428383918370541421

Names of 428383918370541421

• Cardinal: 428383918370541421 can be written as Four hundred twenty-eight quadrillion, three hundred eighty-three trillion, nine hundred eighteen billion, three hundred seventy million, five hundred forty-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 4.28383918370541421 × 10¹⁷

Factors of 428383918370541421

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 1270149

Divisors of 428383918370541421

• Number of divisors d(n): 32
• Complete list of divisors:
  1 59 89 5251 7103 9161 419077 540499 632167 815329 1253737 37297853 48104411 65070583 73970483 111582593 3839164397 5791281887 6583372987 8905293911 11485484657 341685631333 525412340749 677643594763 792571158079 1022208134473 46761698326661 60310279933907 81581397518671 4813302453601589 7260744379161719 428383918370541421
• Sum of all divisors σ(n): 440650015044249600
• Sum of proper divisors (its aliquot sum) s(n): 12266096673708179
• 428383918370541421 is a deficient number, because the sum of its proper divisors (12266096673708179) is less than itself. Its deficiency is 416117821696833242

Bases of 428383918370541421

• Binary: 10111110001111011001110011101110001111101110100111101101101₂
• Hexadecimal: 0x5F1ECE771F74F6D
• Base-36: 3961FBACTDV1

Squares and roots of 428383918370541421

• 428383918370541421 squared (428383918370541421²) is 183512781518498695555835900676699241
• 428383918370541421 cubed (428383918370541421³) is 78613924417971547515625215334849091646765236349761461
• The square root of 428383918370541421 is 654510441.7582208603
• The cube root of 428383918370541421 is 753837.4684387029

Scales and comparisons

• 428,383,918,370,541,421 seconds is equal to 13,621,283,525 years, 37 weeks, 3 days, 17 hours, 57 minutes, 1 second.
• To count from 1 to 428,383,918,370,541,421 would take you about forty billion, eight hundred sixty-three million, eight hundred fifty thousand, five hundred seventy-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 428383918370541421 cubic inches would be around 62819.8 feet tall.

Recreational maths with 428383918370541421

• 428383918370541421 backwards is 124145073819383824
• The number of decimal digits it has is: 18
• The sum of 428383918370541421's digits is 73
• More coming soon!