20985823435815

Names of 20985823435815

• Cardinal: 20985823435815 can be written as Twenty trillion, nine hundred eighty-five billion, eight hundred twenty-three million, four hundred thirty-five thousand, eight hundred fifteen.

Scientific notation

• Scientific notation: 2.0985823435815 × 10¹³

Factors of 20985823435815

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 231

Divisors of 20985823435815

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 15 21 23 27 35 45 49 63 69 105 115 135 147 161 189 193 207 245 315 343 345 441 483 529 579 621 735 805 945 965 1029 1035 1127 1323 1351 1449 1587 1715 1737 2205 2415 2645 2895 3087 3105 3381 3703 4053 4347 4439 4761 5145 5211 5635 6615 6755 7245 7889 7935 8685 9261 9457 10143 11109 12159 12167 13317 14283 15435 16905 18515 20265 21735 22195 23667 23805 25921 26055 28371 30429 31073 33327 36477 36501 37249 39445 39951 46305 47285 50715 55545 60795 60835 66199 66585 71001 71415 77763 85113 85169 93219 99981 102097 109503 111747 118335 119853 129605 141855 152145 155365 166635 181447 182385 182505 186245 198597 199755 213003 217511 233289 255339 255507 260743 279657 306291 328509 330995 335241 355005 388815 425565 425845 466095 499905 510485 544341 547515 558735 595791 596183 599265 652533 699867 714679 766521 782229 838971 856727 907235 918873 992985 1005723 1065015 1087555 1166445 1276695 1277535 1303715 1398285 1522577 1531455 1633023 1642545 1676205 1787373 1788549 1825201 1957599 2144037 2299563 2346687 2348231 2570181 2721705 2756619 2978955 2980915 3262665 3499335 3573395 3832605 3911145 4173281 4194855 4283635 4567731 4594365 4899069 5002753 5028615 5365647 5475603 5872797 5997089 6432111 7040061 7044693 7612885 7710543 8165115 8936865 8942745 9126005 9787995 10720185 11497815 11733435 11741155 12519843 12776407 12850905 13703193 13783095 15008259 16096941 16426809 16437617 17991267 19296333 19704721 20866405 21134079 22838655 23131629 24495345 25013765 26828235 27378015 29363985 29985445 32160555 35019271 35200305 35223465 37559529 38329221 38552715 41109579 41979623 45024777 49280427 49312851 53973801 59114163 62599215 63402237 63882035 68515965 75041295 80484705 82134045 82188085 89956335 96481665 98523605 105057813 105670395 112678587 114987663 115063319 115658145 125938869 135074331 137933047 147938553 161921403 175096355 177342489 187797645 191646105 205547895 209898115 225123885 246402135 246564255 269869005 293857361 295570815 315173439 317011185 344962989 345189957 377816607 413799141 443815659 453208583 525289065 532027467 563392935 574938315 575316595 629694345 675371655 689665235 739692765 805443233 809607015 881572083 886712445 945520317 965531329 1035569871 1133449821 1241397423 1359625749 1469286805 1575867195 1724814945 1725949785 1889083035 2068995705 2219078295 2266042915 2416329699 2644716249 2660137335 2896593987 3106709613 3172460081 3724192269 4027216165 4078877247 4407860415 4727601585 4827656645 5177849355 5667249105 6206987115 6758719303 6798128745 7248989097 7934148747 8689781961 9517380243 12081648495 12236631741 13223581245 14482969935 15533548065 15862300405 18620961345 20276157909 20394386235 21746967291 22207220567 26069345883 28552140729 33793596515 36244945485 39670743735 43448909805 47586901215 60828473727 61183158705 66621661701 85656422187 101380789545 108734836455 111036102835 130346729415 142760703645 155450543969 182485421181 199864985103 304142368635 333108308505 428282110935 466351631907 599594955309 777252719845 912427105905 999324925515 1399054895721 2331758159535 2997974776545 4197164687163 6995274478605 20985823435815
• Sum of all divisors σ(n): 45722396160000
• Sum of proper divisors (its aliquot sum) s(n): 24736572724185
• 20985823435815 is an abundant number, because the sum of its proper divisors (24736572724185) is greater than itself. Its abundance is 3750749288370

Bases of 20985823435815

• Binary: 100110001011000100100100011010001110000100111₂
• Hexadecimal: 0x1316248D1C27
• Base-36: 7FSR5FORR

Squares and roots of 20985823435815

• 20985823435815 squared (20985823435815²) is 440404785279202091424714225
• 20985823435815 cubed (20985823435815³) is 9242257064157352168324330025694004968375
• The square root of 20985823435815 is 4581028.6438544565
• The cube root of 20985823435815 is 27583.0321018817

Scales and comparisons

• 20,985,823,435,815 seconds is equal to 667,284 years, 14 weeks, 22 hours, 50 minutes, 15 seconds.
• To count from 1 to 20,985,823,435,815 would take you about one million, six hundred sixty-eight thousand, two hundred ten 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 20985823435815 cubic inches would be around 2298.6 feet tall.

Recreational maths with 20985823435815

• 20985823435815 backwards is 51853432858902
• 20985823435815 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20985823435815's digits is 63
• More coming soon!