38421105247221985

Names of 38421105247221985

• Cardinal: 38421105247221985 can be written as Thirty-eight quadrillion, four hundred twenty-one trillion, one hundred five billion, two hundred forty-seven million, two hundred twenty-one thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 3.8421105247221985 × 10¹⁶

Factors of 38421105247221985

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 238210825

Divisors of 38421105247221985

• Number of divisors d(n): 32
• Complete list of divisors:
  1 5 19 79 95 395 1501 7505 21493 107465 408367 1697947 2041835 8489735 32260993 161304965 238189229 1190946145 4525595351 18816949091 22627976755 94084745455 357522032729 1787610163645 5119401098897 25597005494485 97268620879043 404432686812863 486343104395215 2022163434064315 7684221049444397 38421105247221985
• Sum of all divisors σ(n): 49148537372352000
• Sum of proper divisors (its aliquot sum) s(n): 10727432125130015
• 38421105247221985 is a deficient number, because the sum of its proper divisors (10727432125130015) is less than itself. Its deficiency is 27693673122091970

Bases of 38421105247221985

• Binary: 10001000011111111100101010101010001000110111100011100001₂
• Hexadecimal: 0x887FCAAA2378E1
• Base-36: AIB5830NLK1

Squares and roots of 38421105247221985

• 38421105247221985 squared (38421105247221985²) is 1476181328418108749105559867340225
• 38421105247221985 cubed (38421105247221985³) is 56716518183136118382265126646608340388812094846625
• The square root of 38421105247221985 is 196013023.1571922493
• The cube root of 38421105247221985 is 337434.8633245235

Scales and comparisons

• 38,421,105,247,221,985 seconds is equal to 1,221,672,302 years, 30 weeks, 1 day, 3 hours, 26 minutes, 25 seconds.
• To count from 1 to 38,421,105,247,221,985 would take you about three billion, six hundred sixty-five million, sixteen thousand, nine hundred seven 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 38421105247221985 cubic inches would be around 28119.6 feet tall.

Recreational maths with 38421105247221985

• 38421105247221985 backwards is 58912274250112483
• The number of decimal digits it has is: 17
• The sum of 38421105247221985's digits is 64
• More coming soon!