168140666382381

Names of 168140666382381

• Cardinal: 168140666382381 can be written as One hundred sixty-eight trillion, one hundred forty billion, six hundred sixty-six million, three hundred eighty-two thousand, three hundred eighty-one.

Scientific notation

• Scientific notation: 1.68140666382381 × 10¹⁴

Factors of 168140666382381

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1015053

Divisors of 168140666382381

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 11 21 33 49 63 77 99 147 231 441 539 693 1617 4851 35381 106143 247667 318429 389191 743001 979651 1167573 1733669 2229003 2724337 2938953 3502719 5201007 6857557 8173011 8816859 10776161 15603021 19070359 20572671 24519033 32328483 48002899 57211077 61718013 75433127 96985449 144008697 171633231 226299381 432026091 528031889 678898143 1584095667 4752287001 34661032031 103983096093 242627224217 311949288279 381271352341 727881672651 1143814057023 1698390569519 2183645017953 2668899466387 3431442171069 5095171708557 8006698399161 15285515125671 18682296264709 24020095197483 56046888794127 168140666382381
• Sum of all divisors σ(n): 308214922493088
• Sum of proper divisors (its aliquot sum) s(n): 140074256110707
• 168140666382381 is a deficient number, because the sum of its proper divisors (140074256110707) is less than itself. Its deficiency is 28066410271674

Bases of 168140666382381

• Binary: 100110001110110001001100101100010010100000101101₂
• Hexadecimal: 0x98EC4CB1282D
• Base-36: 1NLMR7I0X9

Squares and roots of 168140666382381

• 168140666382381 squared (168140666382381²) is 28271283691511148157707229161
• 168140666382381 cubed (168140666382381³) is 4753552479376024726905290887837409219812341
• The square root of 168140666382381 is 12966906.5849330849
• The cube root of 168140666382381 is 55193.8795442175

Scales and comparisons

• 168,140,666,382,381 seconds is equal to 5,346,353 years, 5 weeks, 13 hours, 46 minutes, 21 seconds.
• To count from 1 to 168,140,666,382,381 would take you about thirteen million, three hundred sixty-five thousand, eight hundred eighty-two 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 168140666382381 cubic inches would be around 4599.5 feet tall.

Recreational maths with 168140666382381

• 168140666382381 backwards is 183283666041861
• 168140666382381 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 168140666382381's digits is 63
• More coming soon!