145242940375

Names of 145242940375

• Cardinal: 145242940375 can be written as One hundred forty-five billion, two hundred forty-two million, nine hundred forty thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 1.45242940375 × 10¹¹

Factors of 145242940375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 142171

Divisors of 145242940375

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 13 17 25 37 65 85 125 185 221 325 425 481 629 925 1105 1625 2125 2405 3145 4625 5525 8177 12025 15725 27625 40885 60125 78625 142099 204425 710495 1022125 1847287 2415683 3552475 5257663 9236435 12078415 17762375 26288315 31403879 46182175 60392075 68349619 89380271 131441575 157019395 230910875 301960375 341748095 446901355 657207875 785096975 1161943523 1708740475 2234506775 3925484875 5809717615 8543702375 11172533875 29048588075 145242940375
• Sum of all divisors σ(n): 212276937600
• Sum of proper divisors (its aliquot sum) s(n): 67033997225
• 145242940375 is a deficient number, because the sum of its proper divisors (67033997225) is less than itself. Its deficiency is 78208943150

Bases of 145242940375

• Binary: 10000111010001001001110110001111010111₂
• Hexadecimal: 0x21D12763D7
• Base-36: 1UQ1WA1J

Squares and roots of 145242940375

• 145242940375 squared (145242940375²) is 21095511728775805140625
• 145242940375 cubed (145242940375³) is 3063974152202697437782415365234375
• The square root of 145242940375 is 381107.5181297267
• The cube root of 145242940375 is 5256.5202781785

Scales and comparisons

• 145,242,940,375 seconds is equal to 4,618 years, 14 weeks, 2 days, 13 hours, 12 minutes, 55 seconds.
• To count from 1 to 145,242,940,375 would take you about nine thousand, two hundred thirty-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 145242940375 cubic inches would be around 438 feet tall.

Recreational maths with 145242940375

• 145242940375 backwards is 573049242541
• The number of decimal digits it has is: 12
• The sum of 145242940375's digits is 46
• More coming soon!