6689805408

Names of 6689805408

• Cardinal: 6689805408 can be written as Six billion, six hundred eighty-nine million, eight hundred five thousand, four hundred eight.

Scientific notation

• Scientific notation: 6.689805408 × 10⁹

Factors of 6689805408

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 14796

Divisors of 6689805408

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 22 24 26 32 33 36 39 44 48 52 66 72 78 88 96 99 104 117 121 132 143 144 156 176 198 208 234 242 264 286 288 312 352 363 396 416 429 468 484 528 572 624 726 792 858 936 968 1056 1089 1144 1248 1287 1452 1573 1584 1716 1872 1936 2178 2288 2574 2904 3146 3168 3432 3744 3872 4356 4576 4719 5148 5808 6292 6864 8712 9438 10296 11616 12584 13728 14157 14767 17424 18876 20592 25168 28314 29534 34848 37752 41184 44301 50336 56628 59068 75504 88602 113256 118136 132903 151008 162437 177204 191971 226512 236272 265806 324874 354408 383942 453024 472544 487311 531612 575913 649748 708816 767884 974622 1063224 1151826 1299496 1417632 1461933 1535768 1727739 1786807 1949244 2111681 2126448 2303652 2598992 2923866 3071536 3455478 3573614 3898488 4223362 4252896 4607304 5197984 5360421 5847732 6143072 6335043 6910956 7147228 7796976 8446724 9214608 10720842 11695464 12670086 13821912 14294456 15593952 16081263 16893448 18429216 19005129 21441684 23228491 23390928 25340172 27643824 28588912 32162526 33786896 38010258 42883368 46456982 46781856 50680344 55287648 57177824 64325052 67573792 69685473 76020516 85766736 92913964 101360688 128650104 139370946 152041032 171533472 185827928 202721376 209056419 257300208 278741892 304082064 371655856 418112838 514600416 557483784 608164128 743311712 836225676 1114967568 1672451352 2229935136 3344902704 6689805408
• Sum of all divisors σ(n): 22520875104
• Sum of proper divisors (its aliquot sum) s(n): 15831069696
• 6689805408 is an abundant number, because the sum of its proper divisors (15831069696) is greater than itself. Its abundance is 9141264288

Bases of 6689805408

• Binary: 110001110101111100101010001100000₂
• Hexadecimal: 0x18EBE5460
• Base-36: 32MXQW0

Squares and roots of 6689805408

• 6689805408 squared (6689805408²) is 44753496396906046464
• 6689805408 cubed (6689805408³) is 299392182222930584102766477312
• The square root of 6689805408 is 81791.2306301843
• The cube root of 6689805408 is 1884.2469823743

Scales and comparisons

• 6,689,805,408 seconds is equal to 212 years, 37 weeks, 1 day, 7 hours, 16 minutes, 48 seconds.
• To count from 1 to 6,689,805,408 would take you about four hundred twenty-five 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 6689805408 cubic inches would be around 157 feet tall.

Recreational maths with 6689805408

• 6689805408 backwards is 8045089866
• The number of decimal digits it has is: 10
• The sum of 6689805408's digits is 54
• More coming soon!