428638637025

Names of 428638637025

• Cardinal: 428638637025 can be written as Four hundred twenty-eight billion, six hundred thirty-eight million, six hundred thirty-seven thousand and twenty-five.

Scientific notation

• Scientific notation: 4.28638637025 × 10¹¹

Factors of 428638637025

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 14557

Divisors of 428638637025

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 135 225 405 675 2025 14549 43647 72745 130941 218235 363725 392823 654705 1091175 1178469 1964115 3273525 5892345 9820575 29461725 211673401 635020203 1058367005 1905060609 3175101015 5291835025 5715181827 9525303045 15875505075 17145545481 28575909135 47626515225 85727727405 142879545675 428638637025
• Sum of all divisors σ(n): 794041504201
• Sum of proper divisors (its aliquot sum) s(n): 365402867176
• 428638637025 is a deficient number, because the sum of its proper divisors (365402867176) is less than itself. Its deficiency is 63235769849

Bases of 428638637025

• Binary: 110001111001100110110101000101111100001₂
• Hexadecimal: 0x63CCDA8BE1
• Base-36: 5GWWDL29

Squares and roots of 428638637025

• 428638637025 squared (428638637025²) is 183731081150649700850625
• 428638637025 cubed (428638637025³) is 78754240203544156465835883119390625
• 428638637025 is a perfect square number. Its square root is 654705
• The cube root of 428638637025 is 7539.8685034597

Scales and comparisons

• 428,638,637,025 seconds is equal to 13,629 years, 19 weeks, 6 days, 8 hours, 3 minutes, 45 seconds.
• To count from 1 to 428,638,637,025 would take you about twenty-seven thousand, two hundred fifty-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 428638637025 cubic inches would be around 628.3 feet tall.

Recreational maths with 428638637025

• 428638637025 backwards is 520736836824
• The number of decimal digits it has is: 12
• The sum of 428638637025's digits is 54
• More coming soon!