142762309921

Names of 142762309921

• Cardinal: 142762309921 can be written as One hundred forty-two billion, seven hundred sixty-two million, three hundred nine thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.42762309921 × 10¹¹

Factors of 142762309921

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 719

Divisors of 142762309921

• Number of divisors d(n): 45
• Complete list of divisors:
  1 7 11 49 77 121 343 539 701 847 2401 3773 4907 5929 7711 26411 34349 41503 53977 84821 240443 290521 377839 491401 593747 1683101 2644873 3439807 4156229 5405411 18514111 24078649 29093603 37837877 59459521 168550543 203655221 264865139 416216647 1179853801 1854055973 2913516529 12978391811 20394615703 142762309921
• Sum of all divisors σ(n): 183324606899
• Sum of proper divisors (its aliquot sum) s(n): 40562296978
• 142762309921 is a deficient number, because the sum of its proper divisors (40562296978) is less than itself. Its deficiency is 102200012943

Bases of 142762309921

• Binary: 10000100111101010010111111100100100001₂
• Hexadecimal: 0x213D4BF921
• Base-36: 1TL0ZRC1

Squares and roots of 142762309921

• 142762309921 squared (142762309921²) is 20381077133979655026241
• 142762309921 cubed (142762309921³) is 2909649650325009950964883029636961
• 142762309921 is a perfect square number. Its square root is 377839
• The cube root of 142762309921 is 5226.4225873433

Scales and comparisons

• 142,762,309,921 seconds is equal to 4,539 years, 20 weeks, 5 days, 13 hours, 12 minutes, 1 second.
• To count from 1 to 142,762,309,921 would take you about nine thousand and seventy-eight 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 142762309921 cubic inches would be around 435.5 feet tall.

Recreational maths with 142762309921

• 142762309921 backwards is 129903267241
• The number of decimal digits it has is: 12
• The sum of 142762309921's digits is 46
• More coming soon!