1428475838

Names of 1428475838

• Cardinal: 1428475838 can be written as One billion, four hundred twenty-eight million, four hundred seventy-five thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.428475838 × 10⁹

Factors of 1428475838

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 10059762

Divisors of 1428475838

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 71 142 10059689 20119378 714237919 1428475838
• Sum of all divisors σ(n): 2172893040
• Sum of proper divisors (its aliquot sum) s(n): 744417202
• 1428475838 is a deficient number, because the sum of its proper divisors (744417202) is less than itself. Its deficiency is 684058636

Bases of 1428475838

• Binary: 1010101001001001100111110111110₂
• Hexadecimal: 0x5524CFBE
• Base-36: NMH70E

Squares and roots of 1428475838

• 1428475838 squared (1428475838²) is 2040543219749802244
• 1428475838 cubed (1428475838³) is 2914866685807316910832180472
• The square root of 1428475838 is 37795.1827353699
• The cube root of 1428475838 is 1126.2227595249

Scales and comparisons

• 1,428,475,838 seconds is equal to 45 years, 21 weeks, 6 days, 6 hours, 50 minutes, 38 seconds.
• To count from 1 to 1,428,475,838 would take you about ninety 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 1428475838 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428475838

• 1428475838 backwards is 8385748241
• The number of decimal digits it has is: 10
• The sum of 1428475838's digits is 50
• More coming soon!