13239666321921

Names of 13239666321921

• Cardinal: 13239666321921 can be written as Thirteen trillion, two hundred thirty-nine billion, six hundred sixty-six million, three hundred twenty-one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 1.3239666321921 × 10¹³

Factors of 13239666321921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 192

Divisors of 13239666321921

• Number of divisors d(n): 168
• Complete list of divisors:
  1 3 9 13 19 27 39 57 81 117 157 171 243 247 351 361 471 513 729 741 1053 1083 1413 1539 2041 2223 2983 3159 3249 4239 4617 4693 6123 6669 8949 9477 9747 12717 13851 14079 18369 20007 24649 26847 29241 38151 38779 42237 55107 56677 60021 73947 80541 87723 114453 116337 126711 165321 170031 180063 221841 241623 263169 320437 349011 380133 468331 495963 510093 665523 724869 736801 961311 1047033 1140399 1404993 1487889 1530279 1996569 2174607 2210403 2883933 3141099 3421197 3869893 4214979 4590837 5989707 6088303 6631209 8651799 8898289 9423297 11609679 12644937 13772511 17969121 18264909 19893627 25955397 26694867 28269891 34829037 37934811 41317533 50308609 54794727 59680881 73527967 77866191 80084601 104487111 113804433 115677757 150925827 164384181 179042643 220583901 233598573 240253803 313461333 341413299 347033271 452777481 493152543 537127929 661751703 720761409 940383999 955863571 1041099813 1358332443 1397031373 1479457629 1985255109 2162284227 2821151997 2867590713 3123299439 4074997329 4191094119 4438372887 5955765327 6486852681 8602772139 9369898317 12224991987 12573282357 17867295981 18161407849 25808316417 28109694951 36674975961 37719847071 53601887943 54484223547 77424949251 84329084853 113159541213 163452670641 232274847753 339478623639 490358011923 696824543259 1018435870917 1471074035769 4413222107307 13239666321921
• Sum of all divisors σ(n): 22706342471400
• Sum of proper divisors (its aliquot sum) s(n): 9466676149479
• 13239666321921 is a deficient number, because the sum of its proper divisors (9466676149479) is less than itself. Its deficiency is 3772990172442

Bases of 13239666321921

• Binary: 11000000101010011001100110111010101000000001₂
• Hexadecimal: 0xC0A999BAA01
• Base-36: 4OY7VHN29

Squares and roots of 13239666321921

• 13239666321921 squared (13239666321921²) is 175288764315809140405130241
• 13239666321921 cubed (13239666321921³) is 2320764749523165836020623365699438312961
• The square root of 13239666321921 is 3638635.2279283231
• The cube root of 13239666321921 is 23656.9642323051

Scales and comparisons

• 13,239,666,321,921 seconds is equal to 420,980 years, 22 weeks, 4 days, 17 hours, 25 minutes, 21 seconds.
• To count from 1 to 13,239,666,321,921 would take you about one million, fifty-two thousand, four hundred fifty-one 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 13239666321921 cubic inches would be around 1971.4 feet tall.

Recreational maths with 13239666321921

• 13239666321921 backwards is 12912366693231
• The number of decimal digits it has is: 14
• The sum of 13239666321921's digits is 54
• More coming soon!