990379220425

Names of 990379220425

• Cardinal: 990379220425 can be written as Nine hundred ninety billion, three hundred seventy-nine million, two hundred twenty thousand, four hundred twenty-five.

Scientific notation

• Scientific notation: 9.90379220425 × 10¹¹

Factors of 990379220425

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31112

Divisors of 990379220425

• Number of divisors d(n): 72
• Complete list of divisors:
  1 5 7 25 35 49 61 175 245 305 343 427 1225 1525 1715 2135 2989 3721 8575 10675 14945 18605 20923 26047 31039 74725 93025 104615 130235 155195 182329 217273 523075 651175 775975 911645 1086365 1276303 1520911 1893379 4558225 5431825 6381515 7604555 9466895 10646377 13253653 31907575 38022775 47334475 53231885 66268265 92775571 115496119 266159425 331341325 463877855 577480595 649428997 808472833 2319389275 2887402975 3247144985 4042364165 5659309831 16235724925 20211820825 28296549155 39615168817 141482745775 198075844085 990379220425
• Sum of all divisors σ(n): 1456061568000
• Sum of proper divisors (its aliquot sum) s(n): 465682347575
• 990379220425 is a deficient number, because the sum of its proper divisors (465682347575) is less than itself. Its deficiency is 524696872850

Bases of 990379220425

• Binary: 1110011010010111001100111001110111001001₂
• Hexadecimal: 0xE697339DC9
• Base-36: CMZ27T8P

Squares and roots of 990379220425

• 990379220425 squared (990379220425²) is 980851000249630737180625
• 990379220425 cubed (990379220425³) is 971414448980310769883065449914265625
• The square root of 990379220425 is 995177.9842947693
• The cube root of 990379220425 is 9967.8273377347

Scales and comparisons

• 990,379,220,425 seconds is equal to 31,490 years, 51 weeks, 5 days, 11 hours, 25 seconds.
• To count from 1 to 990,379,220,425 would take you about sixty-two thousand, nine hundred eighty-one 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 990379220425 cubic inches would be around 830.7 feet tall.

Recreational maths with 990379220425

• 990379220425 backwards is 524022973099
• The number of decimal digits it has is: 12
• The sum of 990379220425's digits is 52
• More coming soon!