165047040821

Names of 165047040821

• Cardinal: 165047040821 can be written as One hundred sixty-five billion, forty-seven million, forty thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 1.65047040821 × 10¹¹

Factors of 165047040821

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1234

Divisors of 165047040821

• Number of divisors d(n): 96
• Complete list of divisors:
  1 13 19 31 37 41 169 247 403 481 533 589 703 779 1093 1147 1271 1517 3211 5239 6253 6929 7657 9139 10127 14209 14911 16523 19721 20767 21793 24149 28823 33883 40441 44813 47027 99541 118807 131651 184717 193843 214799 256373 269971 283309 313937 374699 440479 525733 582569 611351 643777 768379 851447 893513 1253671 1389203 1658081 3509623 3683017 4081181 4871087 5726227 6834529 7573397 7947563 8369101 9988927 11068811 11615669 16297723 18059639 21555053 23819749 26394857 31503539 51400511 108798313 129856051 143894543 151003697 211870399 234775307 280215689 309656737 343133141 409546007 668206643 976609709 4025537581 4460730833 5324098091 8686686359 12695926217 165047040821
• Sum of all divisors σ(n): 204494330880
• Sum of proper divisors (its aliquot sum) s(n): 39447290059
• 165047040821 is a deficient number, because the sum of its proper divisors (39447290059) is less than itself. Its deficiency is 125599750762

Bases of 165047040821

• Binary: 10011001101101100100011111101100110101₂
• Hexadecimal: 0x266D91FB35
• Base-36: 23TKQVQT

Squares and roots of 165047040821

• 165047040821 squared (165047040821²) is 27240525683768840354041
• 165047040821 cubed (165047040821³) is 4495968154514494731041237019307661
• The square root of 165047040821 is 406259.8193533297
• The cube root of 165047040821 is 5485.3277348325

Scales and comparisons

• 165,047,040,821 seconds is equal to 5,247 years, 51 weeks, 1 day, 16 hours, 13 minutes, 41 seconds.
• To count from 1 to 165,047,040,821 would take you about ten thousand, four hundred ninety-five 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 165047040821 cubic inches would be around 457.1 feet tall.

Recreational maths with 165047040821

• 165047040821 backwards is 128040740561
• The number of decimal digits it has is: 12
• The sum of 165047040821's digits is 38
• More coming soon!