987959697138

Names of 987959697138

• Cardinal: 987959697138 can be written as Nine hundred eighty-seven billion, nine hundred fifty-nine million, six hundred ninety-seven thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 9.87959697138 × 10¹¹

Factors of 987959697138

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8682

Divisors of 987959697138

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 243 486 729 1458 2187 4374 6561 8677 13122 17354 26031 52062 78093 156186 234279 468558 702837 1405674 2108511 4217022 6325533 12651066 18976599 37953198 56929797 75290329 113859594 150580658 225870987 451741974 677612961 1355225922 2032838883 4065677766 6098516649 12197033298 18295549947 36591099894 54886649841 109773299682 164659949523 329319899046 493979848569 987959697138
• Sum of all divisors σ(n): 2223052583661
• Sum of proper divisors (its aliquot sum) s(n): 1235092886523
• 987959697138 is an abundant number, because the sum of its proper divisors (1235092886523) is greater than itself. Its abundance is 247133189385

Bases of 987959697138

• Binary: 1110011000000110111111001001111011110010₂
• Hexadecimal: 0xE606FC9EF2
• Base-36: CLV1P14I

Squares and roots of 987959697138

• 987959697138 squared (987959697138²) is 976064363169008685391044
• 987959697138 cubed (987959697138³) is 964312252623648662726627355337632072
• The square root of 987959697138 is 993961.6175376191
• The cube root of 987959697138 is 9959.7034944031

Scales and comparisons

• 987,959,697,138 seconds is equal to 31,414 years, 3 weeks, 1 day, 17 hours, 12 minutes, 18 seconds.
• To count from 1 to 987,959,697,138 would take you about sixty-two thousand, eight hundred twenty-eight 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 987959697138 cubic inches would be around 830 feet tall.

Recreational maths with 987959697138

• 987959697138 backwards is 831796959789
• 987959697138 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 987959697138's digits is 81
• More coming soon!