21317531136993

Names of 21317531136993

• Cardinal: 21317531136993 can be written as Twenty-one trillion, three hundred seventeen billion, five hundred thirty-one million, one hundred thirty-six thousand, nine hundred ninety-three.

Scientific notation

• Scientific notation: 2.1317531136993 × 10¹³

Factors of 21317531136993

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 9499

Divisors of 21317531136993

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 13 21 27 37 39 49 63 81 91 111 117 147 169 189 259 273 333 343 351 441 481 507 567 637 777 819 999 1029 1053 1183 1323 1443 1521 1813 1911 2197 2331 2457 2997 3087 3367 3549 3969 4329 4459 4563 5439 5733 6253 6591 6993 7371 8281 9261 9439 10101 10647 12691 12987 13377 13689 15379 16317 17199 18759 19773 20979 23569 24843 27783 28317 30303 31941 38073 38961 40131 43771 46137 48951 51597 56277 57967 59319 66073 70707 74529 81289 84951 90909 95823 107653 114219 120393 122707 131313 138411 146853 164983 168831 173901 177957 198219 212121 223587 243867 254853 272727 306397 322959 342657 349243 361179 368121 393939 415233 462511 494949 506493 521703 569023 594657 636363 670761 731601 753571 764559 858949 919191 968877 1027971 1047729 1104363 1181817 1245699 1387533 1484847 1565109 1595191 1707069 1783971 1909089 2144779 2194803 2260713 2444701 2576847 2757573 2906631 3143187 3237577 3313089 3545451 3983161 4162599 4454541 4540159 4695327 4785573 5121207 5351913 6012643 6434337 6584409 6782139 7334103 7730541 8272719 8719893 9429561 9712731 9939267 11166337 11949483 12487797 13363623 13620477 14356719 15363621 17112907 18037929 19303011 20346417 20737483 22002309 23191623 24818157 27882127 28288683 29138193 31781113 33499011 35848449 37463391 40861431 42088501 43070157 46090863 51338721 54113787 57909033 59022067 61039251 62212449 66006927 69574869 78164359 83646381 87414579 95343339 100497033 107545347 119790349 122584293 126265503 129210471 145162381 154016163 162341361 173727099 177066201 186637347 198020781 222467791 234493077 250939143 262243737 286030017 301491099 322636041 359371047 367752879 378796509 413154469 435487143 462048489 487024083 531198603 547150513 559912041 667403373 703479231 752817429 767286871 858090051 904473297 1016136667 1078113141 1136389527 1239463407 1306461429 1386145467 1557274537 1593595809 1641451539 1679736123 2002210119 2110437693 2258452287 2301860613 2574270153 2892081283 3048410001 3234339423 3409168581 3718390221 3919384287 4671823611 4780787427 4924354617 5371008097 6006630357 6331313079 6905581839 7112956669 8676243849 9145230003 9703018269 11155170663 11758152861 14015470833 14773063851 16113024291 18019891071 20244568981 20716745517 21338870007 26028731547 27435690009 33465511989 37597056679 42046412499 44319191553 48339072873 60733706943 62150236551 64016610021 78086194641 82307070027 112791170037 126139237497 145017218619 182201120829 192049830063 234258583923 263179396753 338373510111 435051655857 546603362487 576149490189 789538190259 1015120530333 1639810087461 2368614570777 3045361590999 7105843712331 21317531136993
• Sum of all divisors σ(n): 41321674240000
• Sum of proper divisors (its aliquot sum) s(n): 20004143103007
• 21317531136993 is a deficient number, because the sum of its proper divisors (20004143103007) is less than itself. Its deficiency is 1313388033986

Bases of 21317531136993

• Binary: 100110110001101011111110111101111001111100001₂
• Hexadecimal: 0x13635FDEF3E1
• Base-36: 7K14ZMX29

Squares and roots of 21317531136993

• 21317531136993 squared (21317531136993²) is 454437133776666067333082049
• 21317531136993 cubed (21317531136993³) is 9687477749089932234487878467261928138657
• The square root of 21317531136993 is 4617091.1986870045
• The cube root of 21317531136993 is 27727.6013881503

Scales and comparisons

• 21,317,531,136,993 seconds is equal to 677,831 years, 28 weeks, 4 days, 10 hours, 56 minutes, 33 seconds.
• To count from 1 to 21,317,531,136,993 would take you about one million, six hundred ninety-four thousand, five hundred seventy-eight 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 21317531136993 cubic inches would be around 2310.6 feet tall.

Recreational maths with 21317531136993

• 21317531136993 backwards is 39963113571312
• The number of decimal digits it has is: 14
• The sum of 21317531136993's digits is 54
• More coming soon!