66830812398615681

Names of 66830812398615681

• Cardinal: 66830812398615681 can be written as Sixty-six quadrillion, eight hundred thirty trillion, eight hundred twelve billion, three hundred ninety-eight million, six hundred fifteen thousand, six hundred eighty-one.

Scientific notation

• Scientific notation: 6.6830812398615681 × 10¹⁶

Factors of 66830812398615681

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 792

Divisors of 66830812398615681

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 9 13 27 39 81 117 163 169 243 351 489 507 613 1053 1467 1521 1839 2119 3159 4401 4563 5517 6357 7969 13203 13689 16551 19071 23907 26569 27547 39609 41067 49653 57213 71721 79707 82641 99919 103597 148959 171639 215163 239121 247923 299757 310791 345397 375769 514917 645489 717363 743769 899271 932373 1036191 1127307 1298947 1936467 2152089 2231307 2697813 2797119 3108573 3381921 3896841 4330747 4490161 4884997 6456267 6693921 8093439 8391357 9325719 10145763 11690523 12992241 13470483 14654991 16286797 16886311 24280317 25174071 27977157 30437289 35071569 38976723 40411449 43964973 48860391 50658933 56299711 61250347 63504961 83931471 91311867 105214707 116930169 121234347 131894919 146581173 151976799 168899133 183751041 190514883 211728361 315644121 350790507 363703041 395684757 439743519 455930397 506697399 551253123 571544649 635185083 731896243 796254511 1052371521 1091109123 1187054271 1319230557 1367791191 1520092197 1653759369 1714633947 1905555249 2195688729 2388763533 2654747911 2752468693 3957691671 4103373573 4560276591 4961278107 5143901841 5716665747 6587066187 7166290599 7964243733 8257406079 9983806561 10351308643 13680829773 14883834321 15431705523 17149997241 19761198561 21498871797 23892731199 24772218237 29951419683 31053925929 34511722843 51449991723 59283595683 64496615391 71678193597 74316654711 89854259049 93161777787 103535168529 129789485293 177850787049 193489846173 215034580791 222949964133 269562777147 279485333361 310605505587 389368455879 448652396959 645103742373 668849892399 808688331441 838456000083 931816516761 1168105367637 1345957190877 1627360469443 1687263308809 2426064994323 2515368000249 2795449550283 3504316102911 4037871572631 4882081408329 5061789926427 8386348650849 10512948308733 12113614717893 14646244224987 15185369779281 21155686102759 31538844926199 36340844153679 43938732674961 45556109337843 63467058308277 109022532461037 131816198024883 136668328013529 190401174924831 275023919335867 395448594074649 410004984040587 571203524774493 825071758007601 1713610574323479 2475215274022803 5140831722970437 7425645822068409 22276937466205227 66830812398615681
• Sum of all divisors σ(n): 109249101873082080
• Sum of proper divisors (its aliquot sum) s(n): 42418289474466399
• 66830812398615681 is a deficient number, because the sum of its proper divisors (42418289474466399) is less than itself. Its deficiency is 24412522924149282

Bases of 66830812398615681

• Binary: 11101101011011100100010100010001000100011111110010000001₂
• Hexadecimal: 0xED6E451111FC81
• Base-36: IA1JNDHOZ29

Squares and roots of 66830812398615681

• 66830812398615681 squared (66830812398615681²) is 4466357485858963433220405139093761
• 66830812398615681 cubed (66830812398615681³) is 298490299242593174535546029301858809379691263866241
• The square root of 66830812398615681 is 258516561.1689426775
• The cube root of 66830812398615681 is 405812.6494477587

Scales and comparisons

• 66,830,812,398,615,681 seconds is equal to 2,125,013,113 years, 3 hours, 1 minute, 21 seconds.
• To count from 1 to 66,830,812,398,615,681 would take you about six billion, three hundred seventy-five million, thirty-nine thousand, three hundred thirty-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 66830812398615681 cubic inches would be around 33817.7 feet tall.

Recreational maths with 66830812398615681

• 66830812398615681 backwards is 18651689321803866
• 66830812398615681 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 66830812398615681's digits is 81
• More coming soon!