409491011691810021

Names of 409491011691810021

• Cardinal: 409491011691810021 can be written as Four hundred nine quadrillion, four hundred ninety-one trillion, eleven billion, six hundred ninety-one million, eight hundred ten thousand and twenty-one.

Scientific notation

• Scientific notation: 4.09491011691810021 × 10¹⁷

Factors of 409491011691810021

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 94465582605

Divisors of 409491011691810021

• Number of divisors d(n): 32
• Complete list of divisors:
  1 3 53 137 159 199 411 597 7261 10547 21783 27263 31641 81789 1444939 4334817 94465582213 283396746639 5006675857289 12941784763181 15020027571867 18798650860387 38825354289543 56395952581161 685914592448593 996328495600511 2057743777345779 2575415167873019 2988985486801533 7726245503619057 136497003897270007 409491011691810021
• Sum of all divisors σ(n): 563166014926982400
• Sum of proper divisors (its aliquot sum) s(n): 153675003235172379
• 409491011691810021 is a deficient number, because the sum of its proper divisors (153675003235172379) is less than itself. Its deficiency is 255816008456637642

Bases of 409491011691810021

• Binary: 10110101110110011011110011111010010100110110000110011100101₂
• Hexadecimal: 0x5AECDE7D29B0CE5
• Base-36: 3400G5S0P04L

Squares and roots of 409491011691810021

• 409491011691810021 squared (409491011691810021²) is 167682888656382091317043567156020441
• 409491011691810021 cubed (409491011691810021³) is 68664635719307036898422848223833032973877262564639261
• The square root of 409491011691810021 is 639914847.2193859177
• The cube root of 409491011691810021 is 742588.3378845799

Scales and comparisons

• 409,491,011,691,810,021 seconds is equal to 13,020,547,532 years, 48 weeks, 4 days, 13 hours, 21 seconds.
• To count from 1 to 409,491,011,691,810,021 would take you about thirty-nine billion, sixty-one million, six hundred forty-two thousand, five hundred ninety-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 409491011691810021 cubic inches would be around 61882.4 feet tall.

Recreational maths with 409491011691810021

• 409491011691810021 backwards is 120018196110194904
• The number of decimal digits it has is: 18
• The sum of 409491011691810021's digits is 57
• More coming soon!