987939562214138989

Names of 987939562214138989

• Cardinal: 987939562214138989 can be written as Nine hundred eighty-seven quadrillion, nine hundred thirty-nine trillion, five hundred sixty-two billion, two hundred fourteen million, one hundred thirty-eight thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 9.87939562214138989 × 10¹⁷

Factors of 987939562214138989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1170989

Divisors of 987939562214138989

• Number of divisors d(n): 32
• Complete list of divisors:
  1 7 13 91 33577 235039 436501 559513 577879 3055507 3916591 4045153 7273669 7512427 50915683 52586989 18786768001 19403443183 131507376007 135824102281 244227984013 252244761379 323330812927 1709595888091 1765713329653 2263315690489 4203300568051 29423103976357 10856478705649879 75995350939549153 141134223173448427 987939562214138989
• Sum of all divisors σ(n): 1215966105518635520
• Sum of proper divisors (its aliquot sum) s(n): 228026543304496531
• 987939562214138989 is a deficient number, because the sum of its proper divisors (228026543304496531) is less than itself. Its deficiency is 759913018909642458

Bases of 987939562214138989

• Binary: 110110110101110111011100110000101001010101000010010001101101₂
• Hexadecimal: 0xDB5DDCC2954246D
• Base-36: 7I7NCHD6P94D

Squares and roots of 987939562214138989

• 987939562214138989 squared (987939562214138989²) is 976024578587864602045421142609942121
• 987939562214138989 cubed (987939562214138989³) is 964253294880334449958014041286499571423808829139455669
• The square root of 987939562214138989 is 993951488.8635858313
• The cube root of 987939562214138989 is 995963.5833331925

Scales and comparisons

• 987,939,562,214,138,989 seconds is equal to 31,413,422,180 years, 36 weeks, 2 days, 18 hours, 9 minutes, 49 seconds.
• To count from 1 to 987,939,562,214,138,989 would take you about ninety-four billion, two hundred forty million, two hundred sixty-six thousand, five hundred forty-two 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 987939562214138989 cubic inches would be around 82997 feet tall.

Recreational maths with 987939562214138989

• 987939562214138989 backwards is 989831412265939789
• The number of decimal digits it has is: 18
• The sum of 987939562214138989's digits is 103
• More coming soon!