990393827901984

Names of 990393827901984

• Cardinal: 990393827901984 can be written as Nine hundred ninety trillion, three hundred ninety-three billion, eight hundred twenty-seven million, nine hundred one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 9.90393827901984 × 10¹⁴

Factors of 990393827901984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 312624314379

Divisors of 990393827901984

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 312624314363 625248628726 937872943089 1250497257452 1875745886178 2500994514904 2813618829267 3438867457993 3751491772356 5001989029808 5627237658534 6877734915986 7502983544712 10003978059616 10316602373979 11254475317068 13755469831972 15005967089424 20633204747958 22508950634136 27510939663944 30011934178848 30949807121937 41266409495916 45017901268272 55021879327888 61899614243874 82532818991832 90035802536544 110043758655776 123799228487748 165065637983664 247598456975496 330131275967328 495196913950992 990393827901984
• Sum of all divisors σ(n): 3072471761569392
• Sum of proper divisors (its aliquot sum) s(n): 2082077933667408
• 990393827901984 is an abundant number, because the sum of its proper divisors (2082077933667408) is greater than itself. Its abundance is 1091684105765424

Bases of 990393827901984

• Binary: 11100001001100001000001000010011001100001000100000₂
• Hexadecimal: 0x384C2084CC220
• Base-36: 9R2CN5X6W0

Squares and roots of 990393827901984

• 990393827901984 squared (990393827901984²) is 980879934346344701119111136256
• 990393827901984 cubed (990393827901984³) is 971457432889523078703981039969118630836731904
• The square root of 990393827901984 is 31470523.1590131657
• The cube root of 990393827901984 is 99678.7634390969

Scales and comparisons

• 990,393,827,901,984 seconds is equal to 31,491,460 years, 12 weeks, 2 days, 15 hours, 26 minutes, 24 seconds.
• To count from 1 to 990,393,827,901,984 would take you about seventy-eight million, seven hundred twenty-eight thousand, six hundred fifty 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 990393827901984 cubic inches would be around 8306.6 feet tall.

Recreational maths with 990393827901984

• 990393827901984 backwards is 489109728393099
• The number of decimal digits it has is: 15
• The sum of 990393827901984's digits is 81
• More coming soon!