1685141738721

Names of 1685141738721

• Cardinal: 1685141738721 can be written as One trillion, six hundred eighty-five billion, one hundred forty-one million, seven hundred thirty-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.685141738721 × 10¹²

Factors of 1685141738721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3018

Divisors of 1685141738721

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 19 21 49 57 63 133 147 171 229 367 399 441 687 931 1101 1197 1603 2061 2393 2569 2793 3303 4351 4809 6973 7179 7707 8379 11221 13053 14427 16751 17983 20919 21537 23121 30457 33663 39159 45467 48811 50253 53949 62757 84043 91371 100989 117257 136401 146433 150759 161847 213199 252129 274113 318269 341677 351771 409203 439299 547997 588301 639597 756387 878231 954807 1025031 1055313 1596817 1643991 1764903 1918791 2227883 2634693 2864421 3075093 3835979 4118107 4790451 4931973 5294709 6147617 6683649 7904079 10411943 11177719 11507937 12354321 14371353 16686389 18442851 20050947 26851853 31235829 33533157 34523811 37062963 43033319 50059167 55328553 72883601 78244033 80555559 93707487 100599471 116804723 129099957 150177501 201114899 218650803 234732099 241666677 350414169 387299871 510185207 603344697 655952409 704196297 817633061 1051242507 1407804293 1530555621 1810034091 2452899183 3821183081 4223412879 4591666863 7358697549 9854630051 11463549243 12670238637 26748281567 29563890153 34390647729 80244844701 88691670459 187237970969 240734534103 561713912907 1685141738721
• Sum of all divisors σ(n): 3002949331200
• Sum of proper divisors (its aliquot sum) s(n): 1317807592479
• 1685141738721 is a deficient number, because the sum of its proper divisors (1317807592479) is less than itself. Its deficiency is 367334146242

Bases of 1685141738721

• Binary: 11000100001011010010001100101010011100001₂
• Hexadecimal: 0x1885A4654E1
• Base-36: LI55VRA9

Squares and roots of 1685141738721

• 1685141738721 squared (1685141738721²) is 2839702679579635030715841
• 1685141738721 cubed (1685141738721³) is 4785301510917508917043092544017779361
• The square root of 1685141738721 is 1298130.0931420549
• The cube root of 1685141738721 is 11899.9593688347

Scales and comparisons

• 1,685,141,738,721 seconds is equal to 53,582 years, 15 weeks, 2 days, 7 hours, 25 minutes, 21 seconds.
• To count from 1 to 1,685,141,738,721 would take you about one hundred thirty-three thousand, nine hundred fifty-five 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 1685141738721 cubic inches would be around 991.7 feet tall.

Recreational maths with 1685141738721

• 1685141738721 backwards is 1278371415861
• The number of decimal digits it has is: 13
• The sum of 1685141738721's digits is 54
• More coming soon!