13668578469

Names of 13668578469

• Cardinal: 13668578469 can be written as Thirteen billion, six hundred sixty-eight million, five hundred seventy-eight thousand, four hundred sixty-nine.

Scientific notation

• Scientific notation: 1.3668578469 × 10¹⁰

Factors of 13668578469

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 354

Divisors of 13668578469

• Number of divisors d(n): 112
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 91 117 147 189 273 331 343 351 441 637 819 993 1029 1323 1911 2317 2401 2457 2979 3087 4303 4459 5733 6951 7203 8937 9261 12909 13377 16219 16807 17199 20853 21609 30121 31213 38727 40131 48657 50421 62559 64827 90363 93639 113533 116181 117649 120393 145971 151263 210847 218491 271089 280917 340599 352947 437913 453789 632541 655473 794731 813267 842751 1021797 1058841 1475929 1529437 1897623 1966419 2384193 3065391 3176523 4427787 4588311 5563117 5692869 5899257 7152579 10331503 13283361 13764933 16689351 21457737 30994509 38941819 39850083 41294799 50068053 72320521 92983527 116825457 150204159 216961563 278950581 350476371 506243647 650884689 1051429113 1518730941 1952654067 4556192823 13668578469
• Sum of all divisors σ(n): 25518821440
• Sum of proper divisors (its aliquot sum) s(n): 11850242971
• 13668578469 is a deficient number, because the sum of its proper divisors (11850242971) is less than itself. Its deficiency is 1818335498

Bases of 13668578469

• Binary: 1100101110101101011111010010100101₂
• Hexadecimal: 0x32EB5F4A5
• Base-36: 6A1X2N9

Squares and roots of 13668578469

• 13668578469 squared (13668578469²) is 186830037363210383961
• 13668578469 cubed (13668578469³) is 2553701026065242986926547535709
• The square root of 13668578469 is 116912.6959273457
• The cube root of 13668578469 is 2390.9717790341

Scales and comparisons

• 13,668,578,469 seconds is equal to 434 years, 32 weeks, 1 day, 3 hours, 21 minutes, 9 seconds.
• To count from 1 to 13,668,578,469 would take you about eight hundred sixty-nine 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 13668578469 cubic inches would be around 199.2 feet tall.

Recreational maths with 13668578469

• 13668578469 backwards is 96487586631
• 13668578469 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13668578469's digits is 63
• More coming soon!