15968634409

Names of 15968634409

• Cardinal: 15968634409 can be written as Fifteen billion, nine hundred sixty-eight million, six hundred thirty-four thousand, four hundred nine.

Scientific notation

• Scientific notation: 1.5968634409 × 10¹⁰

Factors of 15968634409

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 215

Divisors of 15968634409

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 13 31 67 91 97 169 217 403 469 679 871 1183 1261 2077 2821 3007 4489 5239 6097 6499 8827 11323 14539 16393 21049 27001 31423 36673 39091 45493 58357 79261 84487 114751 139159 189007 201469 273637 351013 408499 435433 508183 591409 758641 974113 1098331 1410283 1809067 2457091 2619097 3048031 3557281 5310487 5660629 7688317 12663469 13498423 18333679 23517871 34048261 39624403 73588177 94488961 164625097 175479499 238337827 515117239 1228356493 2281233487 15968634409
• Sum of all divisors σ(n): 20921660928
• Sum of proper divisors (its aliquot sum) s(n): 4953026519
• 15968634409 is a deficient number, because the sum of its proper divisors (4953026519) is less than itself. Its deficiency is 11015607890

Bases of 15968634409

• Binary: 1110110111110011100000011000101001₂
• Hexadecimal: 0x3B7CE0629
• Base-36: 7C3B961

Squares and roots of 15968634409

• 15968634409 squared (15968634409²) is 254997284888298779281
• 15968634409 cubed (15968634409³) is 4071958417668863608299272879929
• The square root of 15968634409 is 126367.0621997679
• The cube root of 15968634409 is 2518.1944323047

Scales and comparisons

• 15,968,634,409 seconds is equal to 507 years, 39 weeks, 1 day, 3 hours, 46 minutes, 49 seconds.
• To count from 1 to 15,968,634,409 would take you about one thousand and fifteen 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 15968634409 cubic inches would be around 209.8 feet tall.

Recreational maths with 15968634409

• 15968634409 backwards is 90443686951
• The number of decimal digits it has is: 11
• The sum of 15968634409's digits is 55
• More coming soon!