1249700018

Names of 1249700018

• Cardinal: 1249700018 can be written as One billion, two hundred forty-nine million, seven hundred thousand and eighteen.

Scientific notation

• Scientific notation: 1.249700018 × 10⁹

Factors of 1249700018

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 3580

Divisors of 1249700018

• Number of divisors d(n): 18
• Complete list of divisors:
  1 2 7 14 49 98 3571 7142 24997 49994 174979 349958 12752041 25504082 89264287 178528574 624850009 1249700018
• Sum of all divisors σ(n): 2181209823
• Sum of proper divisors (its aliquot sum) s(n): 931509805
• 1249700018 is a deficient number, because the sum of its proper divisors (931509805) is less than itself. Its deficiency is 318190213

Bases of 1249700018

• Binary: 1001010011111001110100010110010₂
• Hexadecimal: 0x4A7CE8B2
• Base-36: KO1EPE

Squares and roots of 1249700018

• 1249700018 squared (1249700018²) is 1561750134989200324
• 1249700018 cubed (1249700018³) is 1951719171807506074708405832
• The square root of 1249700018 is 35351.0964186403
• The cube root of 1249700018 is 1077.1311659047

Scales and comparisons

• 1,249,700,018 seconds is equal to 39 years, 38 weeks, 2 days, 2 hours, 53 minutes, 38 seconds.
• To count from 1 to 1,249,700,018 would take you about seventy-nine 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 1249700018 cubic inches would be around 89.8 feet tall.

Recreational maths with 1249700018

• 1249700018 backwards is 8100079421
• The number of decimal digits it has is: 10
• The sum of 1249700018's digits is 32
• More coming soon!