1002020491

Names of 1002020491

• Cardinal: 1002020491 can be written as One billion, two million, twenty thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 1.002020491 × 10⁹

Factors of 1002020491

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 23741

Divisors of 1002020491

• Number of divisors d(n): 8
• Complete list of divisors:
  1 53 827 22861 43831 1211633 18906047 1002020491
• Sum of all divisors σ(n): 1022205744
• Sum of proper divisors (its aliquot sum) s(n): 20185253
• 1002020491 is a deficient number, because the sum of its proper divisors (20185253) is less than itself. Its deficiency is 981835238

Bases of 1002020491

• Binary: 111011101110011001111010001011₂
• Hexadecimal: 0x3BB99E8B
• Base-36: GKKRYJ

Squares and roots of 1002020491

• 1002020491 squared (1002020491²) is 1004045064383881081
• 1002020491 cubed (1002020491³) is 1006073728400063133269230771
• The square root of 1002020491 is 31654.7072486859
• The cube root of 1002020491 is 1000.6730439103

Scales and comparisons

• 1,002,020,491 seconds is equal to 31 years, 44 weeks, 5 days, 11 hours, 1 minute, 31 seconds.
• To count from 1 to 1,002,020,491 would take you about sixty-three 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 1002020491 cubic inches would be around 83.4 feet tall.

Recreational maths with 1002020491

• 1002020491 backwards is 1940202001
• The number of decimal digits it has is: 10
• The sum of 1002020491's digits is 19
• More coming soon!