428929553787

Names of 428929553787

• Cardinal: 428929553787 can be written as Four hundred twenty-eight billion, nine hundred twenty-nine million, five hundred fifty-three thousand, seven hundred eighty-seven.

Scientific notation

• Scientific notation: 4.28929553787 × 10¹¹

Factors of 428929553787

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 26969

Divisors of 428929553787

• Number of divisors d(n): 48
• Complete list of divisors:
  1 3 7 19 21 49 57 133 147 399 931 2793 8191 18749 24573 56247 57337 131243 155629 172011 356231 393729 401359 466887 918701 1068693 1089403 1204077 2493617 2756103 3268209 7480851 7625821 17455319 22877463 52365957 153573059 460719177 1075011413 2917888121 3225034239 7525079891 8753664363 20425216847 22575239673 61275650541 142976517929 428929553787
• Sum of all divisors σ(n): 700416000000
• Sum of proper divisors (its aliquot sum) s(n): 271486446213
• 428929553787 is a deficient number, because the sum of its proper divisors (271486446213) is less than itself. Its deficiency is 157443107574

Bases of 428929553787

• Binary: 110001111011110001100011001010101111011₂
• Hexadecimal: 0x63DE31957B
• Base-36: 5H1PKXVF

Squares and roots of 428929553787

• 428929553787 squared (428929553787²) is 183980562111914926041369
• 428929553787 cubed (428929553787³) is 78914700412145107583029511472614403
• The square root of 428929553787 is 654927.1362426511
• The cube root of 428929553787 is 7541.5738856411

Scales and comparisons

• 428,929,553,787 seconds is equal to 13,638 years, 32 weeks, 6 days, 10 hours, 16 minutes, 27 seconds.
• To count from 1 to 428,929,553,787 would take you about twenty-seven thousand, two 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 428929553787 cubic inches would be around 628.5 feet tall.

Recreational maths with 428929553787

• 428929553787 backwards is 787355929824
• The number of decimal digits it has is: 12
• The sum of 428929553787's digits is 69
• More coming soon!