11979291513

Names of 11979291513

• Cardinal: 11979291513 can be written as Eleven billion, nine hundred seventy-nine million, two hundred ninety-one thousand, five hundred thirteen.

Scientific notation

• Scientific notation: 1.1979291513 × 10¹⁰

Factors of 11979291513

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 138

Divisors of 11979291513

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 19 21 49 57 109 133 147 327 361 399 763 931 1083 2071 2289 2527 2793 5341 6213 6859 7581 11881 14497 16023 17689 20577 35643 39349 43491 48013 53067 83167 101479 118047 144039 225739 249501 275443 304437 336091 582169 677217 747631 826329 1008273 1580173 1746507 1928101 2242893 4289041 4740519 5233417 5784303 11061211 12867123 15700251 30023287 33183633 36633919 81491779 90069861 109901757 210163009 244475337 570442453 630489027 1711327359 3993097171 11979291513
• Sum of all divisors σ(n): 19793783520
• Sum of proper divisors (its aliquot sum) s(n): 7814492007
• 11979291513 is a deficient number, because the sum of its proper divisors (7814492007) is less than itself. Its deficiency is 4164799506

Bases of 11979291513

• Binary: 1011001010000001010111101101111001₂
• Hexadecimal: 0x2CA057B79
• Base-36: 5I45SHL

Squares and roots of 11979291513

• 11979291513 squared (11979291513²) is 143503425153433829169
• 11979291513 cubed (11979291513³) is 1719069363026960592571293542697
• The square root of 11979291513 is 109449.9498081201
• The cube root of 11979291513 is 2288.1107657047

Scales and comparisons

• 11,979,291,513 seconds is equal to 380 years, 47 weeks, 4 hours, 58 minutes, 33 seconds.
• To count from 1 to 11,979,291,513 would take you about seven hundred sixty-one 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 11979291513 cubic inches would be around 190.7 feet tall.

Recreational maths with 11979291513

• 11979291513 backwards is 31519297911
• The number of decimal digits it has is: 11
• The sum of 11979291513's digits is 48
• More coming soon!