1427661179148648021

Names of 1427661179148648021

• Cardinal: 1427661179148648021 can be written as One quintillion, four hundred twenty-seven quadrillion, six hundred sixty-one trillion, one hundred seventy-nine billion, one hundred forty-eight million, six hundred forty-eight thousand and twenty-one.

Scientific notation

• Scientific notation: 1.427661179148648021 × 10¹⁸

Factors of 1427661179148648021

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 18084969976

Divisors of 1427661179148648021

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 19 57 1385051 4155153 26315969 78947907 18083584903 54250754709 343588113157 1030764339471 25046687353485053 75140062060455159 475887059716216007 1427661179148648021
• Sum of all divisors σ(n): 2003736435076400640
• Sum of proper divisors (its aliquot sum) s(n): 576075255927752619
• 1427661179148648021 is a deficient number, because the sum of its proper divisors (576075255927752619) is less than itself. Its deficiency is 851585923220895402

Bases of 1427661179148648021

• Binary: 1001111010000000100100100011101000010110001010011111001010101₂
• Hexadecimal: 0x13D0124742C53E55
• Base-36: AUHBNFGXSV9X

Squares and roots of 1427661179148648021

• 1427661179148648021 squared (1427661179148648021²) is 2038216442448108058855849752147216441
• 1427661179148648021 cubed (1427661179148648021³) is 2909882489585628438165115506340426395656268163613313261
• The square root of 1427661179148648021 is 1194847764.0053765531
• The cube root of 1427661179148648021 is 1126008.6241076697

Scales and comparisons

• 1,427,661,179,148,648,021 seconds is equal to 45,395,209,450 years, 49 weeks, 3 days, 9 hours, 20 minutes, 21 seconds.
• To count from 1 to 1,427,661,179,148,648,021 would take you about one hundred fifty-eight billion, eight hundred eighty-three million, two hundred thirty-three thousand and seventy-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 1427661179148648021 cubic inches would be around 93834.1 feet tall.

Recreational maths with 1427661179148648021

• 1427661179148648021 backwards is 1208468419711667241
• The number of decimal digits it has is: 19
• The sum of 1427661179148648021's digits is 78
• More coming soon!