1128790018

Names of 1128790018

• Cardinal: 1128790018 can be written as One billion, one hundred twenty-eight million, seven hundred ninety thousand and eighteen.

Scientific notation

• Scientific notation: 1.128790018 × 10⁹

Factors of 1128790018

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 564395011

Divisors of 1128790018

• Number of divisors d(n): 4
• Complete list of divisors:
  1 2 564395009 1128790018
• Sum of all divisors σ(n): 1693185030
• Sum of proper divisors (its aliquot sum) s(n): 564395012
• 1128790018 is a deficient number, because the sum of its proper divisors (564395012) is less than itself. Its deficiency is 564395006

Bases of 1128790018

• Binary: 1000011010001111111100000000010₂
• Hexadecimal: 0x4347F802
• Base-36: IO1VYA

Squares and roots of 1128790018

• 1128790018 squared (1128790018²) is 1274166904736440324
• 1128790018 cubed (1128790018³) is 1438266883332450758583885832
• The square root of 1128790018 is 33597.4704107319
• The cube root of 1128790018 is 1041.2085365157

Scales and comparisons

• 1,128,790,018 seconds is equal to 35 years, 46 weeks, 2 days, 16 hours, 46 minutes, 58 seconds.
• To count from 1 to 1,128,790,018 would take you about seventy-one 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 1128790018 cubic inches would be around 86.8 feet tall.

Recreational maths with 1128790018

• 1128790018 backwards is 8100978211
• The number of decimal digits it has is: 10
• The sum of 1128790018's digits is 37
• More coming soon!