168291938818866122

Names of 168291938818866122

• Cardinal: 168291938818866122 can be written as One hundred sixty-eight quadrillion, two hundred ninety-one trillion, nine hundred thirty-eight billion, eight hundred eighteen million, eight hundred sixty-six thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 1.68291938818866122 × 10¹⁷

Factors of 168291938818866122

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 45969071438

Divisors of 168291938818866122

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 13 26 139 278 1013 1807 2026 3614 13169 26338 140807 281614 1830491 3660982 45969070271 91938140542 597597913523 1195195827046 6389700767669 12779401535338 46566668184523 83066109979697 93133336369046 166132219959394 605366686398799 1210733372797598 6472766877648697 12945533755297394 84145969409433061 168291938818866122
• Sum of all divisors σ(n): 274082307064151040
• Sum of proper divisors (its aliquot sum) s(n): 105790368245284918
• 168291938818866122 is a deficient number, because the sum of its proper divisors (105790368245284918) is less than itself. Its deficiency is 62501570573581204

Bases of 168291938818866122

• Binary: 1001010101111001001010000001101111110111000011101111001010₂
• Hexadecimal: 0x255E4A06FDC3BCA
• Base-36: 1A12IHDVNNWQ

Squares and roots of 168291938818866122

• 168291938818866122 squared (168291938818866122²) is 28322176671412977938390597759318884
• 168291938818866122 cubed (168291938818866122³) is 4766394023602550233121811802775696256792535902447848
• The square root of 168291938818866122 is 410234004.9518885531
• The cube root of 168291938818866122 is 552104.2682012007

Scales and comparisons

• 168,291,938,818,866,122 seconds is equal to 5,351,163,093 years, 15 weeks, 2 days, 2 hours, 22 minutes, 2 seconds.
• To count from 1 to 168,291,938,818,866,122 would take you about sixteen billion, fifty-three million, four hundred eighty-nine thousand, two hundred seventy-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 168291938818866122 cubic inches would be around 46008.7 feet tall.

Recreational maths with 168291938818866122

• 168291938818866122 backwards is 221668818839192861
• The number of decimal digits it has is: 18
• The sum of 168291938818866122's digits is 89
• More coming soon!