13129440819

Names of 13129440819

• Cardinal: 13129440819 can be written as Thirteen billion, one hundred twenty-nine million, four hundred forty thousand, eight hundred nineteen.

Scientific notation

• Scientific notation: 1.3129440819 × 10¹⁰

Factors of 13129440819

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 813

Divisors of 13129440819

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 11 19 23 31 33 43 57 69 93 129 209 253 341 437 473 589 627 683 713 759 817 989 1023 1311 1333 1419 1767 2049 2139 2451 2967 3999 4807 6479 7513 7843 8987 10879 12977 13547 14421 14663 15709 18791 19437 21173 22539 23529 25327 26961 29369 30659 32637 38931 40641 43989 47127 56373 63519 75981 88107 91977 142747 149017 172799 206701 232903 278597 298471 323059 337249 402287 428241 447051 486979 518397 558011 582521 620103 675487 698709 835791 895413 910439 969177 1011747 1206861 1460937 1674033 1747563 2026461 2731317 3283181 4425157 5356769 6138121 6407731 7430357 9252601 9849543 10014829 12834253 13275471 16070307 17298341 18414363 19223193 20940097 22291071 27757803 30044487 38502759 51895023 62820291 101778611 141176783 190281751 230341067 305335833 397861843 423530349 570845253 691023201 1193585529 4376480273 13129440819
• Sum of all divisors σ(n): 22189178880
• Sum of proper divisors (its aliquot sum) s(n): 9059738061
• 13129440819 is a deficient number, because the sum of its proper divisors (9059738061) is less than itself. Its deficiency is 4069702758

Bases of 13129440819

• Binary: 1100001110100100110101111000110011₂
• Hexadecimal: 0x30E935E33
• Base-36: 614XHDF

Squares and roots of 13129440819

• 13129440819 squared (13129440819²) is 172382216219623390761
• 13129440819 cubed (13129440819³) is 2263282106103607215464660873259
• The square root of 13129440819 is 114583.7720578267
• The cube root of 13129440819 is 2359.1129973031

Scales and comparisons

• 13,129,440,819 seconds is equal to 417 years, 24 weeks, 5 days, 2 hours, 53 minutes, 39 seconds.
• To count from 1 to 13,129,440,819 would take you about eight hundred thirty-four 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 13129440819 cubic inches would be around 196.6 feet tall.

Recreational maths with 13129440819

• 13129440819 backwards is 91804492131
• The number of decimal digits it has is: 11
• The sum of 13129440819's digits is 42
• More coming soon!