1428508457

Names of 1428508457

• Cardinal: 1428508457 can be written as One billion, four hundred twenty-eight million, five hundred eight thousand, four hundred fifty-seven.

Scientific notation

• Scientific notation: 1.428508457 × 10⁹

Factors of 1428508457

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 19568682

Divisors of 1428508457

• Number of divisors d(n): 4
• Complete list of divisors:
  1 73 19568609 1428508457
• Sum of all divisors σ(n): 1448077140
• Sum of proper divisors (its aliquot sum) s(n): 19568683
• 1428508457 is a deficient number, because the sum of its proper divisors (19568683) is less than itself. Its deficiency is 1408939774

Bases of 1428508457

• Binary: 1010101001001010100111100101001₂
• Hexadecimal: 0x55254F29
• Base-36: NMHW6H

Squares and roots of 1428508457

• 1428508457 squared (1428508457²) is 2040636411720520849
• 1428508457 cubed (1428508457³) is 2915066371804897953241319993
• The square root of 1428508457 is 37795.6142561541
• The cube root of 1428508457 is 1126.2313318273

Scales and comparisons

• 1,428,508,457 seconds is equal to 45 years, 21 weeks, 6 days, 15 hours, 54 minutes, 17 seconds.
• To count from 1 to 1,428,508,457 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 1428508457 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428508457

• 1428508457 backwards is 7548058241
• The number of decimal digits it has is: 10
• The sum of 1428508457's digits is 44
• More coming soon!