9009942291

Names of 9009942291

• Cardinal: 9009942291 can be written as Nine billion, nine million, nine hundred forty-two thousand, two hundred ninety-one.

Scientific notation

• Scientific notation: 9.009942291 × 10⁹

Factors of 9009942291

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1262

Divisors of 9009942291

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 19 21 57 63 73 97 133 171 219 291 399 511 657 679 873 1063 1197 1387 1533 1843 2037 3189 4161 4599 5529 6111 7081 7441 9567 9709 12483 12901 16587 20197 21243 22323 29127 38703 49567 60591 63729 66969 77599 87381 103111 116109 134539 141379 148701 181773 232797 309333 403617 424137 446103 543193 698391 721777 927999 941773 1210851 1272411 1474381 1629579 1959109 2165331 2825319 4423143 4888737 5877327 6495993 7527103 8475957 10320667 13269429 13713763 17631981 22581309 30962001 41141289 52689721 67743927 92886003 123423867 143014957 158069163 429044871 474207489 1001104699 1287134613 3003314097 9009942291
• Sum of all divisors σ(n): 16049546240
• Sum of proper divisors (its aliquot sum) s(n): 7039603949
• 9009942291 is a deficient number, because the sum of its proper divisors (7039603949) is less than itself. Its deficiency is 1970338342

Bases of 9009942291

• Binary: 1000011001000010001100111100010011₂
• Hexadecimal: 0x21908CF13
• Base-36: 450ABYR

Squares and roots of 9009942291

• 9009942291 squared (9009942291²) is 81179060087150328681
• 9009942291 cubed (9009942291³) is 731418646622845892057492148171
• The square root of 9009942291 is 94920.7158158849
• The cube root of 9009942291 is 2080.8494966811

Scales and comparisons

• 9,009,942,291 seconds is equal to 286 years, 25 weeks, 2 days, 17 hours, 44 minutes, 51 seconds.
• To count from 1 to 9,009,942,291 would take you about five hundred seventy-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 9009942291 cubic inches would be around 173.4 feet tall.

Recreational maths with 9009942291

• 9009942291 backwards is 1922499009
• The number of decimal digits it has is: 10
• The sum of 9009942291's digits is 45
• More coming soon!