990905214

Names of 990905214

• Cardinal: 990905214 can be written as Nine hundred ninety million, nine hundred five thousand, two hundred fourteen.

Scientific notation

• Scientific notation: 9.90905214 × 10⁸

Factors of 990905214

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1154

Divisors of 990905214

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 13 17 19 26 34 37 38 39 51 57 74 78 102 111 114 221 222 247 323 442 481 494 629 646 663 703 741 962 969 1063 1258 1326 1406 1443 1482 1887 1938 2109 2126 2886 3189 3774 4199 4218 6378 8177 8398 9139 11951 12597 13819 16354 18071 18278 20197 23902 24531 25194 27417 27638 35853 36142 39331 40394 41457 49062 54213 54834 60591 71706 78662 82914 108426 117993 121182 155363 234923 235986 262561 310726 343349 466089 469846 511303 525122 668627 686698 704769 747289 787683 932178 1022606 1030047 1337254 1409538 1494578 1533909 1575366 2005881 2060094 2241867 3067818 4011762 4463537 4483734 8692151 8927074 9714757 12703913 13390611 17384302 19429514 25407826 26076453 26781222 29144271 38111739 52152906 58288542 76223478 165150869 330301738 495452607 990905214
• Sum of all divisors σ(n): 2445327360
• Sum of proper divisors (its aliquot sum) s(n): 1454422146
• 990905214 is an abundant number, because the sum of its proper divisors (1454422146) is greater than itself. Its abundance is 463516932

Bases of 990905214

• Binary: 111011000100000000001101111110₂
• Hexadecimal: 0x3B10037E
• Base-36: GDYJCU

Squares and roots of 990905214

• 990905214 squared (990905214²) is 981893143132385796
• 990905214 cubed (990905214³) is 972963035120729377515940344
• The square root of 990905214 is 31478.6469531331
• The cube root of 990905214 is 996.9591673761

Scales and comparisons

• 990,905,214 seconds is equal to 31 years, 26 weeks, 2 days, 19 hours, 26 minutes, 54 seconds.
• To count from 1 to 990,905,214 would take you about forty-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 990905214 cubic inches would be around 83.1 feet tall.

Recreational maths with 990905214

• 990905214 backwards is 412509099
• 990905214 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 990905214's digits is 39
• More coming soon!