990783117975

Names of 990783117975

• Cardinal: 990783117975 can be written as Nine hundred ninety billion, seven hundred eighty-three million, one hundred seventeen thousand, nine hundred seventy-five.

Scientific notation

• Scientific notation: 9.90783117975 × 10¹¹

Factors of 990783117975

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3783

Divisors of 990783117975

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 15 21 25 35 75 105 175 525 797 2391 2971 3985 5579 8913 11955 14855 16737 19925 20797 27895 44565 59775 62391 74275 83685 103985 139475 222825 311955 418425 519925 635209 1559775 1905627 2367887 3176045 4446463 7103661 9528135 11839435 13339389 15880225 16575209 22232315 35518305 47640675 49725627 59197175 66696945 82876045 111161575 177591525 248628135 333484725 414380225 1243140675 1887205939 5661617817 9436029695 13210441573 28308089085 39631324719 47180148475 66052207865 141540445425 198156623595 330261039325 990783117975
• Sum of all divisors σ(n): 1875091101568
• Sum of proper divisors (its aliquot sum) s(n): 884307983593
• 990783117975 is a deficient number, because the sum of its proper divisors (884307983593) is less than itself. Its deficiency is 106475134382

Bases of 990783117975

• Binary: 1110011010101111010001101001101010010111₂
• Hexadecimal: 0xE6AF469A97
• Base-36: CN5QOQL3

Squares and roots of 990783117975

• 990783117975 squared (990783117975²) is 981651186864262768100625
• 990783117975 cubed (990783117975³) is 972603423685233628478441606046234375
• The square root of 990783117975 is 995380.8909030753
• The cube root of 990783117975 is 9969.1821836993

Scales and comparisons

• 990,783,117,975 seconds is equal to 31,503 years, 43 weeks, 4 days, 4 hours, 46 minutes, 15 seconds.
• To count from 1 to 990,783,117,975 would take you about sixty-three thousand and 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 990783117975 cubic inches would be around 830.8 feet tall.

Recreational maths with 990783117975

• 990783117975 backwards is 579711387099
• The number of decimal digits it has is: 12
• The sum of 990783117975's digits is 66
• More coming soon!