491490201539282021

Names of 491490201539282021

• Cardinal: 491490201539282021 can be written as Four hundred ninety-one quadrillion, four hundred ninety trillion, two hundred one billion, five hundred thirty-nine million, two hundred eighty-two thousand and twenty-one.

Scientific notation

• Scientific notation: 4.91490201539282021 × 10¹⁷

Factors of 491490201539282021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 52199765

Divisors of 491490201539282021

• Number of divisors d(n): 32
• Complete list of divisors:
  1 43 53 347 2279 11909 14921 18391 512087 631177 790813 4132423 27140611 52187413 177694189 219018419 2244058759 2765932889 9417792017 18109032311 118935114227 621499901417 778688389373 959778712483 26724495760931 32939494775101 41270484636769 215660465791699 1416398275329343 9273400029043057 11430004686960047 491490201539282021
• Sum of all divisors σ(n): 513929111392667520
• Sum of proper divisors (its aliquot sum) s(n): 22438909853385499
• 491490201539282021 is a deficient number, because the sum of its proper divisors (22438909853385499) is less than itself. Its deficiency is 469051291685896522

Bases of 491490201539282021

• Binary: 11011010010000111111011101111111001010101011000010001100101₂
• Hexadecimal: 0x6D21FBBF9558465
• Base-36: 3QFEQHJZJCDH

Squares and roots of 491490201539282021

• 491490201539282021 squared (491490201539282021²) is 241562618209124059084777540173844441
• 491490201539282021 cubed (491490201539282021³) is 118725659907959020779381012483290621450182162482095261
• The square root of 491490201539282021 is 701063621.6059723783
• The cube root of 491490201539282021 is 789171.9152595417

Scales and comparisons

• 491,490,201,539,282,021 seconds is equal to 15,627,868,129 years, 48 weeks, 5 days, 5 hours, 53 minutes, 41 seconds.
• To count from 1 to 491,490,201,539,282,021 would take you about forty-six billion, eight hundred eighty-three million, six hundred four thousand, three hundred eighty-nine 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 491490201539282021 cubic inches would be around 65764.3 feet tall.

Recreational maths with 491490201539282021

• 491490201539282021 backwards is 120282935102094194
• The number of decimal digits it has is: 18
• The sum of 491490201539282021's digits is 62
• More coming soon!