990466620287391025

Names of 990466620287391025

• Cardinal: 990466620287391025 can be written as Nine hundred ninety quadrillion, four hundred sixty-six trillion, six hundred twenty billion, two hundred eighty-seven million, three hundred ninety-one thousand and twenty-five.

Scientific notation

• Scientific notation: 9.90466620287391025 × 10¹⁷

Factors of 990466620287391025

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 206809

Divisors of 990466620287391025

• Number of divisors d(n): 27
• Complete list of divisors:
  1 5 25 967 4835 24175 205837 935089 1029185 4675445 5145925 23377225 199044379 995221895 4976109475 42368870569 192475914493 211844352845 962379572465 1059221764225 4811897862325 40970697840223 204853489201115 1024267446005575 39618664811495641 198093324057478205 990466620287391025
• Sum of all divisors σ(n): 1229455987183523169
• Sum of proper divisors (its aliquot sum) s(n): 238989366896132144
• 990466620287391025 is a deficient number, because the sum of its proper divisors (238989366896132144) is less than itself. Its deficiency is 751477253391258881

Bases of 990466620287391025

• Binary: 110110111110110110000010010010111000000111001001010100110001₂
• Hexadecimal: 0xDBED824B81C9531
• Base-36: 7IWJ43TGT5IP

Squares and roots of 990466620287391025

• 990466620287391025 squared (990466620287391025²) is 981024125903526834382764601250550625
• 990466620287391025 cubed (990466620287391025³) is 971671650404058198823540268904548611769749525933140625
• 990466620287391025 is a perfect square number. Its square root is 995221895
• The cube root of 990466620287391025 is 996812.0545660663

Scales and comparisons

• 990,466,620,287,391,025 seconds is equal to 31,493,774,810 years, 37 weeks, 5 days, 1 hour, 30 minutes, 25 seconds.
• To count from 1 to 990,466,620,287,391,025 would take you about ninety-four billion, four hundred eighty-one million, three hundred twenty-four thousand, four hundred thirty-two 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 990466620287391025 cubic inches would be around 83067.7 feet tall.

Recreational maths with 990466620287391025

• 990466620287391025 backwards is 520193782026664099
• The number of decimal digits it has is: 18
• The sum of 990466620287391025's digits is 79
• More coming soon!