1428007393

Names of 1428007393

• Cardinal: 1428007393 can be written as One billion, four hundred twenty-eight million, seven thousand, three hundred ninety-three.

Scientific notation

• Scientific notation: 1.428007393 × 10⁹

Factors of 1428007393

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 5556706

Divisors of 1428007393

• Number of divisors d(n): 4
• Complete list of divisors:
  1 257 5556449 1428007393
• Sum of all divisors σ(n): 1433564100
• Sum of proper divisors (its aliquot sum) s(n): 5556707
• 1428007393 is a deficient number, because the sum of its proper divisors (5556707) is less than itself. Its deficiency is 1422450686

Bases of 1428007393

• Binary: 1010101000111011010100111100001₂
• Hexadecimal: 0x551DA9E1
• Base-36: NM75K1

Squares and roots of 1428007393

• 1428007393 squared (1428007393²) is 2039205114462656449
• 1428007393 cubed (1428007393³) is 2911999979296084631591127457
• The square root of 1428007393 is 37788.9850750187
• The cube root of 1428007393 is 1126.0996373629

Scales and comparisons

• 1,428,007,393 seconds is equal to 45 years, 21 weeks, 20 hours, 43 minutes, 13 seconds.
• To count from 1 to 1,428,007,393 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 1428007393 cubic inches would be around 93.8 feet tall.

Recreational maths with 1428007393

• 1428007393 backwards is 3937008241
• The number of decimal digits it has is: 10
• The sum of 1428007393's digits is 37
• More coming soon!