990010508388

Names of 990010508388

• Cardinal: 990010508388 can be written as Nine hundred ninety billion, ten million, five hundred eight thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 9.90010508388 × 10¹¹

Factors of 990010508388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7889

Divisors of 990010508388

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 11 12 22 33 44 66 121 132 242 363 484 726 1331 1452 2662 3993 5324 7873 7986 15746 15972 23619 31492 47238 86603 94476 173206 259809 346412 519618 952633 1039236 1905266 2857899 3810532 5715798 10478963 11431596 20957926 31436889 41915852 61984129 62873778 123968258 125747556 185952387 247936516 371904774 681825419 743809548 1363650838 2045476257 2727301676 4090952514 7500079609 8181905028 15000159218 22500238827 30000318436 45000477654 82500875699 90000955308 165001751398 247502627097 330003502796 495005254194 990010508388
• Sum of all divisors σ(n): 2541176186976
• Sum of proper divisors (its aliquot sum) s(n): 1551165678588
• 990010508388 is an abundant number, because the sum of its proper divisors (1551165678588) is greater than itself. Its abundance is 561155170200

Bases of 990010508388

• Binary: 1110011010000001001110011000010001100100₂
• Hexadecimal: 0xE681398464
• Base-36: CMSYP17O

Squares and roots of 990010508388

• 990010508388 squared (990010508388²) is 980120806718666218358544
• 990010508388 cubed (990010508388³) is 970329898141203428926423564303467072
• The square root of 990010508388 is 994992.7177562657
• The cube root of 990010508388 is 9966.5901974443

Scales and comparisons

• 990,010,508,388 seconds is equal to 31,479 years, 14 weeks, 22 hours, 59 minutes, 48 seconds.
• To count from 1 to 990,010,508,388 would take you about sixty-two thousand, nine hundred fifty-eight 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 990010508388 cubic inches would be around 830.5 feet tall.

Recreational maths with 990010508388

• 990010508388 backwards is 883805010099
• The number of decimal digits it has is: 12
• The sum of 990010508388's digits is 51
• More coming soon!