1642438081624801

Names of 1642438081624801

• Cardinal: 1642438081624801 can be written as One quadrillion, six hundred forty-two trillion, four hundred thirty-eight billion, eighty-one million, six hundred twenty-four thousand, eight hundred one.

Scientific notation

• Scientific notation: 1.642438081624801 × 10¹⁵

Factors of 1642438081624801

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 899552255

Divisors of 1642438081624801

• Number of divisors d(n): 8
• Complete list of divisors:
  1 593 3079 1825847 899548583 533432309719 2769710087057 1642438081624801
• Sum of all divisors σ(n): 1645742125399680
• Sum of proper divisors (its aliquot sum) s(n): 3304043774879
• 1642438081624801 is a deficient number, because the sum of its proper divisors (3304043774879) is less than itself. Its deficiency is 1639134037849922

Bases of 1642438081624801

• Binary: 101110101011100100111101010011010111011101011100001₂
• Hexadecimal: 0x5D5C9EA6BBAE1
• Base-36: G671MZAZ1D

Squares and roots of 1642438081624801

• 1642438081624801 squared (1642438081624801²) is 2697602851971356472284138289601
• 1642438081624801 cubed (1642438081624801³) is 4430645653177426750819845274350490583161994401
• The square root of 1642438081624801 is 40527004.3504920431
• The cube root of 1642438081624801 is 117985.7801888299

Scales and comparisons

• 1,642,438,081,624,801 seconds is equal to 52,224,450 years, 31 weeks, 1 day, 19 hours, 20 minutes, 1 second.
• To count from 1 to 1,642,438,081,624,801 would take you about one hundred fifty-six million, six hundred seventy-three thousand, three hundred fifty-one 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 1642438081624801 cubic inches would be around 9832.1 feet tall.

Recreational maths with 1642438081624801

• 1642438081624801 backwards is 1084261808342461
• The number of decimal digits it has is: 16
• The sum of 1642438081624801's digits is 58
• More coming soon!