166948866721

Names of 166948866721

• Cardinal: 166948866721 can be written as One hundred sixty-six billion, nine hundred forty-eight million, eight hundred sixty-six thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.66948866721 × 10¹¹

Factors of 166948866721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5256

Divisors of 166948866721

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 19 37 49 73 91 133 247 259 481 511 637 703 931 949 1387 1729 1813 2701 3367 3577 4921 5107 6643 9139 9709 12103 18031 18907 23569 34447 35113 35749 46501 51319 63973 66391 67963 97033 126217 132349 188959 245791 250243 359233 372811 447811 464737 667147 679231 883519 1261429 1322713 1720537 2456467 2514631 2609677 3253159 3590221 4670029 4754617 4846543 7083409 8830003 9258991 13794007 17195269 18267739 25131547 32690203 33925801 46672873 49583863 61810021 92084317 96558049 120366883 175920829 179322091 237480607 262086133 326710111 347087041 644590219 675906343 1255254637 1834602931 2286970777 3407119729 4512131533 8786782459 12842220517 23849838103 166948866721
• Sum of all divisors σ(n): 229244588160
• Sum of proper divisors (its aliquot sum) s(n): 62295721439
• 166948866721 is a deficient number, because the sum of its proper divisors (62295721439) is less than itself. Its deficiency is 104653145282

Bases of 166948866721

• Binary: 10011011011110111011011000101010100001₂
• Hexadecimal: 0x26DEED8AA1
• Base-36: 24P11M01

Squares and roots of 166948866721

• 166948866721 squared (166948866721²) is 27871924099426221291841
• 166948866721 cubed (166948866721³) is 4653186141732936171024215553723361
• The square root of 166948866721 is 408593.7673545695
• The cube root of 166948866721 is 5506.3163436007

Scales and comparisons

• 166,948,866,721 seconds is equal to 5,308 years, 23 weeks, 5 days, 13 hours, 12 minutes, 1 second.
• To count from 1 to 166,948,866,721 would take you about ten thousand, six hundred sixteen 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 166948866721 cubic inches would be around 458.9 feet tall.

Recreational maths with 166948866721

• 166948866721 backwards is 127668849661
• The number of decimal digits it has is: 12
• The sum of 166948866721's digits is 64
• More coming soon!