987331097961

Names of 987331097961

• Cardinal: 987331097961 can be written as Nine hundred eighty-seven billion, three hundred thirty-one million, ninety-seven thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 9.87331097961 × 10¹¹

Factors of 987331097961

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 14137

Divisors of 987331097961

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 13 27 39 97 117 291 351 873 1261 2521 2619 3783 7563 11349 11503 22689 32773 34047 34509 68067 98319 103527 149539 244537 294957 310581 448617 733611 884871 1115791 1345851 2200833 3178981 3347373 4037553 6602499 9536943 10042119 14505283 28610829 28999063 30126357 43515849 85832487 86997189 130547547 260991567 376987819 391642641 782974701 1130963457 2812909111 3392890371 8438727333 10178671113 25316181999 36567818443 75948545997 109703455329 329110365987 987331097961
• Sum of all divisors σ(n): 1592238269440
• Sum of proper divisors (its aliquot sum) s(n): 604907171479
• 987331097961 is a deficient number, because the sum of its proper divisors (604907171479) is less than itself. Its deficiency is 382423926482

Bases of 987331097961

• Binary: 1110010111100001100001001111010101101001₂
• Hexadecimal: 0xE5E184F569
• Base-36: CLKNFYW9

Squares and roots of 987331097961

• 987331097961 squared (987331097961²) is 974822697000873778357521
• 987331097961 cubed (987331097961³) is 962472763747175929362105768132114681
• The square root of 987331097961 is 993645.3582445801
• The cube root of 987331097961 is 9957.5907261359

Scales and comparisons

• 987,331,097,961 seconds is equal to 31,394 years, 3 weeks, 6 days, 6 hours, 19 minutes, 21 seconds.
• To count from 1 to 987,331,097,961 would take you about sixty-two thousand, seven hundred eighty-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 987331097961 cubic inches would be around 829.8 feet tall.

Recreational maths with 987331097961

• 987331097961 backwards is 169790133789
• The number of decimal digits it has is: 12
• The sum of 987331097961's digits is 63
• More coming soon!