389108699543800838421

Names of 389108699543800838421

• Cardinal: 389108699543800838421 can be written as Three hundred eighty-nine quintillion, one hundred eight quadrillion, six hundred ninety-nine trillion, five hundred forty-three billion, eight hundred million, eight hundred thirty-eight thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.89108699543800838421 × 10²⁰

Factors of 389108699543800838421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 254141512417878

Divisors of 389108699543800838421

• Number of divisors d(n): 24
• Complete list of divisors:
  1 3 9 17 51 153 10007 30021 90063 170119 510357 1531071 254141512407851 762424537223553 2287273611670659 4320405710933467 12961217132800401 38883651398401203 2543194114665364957 7629582343996094871 22888747031988284613 43234299949311204269 129702899847933612807 389108699543800838421
• Sum of all divisors σ(n): 595166891945601178944
• Sum of proper divisors (its aliquot sum) s(n): 206058192401800340523
• 389108699543800838421 is a deficient number, because the sum of its proper divisors (206058192401800340523) is less than itself. Its deficiency is 183050507142000497898

Bases of 389108699543800838421

• Binary: 101010001011111110111110011001010011000011010011100101111100100010101₂
• Hexadecimal: 0x1517F7CCA61A72F915
• Base-36: 2A49K2966QH2J9

Squares and roots of 389108699543800838421

• 389108699543800838421 squared (389108699543800838421²) is 151405580060667874801928400425382549773241
• 389108699543800838421 cubed (389108699543800838421³) is 58913228361081299213882272943180573978502994139810219230492461
• The square root of 389108699543800838421 is 19725838373.6611012115
• The cube root of 389108699543800838421 is 7300573.5431260997

Scales and comparisons

• 389,108,699,543,800,838,421 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 389,108,699,543,800,838,421 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 389108699543800838421 cubic inches would be around 608381.1 feet tall.

Recreational maths with 389108699543800838421

• 389108699543800838421 backwards is 124838008345996801983
• The number of decimal digits it has is: 21
• The sum of 389108699543800838421's digits is 99
• More coming soon!