389905920459

Names of 389905920459

• Cardinal: 389905920459 can be written as Three hundred eighty-nine billion, nine hundred five million, nine hundred twenty thousand, four hundred fifty-nine.

Scientific notation

• Scientific notation: 3.89905920459 × 10¹¹

Factors of 389905920459

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 55

Divisors of 389905920459

• Number of divisors d(n): 132
• Complete list of divisors:
  1 3 9 11 27 33 41 81 99 121 123 243 297 363 369 451 729 891 1089 1107 1331 1353 2187 2673 3267 3321 3993 4059 4961 6561 8019 9801 9963 11979 12177 14641 14883 19683 24057 29403 29889 35937 36531 43923 44649 54571 59049 72171 88209 89667 107811 109593 131769 133947 161051 163713 216513 264627 269001 323433 328779 395307 401841 483153 491139 600281 649539 793881 807003 970299 986337 1185921 1205523 1449459 1473417 1800843 2381643 2421009 2910897 2959011 3557763 3616569 4348377 4420251 5402529 6603091 7144929 8732691 8877033 10673289 10849707 13045131 13260753 16207587 19809273 26198073 26631099 32019867 32549121 39135393 39782259 48622761 59427819 78594219 96059601 97647363 117406179 119346777 145868283 178283457 288178803 292942089 352218537 358040331 437604849 534850371 864536409 1056655611 1074120993 1312814547 1604551113 3169966833 3222362979 3938443641 4813653339 9509900499 11815330923 14440960017 35445992769 43322880051 129968640153 389905920459
• Sum of all divisors σ(n): 659032012296
• Sum of proper divisors (its aliquot sum) s(n): 269126091837
• 389905920459 is a deficient number, because the sum of its proper divisors (269126091837) is less than itself. Its deficiency is 120779828622

Bases of 389905920459

• Binary: 101101011001000001101000011000111001011₂
• Hexadecimal: 0x5AC83431CB
• Base-36: 4Z4BX1OR

Squares and roots of 389905920459

• 389905920459 squared (389905920459²) is 152026626808980034770681
• 389905920459 cubed (389905920459³) is 59276081860232246424216200291262579
• The square root of 389905920459 is 624424.4713806467
• The cube root of 389905920459 is 7305.5560408047

Scales and comparisons

• 389,905,920,459 seconds is equal to 12,397 years, 41 weeks, 5 days, 7 minutes, 39 seconds.
• To count from 1 to 389,905,920,459 would take you about twenty-four thousand, seven hundred ninety-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 389905920459 cubic inches would be around 608.8 feet tall.

Recreational maths with 389905920459

• 389905920459 backwards is 954029509983
• The number of decimal digits it has is: 12
• The sum of 389905920459's digits is 63
• More coming soon!