990909000960

Names of 990909000960

• Cardinal: 990909000960 can be written as Nine hundred ninety billion, nine hundred nine million, nine hundred sixty.

Scientific notation

• Scientific notation: 9.9090900096 × 10¹¹

Factors of 990909000960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 258049229

Divisors of 990909000960

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 640 768 960 1280 1920 3840 258049219 516098438 774147657 1032196876 1290246095 1548295314 2064393752 2580492190 3096590628 3870738285 4128787504 5160984380 6193181256 7741476570 8257575008 10321968760 12386362512 15482953140 16515150016 20643937520 24772725024 30965906280 33030300032 41287875040 49545450048 61931812560 66060600064 82575750080 99090900096 123863625120 165151500160 198181800192 247727250240 330303000320 495454500480 990909000960
• Sum of all divisors σ(n): 3164715634080
• Sum of proper divisors (its aliquot sum) s(n): 2173806633120
• 990909000960 is an abundant number, because the sum of its proper divisors (2173806633120) is greater than itself. Its abundance is 1182897632160

Bases of 990909000960

• Binary: 1110011010110110110001110110110100000000₂
• Hexadecimal: 0xE6B6C76D00
• Base-36: CN7TMUIO

Squares and roots of 990909000960

• 990909000960 squared (990909000960²) is 981900648183545280921600
• 990909000960 cubed (990909000960³) is 972974190333533293028945204084736000
• The square root of 990909000960 is 995444.1224699657
• The cube root of 990909000960 is 9969.6043740669

Scales and comparisons

• 990,909,000,960 seconds is equal to 31,507 years, 43 weeks, 5 days, 4 hours, 16 minutes.
• To count from 1 to 990,909,000,960 would take you about sixty-three thousand and fifteen 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 990909000960 cubic inches would be around 830.8 feet tall.

Recreational maths with 990909000960

• 990909000960 backwards is 069000909099
• The number of decimal digits it has is: 12
• The sum of 990909000960's digits is 51
• More coming soon!