9729798975

Names of 9729798975

• Cardinal: 9729798975 can be written as Nine billion, seven hundred twenty-nine million, seven hundred ninety-eight thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 9.729798975 × 10⁹

Factors of 9729798975

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 21

Divisors of 9729798975

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 25 27 39 45 65 75 81 117 135 169 195 225 243 325 351 405 507 585 675 729 845 975 1053 1215 1521 1755 2025 2187 2197 2535 2925 3159 3645 4225 4563 5265 6075 6561 6591 7605 8775 9477 10935 10985 12675 13689 15795 18225 19683 19773 22815 26325 28431 32805 32955 38025 41067 47385 54675 54925 59049 59319 68445 78975 85293 98415 98865 114075 123201 142155 164025 164775 177147 177957 205335 236925 255879 295245 296595 342225 369603 426465 492075 494325 533871 616005 710775 767637 885735 889785 1026675 1108809 1279395 1476225 1482975 1601613 1848015 2132325 2302911 2669355 3080025 3326427 3838185 4428675 4448925 4804839 5544045 6396975 8008065 9240075 9979281 11514555 13346775 14414517 16632135 19190925 24024195 27720225 29937843 40040325 43243551 49896405 57572775 72072585 83160675 120120975 129730653 149689215 216217755 249482025 360362925 389191959 648653265 748446075 1081088775 1945959795 3243266325 9729798975
• Sum of all divisors σ(n): 19604821600
• Sum of proper divisors (its aliquot sum) s(n): 9875022625
• 9729798975 is an abundant number, because the sum of its proper divisors (9875022625) is greater than itself. Its abundance is 145223650

Bases of 9729798975

• Binary: 1001000011111100001111001100111111₂
• Hexadecimal: 0x243F0F33F
• Base-36: 4GWVCXR

Squares and roots of 9729798975

• 9729798975 squared (9729798975²) is 94668988093911050625
• 9729798975 cubed (9729798975³) is 921110223320422944112298109375
• The square root of 9729798975 is 98639.7433847027
• The cube root of 9729798975 is 2134.8529004463

Scales and comparisons

• 9,729,798,975 seconds is equal to 309 years, 19 weeks, 4 days, 9 hours, 56 minutes, 15 seconds.
• To count from 1 to 9,729,798,975 would take you about six hundred eighteen 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 9729798975 cubic inches would be around 177.9 feet tall.

Recreational maths with 9729798975

• 9729798975 backwards is 5798979279
• The number of decimal digits it has is: 10
• The sum of 9729798975's digits is 72
• More coming soon!