21285364697415

Names of 21285364697415

• Cardinal: 21285364697415 can be written as Twenty-one trillion, two hundred eighty-five billion, three hundred sixty-four million, six hundred ninety-seven thousand, four hundred fifteen.

Scientific notation

• Scientific notation: 2.1285364697415 × 10¹³

Factors of 21285364697415

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2768

Divisors of 21285364697415

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 35 39 45 47 63 65 81 91 105 117 135 141 169 189 195 235 243 273 315 329 351 405 423 455 507 567 585 611 705 729 819 845 945 987 1053 1183 1215 1269 1365 1521 1645 1701 1755 1833 2115 2187 2197 2457 2535 2693 2835 2961 3055 3159 3549 3645 3807 4095 4277 4563 4935 5103 5265 5499 5915 6345 6591 7371 7605 7943 8079 8505 8883 9165 9477 10647 10935 10985 11421 12285 12831 13465 13689 14805 15309 15379 15795 16497 17745 18851 19035 19773 21385 22113 22815 23829 24237 25515 26649 27495 28431 31941 32955 34263 35009 36855 38493 39715 40395 41067 44415 46137 47385 49491 53235 55601 56553 57105 59319 64155 66339 68445 71487 72711 76545 76895 79947 82485 94255 95823 98865 102789 103259 105027 110565 115479 119145 121185 123201 126571 133245 138411 142155 148473 159705 166803 169659 171315 175045 177957 192465 199017 205335 214461 218133 230685 239841 245063 247455 278005 282765 287469 296595 309777 315081 331695 346437 357435 363555 369603 379713 399735 415233 445419 455117 479115 500409 508977 513945 516295 525135 533871 577395 616005 632855 643383 654399 692055 719523 722813 735189 742365 834015 848295 862407 885997 889785 929331 945243 995085 1039311 1072305 1090665 1139139 1199205 1225315 1245699 1336257 1365351 1437345 1501227 1526931 1548885 1575405 1601613 1645423 1732185 1848015 1898565 1930149 1963197 2076165 2168439 2205567 2227095 2275585 2502045 2544885 2587221 2657991 2669355 2787993 2835729 3117933 3185819 3216915 3271995 3417417 3597615 3614065 3675945 3737097 4096053 4312035 4429985 4503681 4580793 4646655 4726215 4804839 4936269 5196555 5695695 5790447 5889591 5916521 6228495 6505317 6616701 6681285 6826755 7506135 7634655 7973973 8008065 8227115 8363979 8507187 9353799 9557457 9650745 9815985 10252251 10842195 11027835 11211291 11517961 12288159 12936105 13289955 13511043 13742379 13939965 14178645 14808807 15589665 15929095 17087085 17371341 17749563 18685485 19515951 19850103 20480265 21390499 22518405 22903965 23921919 24024195 24681345 25091937 25521561 28672371 28952235 29447955 29582605 30756753 32526585 33083505 33633873 34553883 36864477 39869865 40533129 41227137 41415647 41819895 42535935 44426421 46768995 47787285 51261255 53248689 56056455 57589805 58547853 59550309 61440795 64171497 67555215 68711895 71765757 74044035 75275811 76564683 86017113 86856705 88747815 92270259 97579755 99250515 103661649 106952495 110593431 119609595 121599387 124246941 125459685 127607805 133279263 143361855 149733493 153783765 159746067 168169365 172769415 175643559 178650927 184322385 192514491 202665645 206135685 207078235 215297271 222132105 225827433 258051339 266243445 276810777 278076487 292739265 297751545 310984947 320857485 331780293 358828785 372740823 376379055 382823415 399837789 430085565 449200479 461351295 479238201 518308245 526930677 535952781 552967155 577543473 607996935 621234705 645891813 666396315 748667465 774154017 798730335 834229461 878217795 893254635 932954841 962572455 995340879 1076486355 1118222469 1129137165 1199513367 1290256695 1347601437 1384053885 1390382435 1437714603 1554924735 1580792031 1658901465 1732630419 1863704115 1937675439 1946535409 1999188945 2246002395 2322462051 2396191005 2502688383 2634653385 2679763905 2798864523 2887717365 3229459065 3354667407 3598540101 3870770085 4042804311 4171147305 4313143809 4664774205 4976704395 5197891257 5591112345 5839606227 5997566835 6738007185 6967386153 7188573015 7508065149 7903960155 8396593569 8663152095 9688377195 9732677045 10064002221 11612310255 12128412933 12513441915 12939431427 13994322615 15593673771 16773337035 17518818681 17992700505 20214021555 21565719045 22524195447 25189780707 25989456285 29198031135 30192006663 34836930765 36385238799 37540325745 41982967845 46781021313 50320011105 52556456043 60642064665 64697157135 67572586341 77968368855 87594093405 90576019989 109155716397 112620977235 125948903535 150960033315 157669368129 181926193995 202717759023 233905106565 262782280215 327467149191 337862931705 452880099945 473008104387 545778581985 608153277069 788346840645 1013588795115 1419024313161 1637335745955 2365040521935 3040766385345 4257072939483 7095121565805 21285364697415
• Sum of all divisors σ(n): 48454137446400
• Sum of proper divisors (its aliquot sum) s(n): 27168772748985
• 21285364697415 is an abundant number, because the sum of its proper divisors (27168772748985) is greater than itself. Its abundance is 5883408051570

Bases of 21285364697415

• Binary: 100110101101111100010100110100000100101000111₂
• Hexadecimal: 0x135BE29A0947
• Base-36: 7JMD0KHFR

Squares and roots of 21285364697415

• 21285364697415 squared (21285364697415²) is 453066750301960754507682225
• 21285364697415 cubed (21285364697415³) is 9643691012449892235252616560430098948375
• The square root of 21285364697415 is 4613606.4740520511
• The cube root of 21285364697415 is 27713.6481277049

Scales and comparisons

• 21,285,364,697,415 seconds is equal to 676,808 years, 39 weeks, 2 days, 16 hours, 50 minutes, 15 seconds.
• To count from 1 to 21,285,364,697,415 would take you about one million, six hundred ninety-two thousand and twenty-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 21285364697415 cubic inches would be around 2309.5 feet tall.

Recreational maths with 21285364697415

• 21285364697415 backwards is 51479646358212
• 21285364697415 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21285364697415's digits is 63
• More coming soon!