1425982813

Names of 1425982813

• Cardinal: 1425982813 can be written as One billion, four hundred twenty-five million, nine hundred eighty-two thousand, eight hundred thirteen.

Scientific notation

• Scientific notation: 1.425982813 × 10⁹

Factors of 1425982813

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 1745451

Divisors of 1425982813

• Number of divisors d(n): 8
• Complete list of divisors:
  1 19 43 817 1745389 33162391 75051727 1425982813
• Sum of all divisors σ(n): 1535943200
• Sum of proper divisors (its aliquot sum) s(n): 109960387
• 1425982813 is a deficient number, because the sum of its proper divisors (109960387) is less than itself. Its deficiency is 1316022426

Bases of 1425982813

• Binary: 1010100111111101100010101011101₂
• Hexadecimal: 0x54FEC55D
• Base-36: NKZRDP

Squares and roots of 1425982813

• 1425982813 squared (1425982813²) is 2033426982971392969
• 1425982813 cubed (1425982813³) is 2899631929207650044463041797
• The square root of 1425982813 is 37762.1876087707
• The cube root of 1425982813 is 1125.5672038219

Scales and comparisons

• 1,425,982,813 seconds is equal to 45 years, 17 weeks, 5 days, 10 hours, 20 minutes, 13 seconds.
• To count from 1 to 1,425,982,813 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 1425982813 cubic inches would be around 93.8 feet tall.

Recreational maths with 1425982813

• 1425982813 backwards is 3182895241
• 1425982813 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1425982813's digits is 43
• More coming soon!