1121081555

Names of 1121081555

• Cardinal: 1121081555 can be written as One billion, one hundred twenty-one million, eighty-one thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 1.121081555 × 10⁹

Factors of 1121081555

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 9418

Divisors of 1121081555

• Number of divisors d(n): 16
• Complete list of divisors:
  1 5 11 55 3391 6011 16955 30055 37301 66121 186505 330605 20383301 101916505 224216311 1121081555
• Sum of all divisors σ(n): 1468274688
• Sum of proper divisors (its aliquot sum) s(n): 347193133
• 1121081555 is a deficient number, because the sum of its proper divisors (347193133) is less than itself. Its deficiency is 773888422

Bases of 1121081555

• Binary: 1000010110100100101100011010011₂
• Hexadecimal: 0x42D258D3
• Base-36: IJGO2B

Squares and roots of 1121081555

• 1121081555 squared (1121081555²) is 1256823852961218025
• 1121081555 cubed (1121081555³) is 1409002039438853658161028875
• The square root of 1121081555 is 33482.5559806895
• The cube root of 1121081555 is 1038.8329966319

Scales and comparisons

• 1,121,081,555 seconds is equal to 35 years, 33 weeks, 4 days, 11 hours, 32 minutes, 35 seconds.
• To count from 1 to 1,121,081,555 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 1121081555 cubic inches would be around 86.6 feet tall.

Recreational maths with 1121081555

• 1121081555 backwards is 5551801211
• The number of decimal digits it has is: 10
• The sum of 1121081555's digits is 29
• More coming soon!