20731335251445

Names of 20731335251445

• Cardinal: 20731335251445 can be written as Twenty trillion, seven hundred thirty-one billion, three hundred thirty-five million, two hundred fifty-one thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 2.0731335251445 × 10¹³

Factors of 20731335251445

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 168

Divisors of 20731335251445

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 43 45 63 65 91 97 105 117 129 135 189 195 215 273 291 301 315 351 387 455 485 559 585 645 679 819 873 903 945 1161 1261 1365 1455 1505 1677 1755 1849 1935 2037 2457 2619 2709 2795 3395 3783 3913 4095 4171 4365 4515 5031 5547 5805 6111 6305 8127 8385 8827 9245 9409 10185 11349 11739 12285 12513 12943 13095 13545 15093 16641 18333 18915 19565 20855 24037 25155 26481 27735 28227 29197 30555 34047 35217 37539 38829 40635 44135 47045 49923 54223 56745 58695 62565 64715 65863 72111 75465 79443 83205 84681 87591 91665 105651 112617 116487 120185 122317 132405 141135 145985 162669 168259 170235 176085 179353 187695 194145 197589 216333 238329 249615 254043 262773 271115 329315 349461 360555 366951 379561 397215 404587 423405 437955 488007 504777 528255 538059 563085 582435 592767 611585 648999 788319 813345 841295 856219 896765 912673 987945 1081665 1100853 1138683 1191645 1213761 1255471 1270215 1313865 1464021 1514331 1614177 1747305 1778301 1834755 1897805 2022935 2331589 2440035 2523885 2568657 2690295 2738019 2832109 2963835 3244995 3302559 3416049 3641283 3766413 3941595 4281095 4542993 4563365 4842531 5259631 5504265 5693415 6068805 6277355 6388711 6994767 7320105 7571655 7705971 8070885 8214057 8496327 8891505 10248147 10923849 11299239 11657945 11864749 12843285 13690095 14160545 15778893 16321123 16512795 17080245 17397241 18206415 18832065 19166133 20984301 22714965 23117913 24212655 24642171 25488981 26298155 31943555 33897717 34973835 35594247 36817417 38529855 39244939 41070285 42481635 47336679 48963369 51240735 52191723 54619245 56496195 57498399 59323745 62952903 76466943 78894465 81605615 83053243 86986205 95830665 104921505 106782741 110452251 115589565 117734817 121780687 123210855 127444905 142010037 146890107 156575169 169488585 172495197 177971235 184087085 196224695 226164133 236683395 244816845 249159729 260958615 274714573 287491995 314764515 320348223 331356753 353204451 365342061 382334715 415266215 440670321 469725507 510184207 533913705 552261255 588674085 608903435 678492399 710050185 734450535 747479187 782875845 824143719 862475985 994070259 1059613353 1096026183 1130820665 1245798645 1373572865 1530552621 1583148931 1601741115 1656783765 1687532377 1766022255 1826710305 2035477197 2203351605 2242437561 2348627535 2472431157 2550921035 3288078549 3392461995 3571289449 3737395935 4120718595 4591657863 4749446793 4970351295 5062597131 5298066765 5480130915 6106431591 7417293471 7652763105 7915744655 8437661885 10177385985 10713868347 11212187805 11812726639 12362155785 13774973589 14248340379 15187791393 16440392745 17856447245 21937920901 22958289315 23747233965 25312985655 30532157955 32141605041 35438179917 37086467355 42745021137 45563374179 53569341735 59063633195 65813762703 68874867945 71241701895 75938956965 96424815123 106314539751 109689604505 153565446307 160708025205 177190899585 197441288109 213725105685 227816870895 318943619253 329068813515 460696338921 482124075615 531572698755 592323864327 767827231535 987206440545 1382089016763 1594718096265 2303481694605 2961619321635 4146267050289 6910445083815 20731335251445
• Sum of all divisors σ(n): 46924059571200
• Sum of proper divisors (its aliquot sum) s(n): 26192724319755
• 20731335251445 is an abundant number, because the sum of its proper divisors (26192724319755) is greater than itself. Its abundance is 5461389068310

Bases of 20731335251445

• Binary: 100101101101011100011110111111001010111110101₂
• Hexadecimal: 0x12DAE3DF95F5
• Base-36: 7CJUDQOZ9

Squares and roots of 20731335251445

• 20731335251445 squared (20731335251445²) is 429788261307806121374588025
• 20731335251445 cubed (20731335251445³) is 8910084532307776181808555022296660946125
• The square root of 20731335251445 is 4553167.6063423143
• The cube root of 20731335251445 is 27471.0815571707

Scales and comparisons

• 20,731,335,251,445 seconds is equal to 659,192 years, 17 weeks, 2 days, 20 hours, 30 minutes, 45 seconds.
• To count from 1 to 20,731,335,251,445 would take you about one million, six hundred forty-seven thousand, nine hundred eighty 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 20731335251445 cubic inches would be around 2289.3 feet tall.

Recreational maths with 20731335251445

• 20731335251445 backwards is 54415253313702
• 20731335251445 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20731335251445's digits is 45
• More coming soon!