1155185142

Names of 1155185142

• Cardinal: 1155185142 can be written as One billion, one hundred fifty-five million, one hundred eighty-five thousand, one hundred forty-two.

Scientific notation

• Scientific notation: 1.155185142 × 10⁹

Factors of 1155185142

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 1317

Divisors of 1155185142

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 19 38 57 73 114 127 146 219 254 381 438 762 1093 1387 2186 2413 2774 3279 4161 4826 6558 7239 8322 9271 14478 18542 20767 27813 41534 55626 62301 79789 124602 138811 159578 176149 239367 277622 352298 416433 478734 528447 832866 1056894 1515991 2637409 3031982 4547973 5274818 7912227 9095946 10133203 15824454 20266406 30399609 60799218 192530857 385061714 577592571 1155185142
• Sum of all divisors σ(n): 2486968320
• Sum of proper divisors (its aliquot sum) s(n): 1331783178
• 1155185142 is an abundant number, because the sum of its proper divisors (1331783178) is greater than itself. Its abundance is 176598036

Bases of 1155185142

• Binary: 1000100110110101011100111110110₂
• Hexadecimal: 0x44DAB9F6
• Base-36: J3RMK6

Squares and roots of 1155185142

• 1155185142 squared (1155185142²) is 1334452712297560164
• 1155185142 cubed (1155185142³) is 1541539945947742184303883288
• The square root of 1155185142 is 33988.0146816491
• The cube root of 1155185142 is 1049.2618067649

Scales and comparisons

• 1,155,185,142 seconds is equal to 36 years, 38 weeks, 4 hours, 45 minutes, 42 seconds.
• To count from 1 to 1,155,185,142 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 1155185142 cubic inches would be around 87.4 feet tall.

Recreational maths with 1155185142

• 1155185142 backwards is 2415815511
• The number of decimal digits it has is: 10
• The sum of 1155185142's digits is 33
• More coming soon!