345 139391263 240766727 696956315 1203833635 2648433997 13242169985
• Sum of all divisors σ(n): 18575032320
• Sum of proper divisors (its aliquot sum) s(n): 5332862335
• 13242169985 is a deficient number, because the sum of its proper divisors (5332862335) is less than itself. Its deficiency is 7909307650

Bases of 13242169985

• Binary: 1100010101010010110111101010000001₂
• Hexadecimal: 0x3154B7A81
• Base-36: 6301NR5

Squares and roots of 13242169985

• 13242169985 squared (13242169985²) is 175355065911634900225
• 13242169985 cubed (13242169985³) is 2322081590532748338037964746625
• The square root of 13242169985 is 115074.6278942495
• The cube root of 13242169985 is 2365.8455340751

Scales and comparisons

• 13,242,169,985 seconds is equal to 421 years, 3 weeks, 20 hours, 33 minutes, 5 seconds.
• To count from 1 to 13,242,169,985 would take you about eight hundred forty-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 13242169985 cubic inches would be around 197.2 feet tall.

Recreational maths with 13242169985

• 13242169985 backwards is 58996124231
• The number of decimal digits it has is: 11
• The sum of 13242169985's digits is 50
• More coming soon!