3989887205409

Names of 3989887205409

• Cardinal: 3989887205409 can be written as Three trillion, nine hundred eighty-nine billion, eight hundred eighty-seven million, two hundred five thousand, four hundred nine.

Scientific notation

• Scientific notation: 3.989887205409 × 10¹²

Factors of 3989887205409

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1563

Divisors of 3989887205409

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 7 9 17 21 51 63 119 153 289 357 449 867 1071 1087 1347 2023 2601 3143 3261 4041 6069 7609 7633 9429 9783 18207 18479 22827 22899 28287 53431 55437 68481 68697 129353 129761 160293 166311 201601 314143 388059 389283 480879 488063 604803 908327 942429 1164177 1167849 1411207 1464189 1814409 2199001 2724981 2827287 3416441 3427217 4233621 4392567 6597003 8174943 8297071 10249323 10281651 12700863 19791009 23990519 24891213 30747969 30844953 58079497 58262689 71971557 74673639 141050207 174238491 174788067 215914671 219140287 407838823 423150621 522715473 524364201 657420861 987351449 1223516469 1269451863 1533982009 1972262583 2962054347 3670549407 3725384879 4601946027 8886163041 11176154637 13805838081 26077694153 33528463911 63331542943 78233082459 189994628829 234699247377 443320800601 569983886487 1329962401803 3989887205409
• Sum of all divisors σ(n): 7018779748864
• Sum of proper divisors (its aliquot sum) s(n): 3028892543455
• 3989887205409 is a deficient number, because the sum of its proper divisors (3028892543455) is less than itself. Its deficiency is 960994661954

Bases of 3989887205409

• Binary: 111010000011110111110011110100000000100001₂
• Hexadecimal: 0x3A0F7CF4021
• Base-36: 1EWXFTQU9

Squares and roots of 3989887205409

• 3989887205409 squared (3989887205409²) is 15919199911886439758857281
• 3989887205409 cubed (3989887205409³) is 63515812048783786170829504744362232929
• The square root of 3989887205409 is 1997470.2013819881
• The cube root of 3989887205409 is 15860.6216794753

Scales and comparisons

• 3,989,887,205,409 seconds is equal to 126,866 years, 3 weeks, 5 days, 1 hour, 30 minutes, 9 seconds.
• To count from 1 to 3,989,887,205,409 would take you about three hundred seventeen thousand, one hundred sixty-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 3989887205409 cubic inches would be around 1321.7 feet tall.

Recreational maths with 3989887205409

• 3989887205409 backwards is 9045027889893
• The number of decimal digits it has is: 13
• The sum of 3989887205409's digits is 72
• More coming soon!