990975639997

Names of 990975639997

• Cardinal: 990975639997 can be written as Nine hundred ninety billion, nine hundred seventy-five million, six hundred thirty-nine thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 9.90975639997 × 10¹¹

Factors of 990975639997

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 967

Divisors of 990975639997

• Number of divisors d(n): 72
• Complete list of divisors:
  1 7 29 49 79 109 203 553 743 763 1421 2291 3161 3871 5201 5341 8611 11881 16037 21547 22127 36407 58697 60277 80987 83167 112259 150829 154889 249719 344549 410879 421939 566909 582169 938599 1055803 1702213 1748033 2348623 2411843 2876153 3968363 6397973 6570193 8827583 11915491 12236231 16440361 16882901 27219371 44785811 45991351 61793081 83408437 115082527 185541217 190535597 255999907 313500677 432551567 697379057 1298788519 1333749179 1791999349 4881653399 9091519633 12543995443 20223992653 34171573793 141567948571 990975639997
• Sum of all divisors σ(n): 1220434387200
• Sum of proper divisors (its aliquot sum) s(n): 229458747203
• 990975639997 is a deficient number, because the sum of its proper divisors (229458747203) is less than itself. Its deficiency is 761516892794

Bases of 990975639997

• Binary: 1110011010111010110000000100000110111101₂
• Hexadecimal: 0xE6BAC041BD
• Base-36: CN8XB5J1

Squares and roots of 990975639997

• 990975639997 squared (990975639997²) is 982032719067463746160009
• 990975639997 cubed (990975639997³) is 973170502275873990870510069942279973
• The square root of 990975639997 is 995477.5939201243
• The cube root of 990975639997 is 9969.8278557193

Scales and comparisons

• 990,975,639,997 seconds is equal to 31,509 years, 49 weeks, 6 days, 11 hours, 6 minutes, 37 seconds.
• To count from 1 to 990,975,639,997 would take you about sixty-three thousand and nineteen 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 990975639997 cubic inches would be around 830.8 feet tall.

Recreational maths with 990975639997

• 990975639997 backwards is 799936579099
• The number of decimal digits it has is: 12
• The sum of 990975639997's digits is 82
• More coming soon!