990870571264

Names of 990870571264

• Cardinal: 990870571264 can be written as Nine hundred ninety billion, eight hundred seventy million, five hundred seventy-one thousand, two hundred sixty-four.

Scientific notation

• Scientific notation: 9.90870571264 × 10¹¹

Factors of 990870571264

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 32525977

Divisors of 990870571264

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 256 272 448 476 544 896 952 1088 1792 1904 2176 3808 4352 7616 15232 30464 32525951 65051902 130103804 227681657 260207608 455363314 520415216 552941167 910726628 1040830432 1105882334 1821453256 2081660864 2211764668 3642906512 3870588169 4163321728 4423529336 7285813024 7741176338 8326643456 8847058672 14571626048 15482352676 17694117344 29143252096 30964705352 35388234688 58286504192 61929410704 70776469376 123858821408 141552938752 247717642816 495435285632 990870571264
• Sum of all divisors σ(n): 2393389651968
• Sum of proper divisors (its aliquot sum) s(n): 1402519080704
• 990870571264 is an abundant number, because the sum of its proper divisors (1402519080704) is greater than itself. Its abundance is 411648509440

Bases of 990870571264

• Binary: 1110011010110100011111010000100100000000₂
• Hexadecimal: 0xE6B47D0900
• Base-36: CN76R5Z4

Squares and roots of 990870571264

• 990870571264 squared (990870571264²) is 981824488997045702557696
• 990870571264 cubed (990870571264³) is 972860992293487557701660461439647744
• The square root of 990870571264 is 995424.8194936673
• The cube root of 990870571264 is 9969.4754911193

Scales and comparisons

• 990,870,571,264 seconds is equal to 31,506 years, 32 weeks, 1 day, 9 hours, 21 minutes, 4 seconds.
• To count from 1 to 990,870,571,264 would take you about sixty-three thousand and thirteen 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 990870571264 cubic inches would be around 830.8 feet tall.

Recreational maths with 990870571264

• 990870571264 backwards is 462175078099
• The number of decimal digits it has is: 12
• The sum of 990870571264's digits is 58
• More coming soon!