990957866120

Names of 990957866120

• Cardinal: 990957866120 can be written as Nine hundred ninety billion, nine hundred fifty-seven million, eight hundred sixty-six thousand, one hundred twenty.

Scientific notation

• Scientific notation: 9.9095786612 × 10¹¹

Factors of 990957866120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 179174

Divisors of 990957866120

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 20 40 61 122 244 305 488 610 1220 2297 2440 4594 9188 11485 18376 22970 45940 91880 140117 176809 280234 353618 560468 700585 707236 884045 1120936 1401170 1414472 1768090 2802340 3536180 5604680 7072360 10785349 21570698 43141396 53926745 86282792 107853490 215706980 406130273 431413960 812260546 1624521092 2030651365 3249042184 4061302730 8122605460 16245210920 24773946653 49547893306 99095786612 123869733265 198191573224 247739466530 495478933060 990957866120
• Sum of all divisors σ(n): 2267206340400
• Sum of proper divisors (its aliquot sum) s(n): 1276248474280
• 990957866120 is an abundant number, because the sum of its proper divisors (1276248474280) is greater than itself. Its abundance is 285290608160

Bases of 990957866120

• Binary: 1110011010111001101100010000110010001000₂
• Hexadecimal: 0xE6B9B10C88
• Base-36: CN8MQ748

Squares and roots of 990957866120

• 990957866120 squared (990957866120²) is 981997492425103843854400
• 990957866120 cubed (990957866120³) is 973118139628771769025365899972928000
• The square root of 990957866120 is 995468.6665686673
• The cube root of 990957866120 is 9969.7682499643

Scales and comparisons

• 990,957,866,120 seconds is equal to 31,509 years, 20 weeks, 3 days, 17 hours, 55 minutes, 20 seconds.
• To count from 1 to 990,957,866,120 would take you about sixty-three thousand and eighteen 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 990957866120 cubic inches would be around 830.8 feet tall.

Recreational maths with 990957866120

• 990957866120 backwards is 021668759099
• The number of decimal digits it has is: 12
• The sum of 990957866120's digits is 62
• More coming soon!