428022861

Names of 428022861

• Cardinal: 428022861 can be written as Four hundred twenty-eight million, twenty-two thousand, eight hundred sixty-one.

Scientific notation

• Scientific notation: 4.28022861 × 10⁸

Factors of 428022861

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 650

Divisors of 428022861

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 19 21 29 57 71 87 133 203 213 399 497 521 551 609 1349 1491 1563 1653 2059 3647 3857 4047 6177 9443 9899 10941 11571 14413 15109 28329 29697 36991 39121 43239 45327 69293 105763 110973 117363 207879 258937 273847 287071 317289 702829 776811 821541 861213 1072739 2009497 2108487 3218217 4919803 6028491 7509173 14759409 20382041 22527519 61146123 142674287 428022861
• Sum of all divisors σ(n): 721612800
• Sum of proper divisors (its aliquot sum) s(n): 293589939
• 428022861 is a deficient number, because the sum of its proper divisors (293589939) is less than itself. Its deficiency is 134432922

Bases of 428022861

• Binary: 11001100000110001110001001101₂
• Hexadecimal: 0x19831C4D
• Base-36: 72U0JX

Squares and roots of 428022861

• 428022861 squared (428022861²) is 183203569538625321
• 428022861 cubed (428022861³) is 78415315979334859901463381
• The square root of 428022861 is 20688.7133722715
• The cube root of 428022861 is 753.6256218017

Scales and comparisons

• 428,022,861 seconds is equal to 13 years, 31 weeks, 4 days, 23 hours, 14 minutes, 21 seconds.
• To count from 1 to 428,022,861 would take you about twenty 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 428022861 cubic inches would be around 62.8 feet tall.

Recreational maths with 428022861

• 428022861 backwards is 168220824
• The number of decimal digits it has is: 9
• The sum of 428022861's digits is 33
• More coming soon!