990245165

Names of 990245165

• Cardinal: 990245165 can be written as Nine hundred ninety million, two hundred forty-five thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 9.90245165 × 10⁸

Factors of 990245165

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 276

Divisors of 990245165

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 7 13 29 35 49 65 71 91 145 151 203 245 355 377 455 497 637 755 923 1015 1057 1421 1885 1963 2059 2485 2639 3185 3479 4379 4615 5285 6461 7105 7399 9815 10295 10721 13195 13741 14413 17395 18473 21895 26767 30653 32305 36995 45227 53605 56927 68705 72065 75047 92365 96187 100891 133835 139373 153265 187369 214571 226135 284635 310909 375235 398489 480935 504455 525329 696865 936845 975611 1072855 1311583 1554545 1992445 2176363 2626645 2789423 4041817 4878055 6557915 6829277 10881815 13947115 15234541 20209085 28292719 34146385 76172705 141463595 198049033 990245165
• Sum of all divisors σ(n): 1571996160
• Sum of proper divisors (its aliquot sum) s(n): 581750995
• 990245165 is a deficient number, because the sum of its proper divisors (581750995) is less than itself. Its deficiency is 408494170

Bases of 990245165

• Binary: 111011000001011111000100101101₂
• Hexadecimal: 0x3B05F12D
• Base-36: GDKE25

Squares and roots of 990245165

• 990245165 squared (990245165²) is 980585486805877225
• 990245165 cubed (990245165³) is 971020037178691215639867125
• The square root of 990245165 is 31468.1611315311
• The cube root of 990245165 is 996.7377576809

Scales and comparisons

• 990,245,165 seconds is equal to 31 years, 25 weeks, 2 days, 4 hours, 6 minutes, 5 seconds.
• To count from 1 to 990,245,165 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 990245165 cubic inches would be around 83.1 feet tall.

Recreational maths with 990245165

• 990245165 backwards is 561542099
• The number of decimal digits it has is: 9
• The sum of 990245165's digits is 41
• More coming soon!