21072199315365

Names of 21072199315365

• Cardinal: 21072199315365 can be written as Twenty-one trillion, seventy-two billion, one hundred ninety-nine million, three hundred fifteen thousand, three hundred sixty-five.

Scientific notation

• Scientific notation: 2.1072199315365 × 10¹³

Factors of 21072199315365

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 19807

Divisors of 21072199315365

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 55 99 121 135 165 257 297 363 495 605 771 1089 1285 1485 1815 2313 2827 3267 3855 5445 6939 8481 11565 14135 16335 19531 25443 31097 34695 42405 58593 66049 76329 93291 97655 127215 155485 175779 198147 214841 279873 292965 330245 381645 466455 527337 594441 644523 726539 839619 878895 990735 1074205 1399365 1783323 1933569 2179617 2363251 2636685 2972205 3222615 3632695 4198095 5019467 5800707 6538851 7089753 7991929 8916615 9667845 10898085 11816255 15058401 19616553 21269259 23975787 25097335 29003535 32694255 35448765 39959645 45175203 55214137 63807777 71927361 75292005 98082765 106346295 119878935 135525609 165642411 215782083 225876015 276070685 319038885 359636805 496927233 607355507 677628045 828212055 1078910415 1290003019 1490781699 1822066521 2484636165 3036777535 3870009057 5466199563 6450015095 7453908495 9110332605 11610027171 14190033209 16398598689 19350045285 27330997815 34830081513 42570099627 58050135855 70950166045 81992993445 127710298881 156090365299 174150407565 212850498135 383130896643 468271095897 638551494405 780451826495 1404813287691 1915654483215 2341355479485 4214439863073 7024066438455 21072199315365
• Sum of all divisors σ(n): 41339857702080
• Sum of proper divisors (its aliquot sum) s(n): 20267658386715
• 21072199315365 is a deficient number, because the sum of its proper divisors (20267658386715) is less than itself. Its deficiency is 804540928650

Bases of 21072199315365

• Binary: 100110010101001000000111101000110111110100101₂
• Hexadecimal: 0x132A40F46FA5
• Base-36: 7GWFNEJZ9

Squares and roots of 21072199315365

• 21072199315365 squared (21072199315365²) is 444037583986469174725083225
• 21072199315365 cubed (21072199315365³) is 9356848473276004431065575295937646252125
• The square root of 21072199315365 is 4590446.5267950785
• The cube root of 21072199315365 is 27620.8234452415

Scales and comparisons

• 21,072,199,315,365 seconds is equal to 670,030 years, 39 weeks, 2 days, 18 hours, 42 minutes, 45 seconds.
• To count from 1 to 21,072,199,315,365 would take you about one million, six hundred seventy-five thousand and seventy-six 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 21072199315365 cubic inches would be around 2301.7 feet tall.

Recreational maths with 21072199315365

• 21072199315365 backwards is 56351399127012
• The number of decimal digits it has is: 14
• The sum of 21072199315365's digits is 54
• More coming soon!