13189899393

Names of 13189899393

• Cardinal: 13189899393 can be written as Thirteen billion, one hundred eighty-nine million, eight hundred ninety-nine thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 1.3189899393 × 10¹⁰

Factors of 13189899393

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2017

Divisors of 13189899393

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 11 29 33 87 99 121 241 261 319 363 723 957 1089 1733 2169 2651 2871 3509 5199 6989 7953 10527 15597 19063 20967 23859 29161 31581 50257 57189 62901 76879 87483 150771 171567 209693 230637 262449 417653 452313 552827 629079 691911 845669 1252959 1658481 1887237 2537007 3758877 4594183 4975443 6081097 7611021 12111937 13782549 18243291 36335811 41347647 50536013 54729873 109007433 133231307 151608039 399693921 454824117 1199081763 1465544377 4396633131 13189899393
• Sum of all divisors σ(n): 21766104360
• Sum of proper divisors (its aliquot sum) s(n): 8576204967
• 13189899393 is a deficient number, because the sum of its proper divisors (8576204967) is less than itself. Its deficiency is 4613694426

Bases of 13189899393

• Binary: 1100010010001011011110010010000001₂
• Hexadecimal: 0x3122DE481
• Base-36: 624XBI9

Squares and roots of 13189899393

• 13189899393 squared (13189899393²) is 173973445997461768449
• 13189899393 cubed (13189899393³) is 2294692249760039259206171651457
• The square root of 13189899393 is 114847.2872687901
• The cube root of 13189899393 is 2362.7285419959

Scales and comparisons

• 13,189,899,393 seconds is equal to 419 years, 20 weeks, 4 days, 20 hours, 56 minutes, 33 seconds.
• To count from 1 to 13,189,899,393 would take you about eight hundred thirty-eight 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 13189899393 cubic inches would be around 196.9 feet tall.

Recreational maths with 13189899393

• 13189899393 backwards is 39399898131
• The number of decimal digits it has is: 11
• The sum of 13189899393's digits is 63
• More coming soon!