9987933942

Names of 9987933942

• Cardinal: 9987933942 can be written as Nine billion, nine hundred eighty-seven million, nine hundred thirty-three thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 9.987933942 × 10⁹

Factors of 9987933942

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 76531

Divisors of 9987933942

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 34 42 51 61 63 102 119 122 126 153 183 238 306 357 366 427 549 714 854 1037 1071 1098 1281 2074 2142 2562 3111 3843 6222 7259 7686 9333 14518 18666 21777 43554 65331 76441 130662 152882 229323 458646 535087 687969 1070174 1299497 1375938 1605261 2598994 3210522 3898491 4662901 4815783 7796982 9096479 9325802 9631566 11695473 13988703 18192958 23390946 27289437 27977406 32640307 41966109 54578874 65280614 79269317 81868311 83932218 97920921 158538634 163736622 195841842 237807951 293762763 475615902 554885219 587525526 713423853 1109770438 1426847706 1664655657 3329311314 4993966971 9987933942
• Sum of all divisors σ(n): 26616492864
• Sum of proper divisors (its aliquot sum) s(n): 16628558922
• 9987933942 is an abundant number, because the sum of its proper divisors (16628558922) is greater than itself. Its abundance is 6640624980

Bases of 9987933942

• Binary: 1001010011010100111100011011110110₂
• Hexadecimal: 0x25353C6F6
• Base-36: 4L6K35I

Squares and roots of 9987933942

• 9987933942 squared (9987933942²) is 99758824429755659364
• 9987933942 cubed (9987933942³) is 996384548535975344928285732888
• The square root of 9987933942 is 99939.6515002929
• The cube root of 9987933942 is 2153.5678234853

Scales and comparisons

• 9,987,933,942 seconds is equal to 317 years, 30 weeks, 3 days, 2 hours, 5 minutes, 42 seconds.
• To count from 1 to 9,987,933,942 would take you about six hundred thirty-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 9987933942 cubic inches would be around 179.5 feet tall.

Recreational maths with 9987933942

• 9987933942 backwards is 2493397899
• 9987933942 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9987933942's digits is 63
• More coming soon!