990406417

Names of 990406417

• Cardinal: 990406417 can be written as Nine hundred ninety million, four hundred six thousand, four hundred seventeen.

Scientific notation

• Scientific notation: 9.90406417 × 10⁸

Factors of 990406417

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 85

Divisors of 990406417

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 11 13 17 37 77 91 119 121 143 169 187 221 259 407 481 629 847 1001 1183 1309 1331 1547 1573 1859 2057 2431 2849 2873 3367 4403 4477 5291 6253 6919 8177 9317 11011 13013 14399 17017 17303 20111 20449 22627 26741 31339 31603 37037 43771 48433 49247 57239 58201 68783 76109 89947 106301 121121 143143 158389 187187 221221 224939 294151 344729 347633 407407 481481 532763 629629 640211 744107 756613 837199 989417 1169311 1574573 2059057 2433431 3823963 4481477 5296291 5860393 6925919 8185177 8322743 10883587 12862421 26767741 58259201 76185109 90036947 141486631 990406417
• Sum of all divisors σ(n): 1466014464
• Sum of proper divisors (its aliquot sum) s(n): 475608047
• 990406417 is a deficient number, because the sum of its proper divisors (475608047) is less than itself. Its deficiency is 514798370

Bases of 990406417

• Binary: 111011000010000110011100010001₂
• Hexadecimal: 0x3B086711
• Base-36: GDNUHD

Squares and roots of 990406417

• 990406417 squared (990406417²) is 980904870834777889
• 990406417 cubed (990406417³) is 971494478541320168035313713
• The square root of 990406417 is 31470.7231724979
• The cube root of 990406417 is 996.7918578301

Scales and comparisons

• 990,406,417 seconds is equal to 31 years, 25 weeks, 4 days, 53 minutes, 37 seconds.
• To count from 1 to 990,406,417 would take you about forty-seven 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 990406417 cubic inches would be around 83.1 feet tall.

Recreational maths with 990406417

• 990406417 backwards is 714604099
• The number of decimal digits it has is: 9
• The sum of 990406417's digits is 40
• More coming soon!