16428221667

Names of 16428221667

• Cardinal: 16428221667 can be written as Sixteen billion, four hundred twenty-eight million, two hundred twenty-one thousand, six hundred sixty-seven.

Scientific notation

• Scientific notation: 1.6428221667 × 10¹⁰

Factors of 16428221667

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 540

Divisors of 16428221667

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 13 33 37 39 79 99 111 117 121 143 237 333 363 397 407 429 481 711 869 1027 1089 1191 1221 1287 1443 1573 2607 2923 3081 3573 3663 4329 4367 4477 4719 5161 5291 7821 8769 9243 9559 11297 13101 13431 14157 14689 15483 15873 26307 28677 31363 32153 33891 37999 39303 40293 44067 46449 47619 48037 56771 58201 86031 94089 96459 101673 113997 124267 132201 144111 161579 170313 174603 190957 282267 289377 341991 344993 353683 372801 407719 417989 432333 484737 510939 523809 572871 624481 1034979 1061049 1118403 1160431 1223157 1253967 1454211 1718613 1777369 1873443 2100527 3104937 3183147 3481293 3669471 3761901 3794923 4484909 4597879 5332107 5620329 6301581 10443879 11384769 12764741 13454727 13793637 15085603 15996321 18904743 23105797 34154307 38294223 40364181 41380911 45256809 49333999 69317391 114882669 135770427 140412151 148001997 165941633 207952173 421236453 444005991 497824899 1263709359 1493474697 1825357963 5476073889 16428221667
• Sum of all divisors σ(n): 29287323520
• Sum of proper divisors (its aliquot sum) s(n): 12859101853
• 16428221667 is a deficient number, because the sum of its proper divisors (12859101853) is less than itself. Its deficiency is 3569119814

Bases of 16428221667

• Binary: 1111010011001100101100010011100011₂
• Hexadecimal: 0x3D332C4E3
• Base-36: 7JOXSYR

Squares and roots of 16428221667

• 16428221667 squared (16428221667²) is 269886467140088258889
• 16428221667 cubed (16428221667³) is 4433754707100881458972575147963
• The square root of 16428221667 is 128172.6244835457
• The cube root of 16428221667 is 2542.1247059059

Scales and comparisons

• 16,428,221,667 seconds is equal to 522 years, 19 weeks, 10 hours, 54 minutes, 27 seconds.
• To count from 1 to 16,428,221,667 would take you about one thousand and forty-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 16428221667 cubic inches would be around 211.8 feet tall.

Recreational maths with 16428221667

• 16428221667 backwards is 76612282461
• The number of decimal digits it has is: 11
• The sum of 16428221667's digits is 45
• More coming soon!