389199289869

Names of 389199289869

• Cardinal: 389199289869 can be written as Three hundred eighty-nine billion, one hundred ninety-nine million, two hundred eighty-nine thousand, eight hundred sixty-nine.

Scientific notation

• Scientific notation: 3.89199289869 × 10¹¹

Factors of 389199289869

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5360

Divisors of 389199289869

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 19 39 57 71 117 171 213 247 521 639 741 923 1349 1563 2223 2769 4047 4689 4733 6773 8307 9899 12141 14199 17537 20319 29697 36991 42597 52611 60957 61529 89091 89927 110973 128687 157833 184587 269781 332919 336043 386061 480883 553761 702829 809343 1008129 1158183 1169051 1442649 2108487 2465893 3024387 3507153 4327947 4368559 6325461 6384817 7397679 9136777 10521459 13105677 19154451 22193037 27410331 32056609 39317031 46851967 57463353 82230993 83002621 96169827 140555901 175078403 249007863 288509481 421667703 525235209 609075571 747023589 1575705627 1827226713 2276019239 3326489657 5481680139 6828057717 9979468971 20484173151 29938406913 43244365541 129733096623 389199289869
• Sum of all divisors σ(n): 647638467840
• Sum of proper divisors (its aliquot sum) s(n): 258439177971
• 389199289869 is a deficient number, because the sum of its proper divisors (258439177971) is less than itself. Its deficiency is 130760111898

Bases of 389199289869

• Binary: 101101010011110000101011101111000001101₂
• Hexadecimal: 0x5A9E15DE0D
• Base-36: 4YSN7I19

Squares and roots of 389199289869

• 389199289869 squared (389199289869²) is 151476087234533886037161
• 389199289869 cubed (389199289869³) is 58954385583815284498880035744821909
• The square root of 389199289869 is 623858.3892751623
• The cube root of 389199289869 is 7301.1400600693

Scales and comparisons

• 389,199,289,869 seconds is equal to 12,375 years, 17 weeks, 2 days, 9 hours, 51 minutes, 9 seconds.
• To count from 1 to 389,199,289,869 would take you about twenty-four thousand, seven hundred fifty 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 389199289869 cubic inches would be around 608.4 feet tall.

Recreational maths with 389199289869

• 389199289869 backwards is 968982991983
• The number of decimal digits it has is: 12
• The sum of 389199289869's digits is 81
• More coming soon!