142985988224883467689

Names of 142985988224883467689

• Cardinal: 142985988224883467689 can be written as One hundred forty-two quintillion, nine hundred eighty-five quadrillion, nine hundred eighty-eight trillion, two hundred twenty-four billion, eight hundred eighty-three million, four hundred sixty-seven thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.42985988224883467689 × 10²⁰

Factors of 142985988224883467689

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 386

Divisors of 142985988224883467689

• Number of divisors d(n): 27
• Complete list of divisors:
  1 79 307 6241 24253 94249 493039 1915987 7445671 38950081 151362973 588208009 3077056399 11957674867 46468432711 243087455521 944656314493 3671006184169 19203908986159 74627848844947 290009488549351 1517108809906561 5895600058750813 22910749595398729 465752404641314227 1809949218036499591 142985988224883467689
• Sum of all divisors σ(n): 145292402068313337117
• Sum of proper divisors (its aliquot sum) s(n): 2306413843429869428
• 142985988224883467689 is a deficient number, because the sum of its proper divisors (2306413843429869428) is less than itself. Its deficiency is 140679574381453598261

Bases of 142985988224883467689

• Binary: 1111100000001010100010001101011011111100010010111011010010110101001₂
• Hexadecimal: 0x7C05446B7E25DA5A9
• Base-36: U6C9ALP224MND

Squares and roots of 142985988224883467689

• 142985988224883467689 squared (142985988224883467689²) is 20444992828646513675328057503829507000721
• 142985988224883467689 cubed (142985988224883467689³) is 2923347503854677344805058498014009698188585828709440303203769
• 142985988224883467689 is a perfect square number. Its square root is 11957674867
• The cube root of 142985988224883467689 is 5229150.7287941657

Scales and comparisons

• 142,985,988,224,883,467,689 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 142,985,988,224,883,467,689 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 142985988224883467689 cubic inches would be around 435762.6 feet tall.

Recreational maths with 142985988224883467689

• 142985988224883467689 backwards is 986764388422889589241
• The number of decimal digits it has is: 21
• The sum of 142985988224883467689's digits is 121
• More coming soon!