6444865728

Names of 6444865728

• Cardinal: 6444865728 can be written as Six billion, four hundred forty-four million, eight hundred sixty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 6.444865728 × 10⁹

Factors of 6444865728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 32633

Divisors of 6444865728

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 144 147 168 192 196 224 252 288 294 336 343 392 441 448 504 576 588 672 686 784 882 1008 1029 1176 1344 1372 1568 1764 2016 2058 2352 2744 3087 3136 3528 4032 4116 4704 5488 6174 7056 8232 9408 10976 12348 14112 16464 21952 24696 28224 32621 32928 49392 65242 65856 97863 98784 130484 195726 197568 228347 260968 293589 391452 456694 521936 587178 685041 782904 913388 1043872 1174356 1370082 1565808 1598429 1826776 2055123 2087744 2348712 2740164 3131616 3196858 3653552 4110246 4697424 4795287 5480328 6263232 6393716 7307104 8220492 9394848 9590574 10960656 11189003 12787432 14385861 14614208 16440984 18789696 19181148 21921312 22378006 25574864 28771722 32881968 33567009 38362296 43842624 44756012 51149728 57543444 65763936 67134018 76724592 89512024 100701027 102299456 115086888 131527872 134268036 153449184 179024048 201402054 230173776 268536072 306898368 358048096 402804108 460347552 537072144 716096192 805608216 920695104 1074144288 1611216432 2148288576 3222432864 6444865728
• Sum of all divisors σ(n): 21543568800
• Sum of proper divisors (its aliquot sum) s(n): 15098703072
• 6444865728 is an abundant number, because the sum of its proper divisors (15098703072) is greater than itself. Its abundance is 8653837344

Bases of 6444865728

• Binary: 110000000001001001101100011000000₂
• Hexadecimal: 0x18024D8C0
• Base-36: 2YL3U80

Squares and roots of 6444865728

• 6444865728 squared (6444865728²) is 41536294251948969984
• 6444865728 cubed (6444865728³) is 267695839292509313854782308352
• The square root of 6444865728 is 80279.9210761943
• The cube root of 6444865728 is 1860.9639401739

Scales and comparisons

• 6,444,865,728 seconds is equal to 204 years, 48 weeks, 1 day, 8 hours, 28 minutes, 48 seconds.
• To count from 1 to 6,444,865,728 would take you about four hundred 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 6444865728 cubic inches would be around 155.1 feet tall.

Recreational maths with 6444865728

• 6444865728 backwards is 8275684446
• The number of decimal digits it has is: 10
• The sum of 6444865728's digits is 54
• More coming soon!