680408904

Names of 680408904

• Cardinal: 680408904 can be written as Six hundred eighty million, four hundred eight thousand, nine hundred four.

Scientific notation

• Scientific notation: 6.80408904 × 10⁸

Factors of 680408904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 393

Divisors of 680408904

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 29 42 49 56 58 71 84 87 98 116 142 147 168 174 196 203 213 232 281 284 294 348 392 406 426 497 562 568 588 609 696 812 843 852 994 1124 1176 1218 1421 1491 1624 1686 1704 1967 1988 2059 2248 2436 2842 2982 3372 3479 3934 3976 4118 4263 4872 5684 5901 5964 6177 6744 6958 7868 8149 8236 8526 10437 11368 11802 11928 12354 13769 13916 14413 15736 16298 16472 17052 19951 20874 23604 24447 24708 27538 27832 28826 32596 34104 39902 41307 41748 43239 47208 48894 49416 55076 57043 57652 59853 65192 79804 82614 83496 86478 97788 100891 110152 114086 115304 119706 139657 159608 165228 171129 172956 195576 201782 228172 239412 279314 302673 330456 342258 345912 399301 403564 418971 456344 478824 558628 578579 605346 684516 798602 807128 837942 977599 1117256 1157158 1197903 1210692 1369032 1597204 1675884 1735737 1955198 2314316 2395806 2421384 2932797 3194408 3351768 3471474 3910396 4050053 4628632 4791612 5865594 6942948 7820792 8100106 9583224 11731188 12150159 13885896 16200212 23462376 24300318 28350371 32400424 48600636 56700742 85051113 97201272 113401484 170102226 226802968 340204452 680408904
• Sum of all divisors σ(n): 2083190400
• Sum of proper divisors (its aliquot sum) s(n): 1402781496
• 680408904 is an abundant number, because the sum of its proper divisors (1402781496) is greater than itself. Its abundance is 722372592

Bases of 680408904

• Binary: 101000100011100011011101001000₂
• Hexadecimal: 0x288E3748
• Base-36: B93IVC

Squares and roots of 680408904

• 680408904 squared (680408904²) is 462956276642481216
• 680408904 cubed (680408904³) is 314999572790231444019147264
• The square root of 680408904 is 26084.6488187977
• The cube root of 680408904 is 879.5421619795

Scales and comparisons

• 680,408,904 seconds is equal to 21 years, 33 weeks, 2 hours, 28 minutes, 24 seconds.
• To count from 1 to 680,408,904 would take you about thirty-two 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 680408904 cubic inches would be around 73.3 feet tall.

Recreational maths with 680408904

• 680408904 backwards is 409804086
• The number of decimal digits it has is: 9
• The sum of 680408904's digits is 39
• More coming soon!