1355128811

Names of 1355128811

• Cardinal: 1355128811 can be written as One billion, three hundred fifty-five million, one hundred twenty-eight thousand, eight hundred eleven.

Scientific notation

• Scientific notation: 1.355128811 × 10⁹

Factors of 1355128811

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 4418

Divisors of 1355128811

• Number of divisors d(n): 16
• Complete list of divisors:
  1 19 37 499 703 3863 9481 18463 73397 142931 350797 1927637 2715689 36625103 71322569 1355128811
• Sum of all divisors σ(n): 1468320000
• Sum of proper divisors (its aliquot sum) s(n): 113191189
• 1355128811 is a deficient number, because the sum of its proper divisors (113191189) is less than itself. Its deficiency is 1241937622

Bases of 1355128811

• Binary: 1010000110001011001111111101011₂
• Hexadecimal: 0x50C59FEB
• Base-36: MET42Z

Squares and roots of 1355128811

• 1355128811 squared (1355128811²) is 1836374094402273721
• 1355128811 cubed (1355128811³) is 2488523443098554943235275731
• The square root of 1355128811 is 36812.0742556025
• The cube root of 1355128811 is 1106.6072884001

Scales and comparisons

• 1,355,128,811 seconds is equal to 43 years, 4 weeks, 4 days, 8 hours, 40 minutes, 11 seconds.
• To count from 1 to 1,355,128,811 would take you about eighty-six 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 1355128811 cubic inches would be around 92.2 feet tall.

Recreational maths with 1355128811

• 1355128811 backwards is 1188215531
• The number of decimal digits it has is: 10
• The sum of 1355128811's digits is 35
• More coming soon!