1157089990

Names of 1157089990

• Cardinal: 1157089990 can be written as One billion, one hundred fifty-seven million, eighty-nine thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.15708999 × 10⁹

Factors of 1157089990

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 16529871

Divisors of 1157089990

• Number of divisors d(n): 16
• Complete list of divisors:
  1 2 5 7 10 14 35 70 16529857 33059714 82649285 115708999 165298570 231417998 578544995 1157089990
• Sum of all divisors σ(n): 2380299552
• Sum of proper divisors (its aliquot sum) s(n): 1223209562
• 1157089990 is an abundant number, because the sum of its proper divisors (1223209562) is greater than itself. Its abundance is 66119572

Bases of 1157089990

• Binary: 1000100111101111100101011000110₂
• Hexadecimal: 0x44F7CAC6
• Base-36: J4WGCM

Squares and roots of 1157089990

• 1157089990 squared (1157089990²) is 1338857244958200100
• 1157089990 cubed (1157089990³) is 1549178316180111304126999000
• The square root of 1157089990 is 34016.0254879961
• The cube root of 1157089990 is 1049.8382184607

Scales and comparisons

• 1,157,089,990 seconds is equal to 36 years, 41 weeks, 1 day, 5 hours, 53 minutes, 10 seconds.
• To count from 1 to 1,157,089,990 would take you about seventy-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 1157089990 cubic inches would be around 87.5 feet tall.

Recreational maths with 1157089990

• 1157089990 backwards is 0999807511
• The number of decimal digits it has is: 10
• The sum of 1157089990's digits is 49
• More coming soon!