1689387470991

Names of 1689387470991

• Cardinal: 1689387470991 can be written as One trillion, six hundred eighty-nine billion, three hundred eighty-seven million, four hundred seventy thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.689387470991 × 10¹²

Factors of 1689387470991

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 169

Divisors of 1689387470991

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 11 27 29 33 59 67 87 99 177 201 261 297 319 531 603 649 737 783 841 957 1593 1711 1809 1943 1947 2211 2523 2871 3481 3953 5133 5829 5841 6633 7569 8613 9251 10443 11859 15399 17487 17523 18821 19899 21373 22707 24389 27753 31329 35577 38291 43483 46197 49619 52461 56347 56463 64119 73167 83259 93987 100949 106731 114637 114873 130449 148857 169041 169389 192357 219501 233227 249777 268279 302847 343911 344619 391347 446571 507123 508167 545809 577071 619817 658503 699681 804837 908541 1031733 1033857 1110439 1174041 1261007 1339713 1438951 1521369 1634063 1637427 1859451 2099043 2414511 2565497 2725623 2927521 3095199 3324473 3331317 3783021 4316853 4902189 4912281 5578353 6297129 6763583 7243533 7696491 8782563 9973419 9993951 11349063 12950559 14706567 14736843 15828461 16735059 17974693 20290749 23089473 26347689 29920257 29981853 32202731 34047189 36569203 38851677 44119701 47485383 53924079 60872247 69268419 74399413 79043067 84898109 89760771 96409717 96608193 109707609 142456149 161772237 182616741 196143907 223198239 254694327 289229151 289824579 329122827 427368447 485316711 588431721 669594717 764082981 867687453 869473737 933879199 987368481 1060506887 1765295163 2008784151 2157582977 2292248943 2603062359 2801637597 3181520661 5295885489 5688173303 6472748931 8404912791 9544561983 17064519909 19418246793 25214738373 28633685949 51193559727 58254740379 62569906333 153580679181 187709718999 563129156997 1689387470991
• Sum of all divisors σ(n): 2919506342400
• Sum of proper divisors (its aliquot sum) s(n): 1230118871409
• 1689387470991 is a deficient number, because the sum of its proper divisors (1230118871409) is less than itself. Its deficiency is 459268599582

Bases of 1689387470991

• Binary: 11000100101010111010101110001000010001111₂
• Hexadecimal: 0x1895757108F
• Base-36: LK3DOJ9R

Squares and roots of 1689387470991

• 1689387470991 squared (1689387470991²) is 2854030027141366866522081
• 1689387470991 cubed (1689387470991³) is 4821562569684728859872660684448452271
• The square root of 1689387470991 is 1299764.3905689217
• The cube root of 1689387470991 is 11909.9450113257

Scales and comparisons

• 1,689,387,470,991 seconds is equal to 53,717 years, 15 weeks, 2 days, 17 hours, 29 minutes, 51 seconds.
• To count from 1 to 1,689,387,470,991 would take you about one hundred thirty-four thousand, two hundred ninety-three 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 1689387470991 cubic inches would be around 992.5 feet tall.

Recreational maths with 1689387470991

• 1689387470991 backwards is 1990747839861
• The number of decimal digits it has is: 13
• The sum of 1689387470991's digits is 72
• More coming soon!