164861231993

Names of 164861231993

• Cardinal: 164861231993 can be written as One hundred sixty-four billion, eight hundred sixty-one million, two hundred thirty-one thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 1.64861231993 × 10¹¹

Factors of 164861231993

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 180

Divisors of 164861231993

• Number of divisors d(n): 54
• Complete list of divisors:
  1 17 19 71 73 323 361 1207 1241 1349 1387 5041 5183 5329 6137 22933 23579 25631 26353 85697 88111 90593 95779 98477 101251 367993 378359 435727 448001 1628243 1674109 1721267 1819801 1871063 1923769 6255881 6432103 6991867 7188821 26863489 30936617 31808071 32704073 118861739 122209957 132845473 136587599 456679313 510406291 2258373041 2321989183 8676906947 9697719529 164861231993
• Sum of all divisors σ(n): 189455946462
• Sum of proper divisors (its aliquot sum) s(n): 24594714469
• 164861231993 is a deficient number, because the sum of its proper divisors (24594714469) is less than itself. Its deficiency is 140266517524

Bases of 164861231993

• Binary: 10011001100010011111101100001101111001₂
• Hexadecimal: 0x26627EC379
• Base-36: 23QI4CQH

Squares and roots of 164861231993

• 164861231993 squared (164861231993²) is 27179225814249766752049
• 164861231993 cubed (164861231993³) is 4480800652353165121755688297103657
• The square root of 164861231993 is 406031.0726939503
• The cube root of 164861231993 is 5483.2685137569

Scales and comparisons

• 164,861,231,993 seconds is equal to 5,242 years, 4 weeks, 2 hours, 39 minutes, 53 seconds.
• To count from 1 to 164,861,231,993 would take you about ten thousand, four hundred eighty-four 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 164861231993 cubic inches would be around 456.9 feet tall.

Recreational maths with 164861231993

• 164861231993 backwards is 399132168461
• The number of decimal digits it has is: 12
• The sum of 164861231993's digits is 53
• More coming soon!