990249980427

Names of 990249980427

• Cardinal: 990249980427 can be written as Nine hundred ninety billion, two hundred forty-nine million, nine hundred eighty thousand, four hundred twenty-seven.

Scientific notation

• Scientific notation: 9.90249980427 × 10¹¹

Factors of 990249980427

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1183

Divisors of 990249980427

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 27 41 123 149 181 369 447 543 809 1107 1341 1629 1681 2427 4023 4887 5043 6109 7281 7421 15129 18327 21843 22263 26969 33169 45387 54981 66789 80907 99507 120541 146429 164943 200367 242721 250469 298521 304261 361623 439287 728163 751407 895563 912783 1084869 1105729 1317861 1359929 2254221 2738349 3254607 3317187 3953583 4079787 4942181 6003589 6762663 8215047 9951561 12239361 14826543 18010767 21817921 29854683 36718083 44479629 45334889 54032301 65453763 133438887 136004667 162096903 196361289 202629421 246147149 408014001 589083867 607888263 738441447 894534761 1224042003 1823664789 2215324341 2683604283 5470994367 6645973023 8050812849 24152438547 36675925201 110027775603 330083326809 990249980427
• Sum of all divisors σ(n): 1524027960000
• Sum of proper divisors (its aliquot sum) s(n): 533777979573
• 990249980427 is a deficient number, because the sum of its proper divisors (533777979573) is less than itself. Its deficiency is 456472000854

Bases of 990249980427

• Binary: 1110011010001111011111111001001000001011₂
• Hexadecimal: 0xE68F7F920B
• Base-36: CMWX9R0R

Squares and roots of 990249980427

• 990249980427 squared (990249980427²) is 980595023735673883102329
• 990249980427 cubed (990249980427³) is 971034203061064663163736378288114483
• The square root of 990249980427 is 995113.0490687981
• The cube root of 990249980427 is 9967.3937334481

Scales and comparisons

• 990,249,980,427 seconds is equal to 31,486 years, 46 weeks, 15 hours, 27 seconds.
• To count from 1 to 990,249,980,427 would take you about sixty-two thousand, nine hundred seventy-three 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 990249980427 cubic inches would be around 830.6 feet tall.

Recreational maths with 990249980427

• 990249980427 backwards is 724089942099
• The number of decimal digits it has is: 12
• The sum of 990249980427's digits is 63
• More coming soon!