21097561401567

Names of 21097561401567

• Cardinal: 21097561401567 can be written as Twenty-one trillion, ninety-seven billion, five hundred sixty-one million, four hundred one thousand, five hundred sixty-seven.

Scientific notation

• Scientific notation: 2.1097561401567 × 10¹³

Factors of 21097561401567

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 249

Divisors of 21097561401567

• Number of divisors d(n): 360
• Complete list of divisors:
  1 3 7 9 21 23 27 49 63 69 81 89 127 147 161 189 207 267 343 381 441 483 529 567 621 623 801 889 1029 1127 1143 1323 1449 1587 1863 1869 2047 2403 2667 2921 3087 3381 3429 3703 3969 4347 4361 4761 5607 6141 6223 7209 7889 8001 8763 9261 10143 10287 11109 11303 13041 13083 14283 14329 16129 16821 18423 18669 20447 23667 24003 25921 26289 27783 30429 30527 33327 33909 39249 42849 42987 43561 47081 48387 50463 55269 56007 61341 67183 71001 72009 77763 78867 79121 91287 91581 99981 100303 101727 112903 117747 128961 130683 141243 143129 145161 165807 168021 181447 184023 201549 213003 233289 236601 237363 259969 274743 299943 300909 305181 329567 338709 353241 370967 386883 392049 423729 429387 435483 470281 504063 544341 552069 553847 604647 639009 699867 702121 712089 779907 790321 824229 902727 915543 988701 1001903 1016127 1112901 1160649 1176147 1271187 1288161 1306449 1410843 1435481 1633023 1656207 1661541 1813941 1819783 2099601 2106363 2136267 2306969 2339721 2370963 2472687 2596769 2708181 2966103 3005709 3048381 3291967 3338703 3528441 3813561 3864483 3876929 4232529 4306443 4899069 4984623 5441823 5459349 5532247 5979287 6319089 6408801 6920907 7019163 7112889 7790307 8124543 8532241 8898309 9017127 9145143 9875901 10016109 10048367 11593449 11630787 12697587 12738481 12919329 14697207 14953869 16148783 16378047 16596741 17937861 18177383 18957267 20762721 21057489 21338667 23043769 23370921 25596723 26694927 27051381 29627703 30048327 30145101 33016063 34892361 38092761 38215443 38757987 41855009 44861607 48446349 49134141 49790223 53813583 54532149 56871801 59725687 62288163 64016001 69131307 70112763 70338569 76790169 81154143 88883109 89169367 90435303 99048189 104677083 114646329 116273961 125565027 127241681 145339047 147402423 149370669 161440749 163596447 179177061 186864489 207393921 210338289 211015707 230370507 231112441 266649327 267508101 271305909 292985063 297144567 314031249 343938987 376695081 381725043 418079809 436017141 448112007 484322247 490789341 492369983 537531183 622181763 633047121 691111521 693337323 759369449 802524303 813917727 878955189 891433701 1031816961 1130085243 1145175129 1254239427 1308051423 1472368023 1477109949 1612593549 1617787087 1866545289 1899141363 2050895441 2080011969 2278108347 2407572909 2636865567 2674301103 2926558663 3390255729 3435525387 3762718281 4431329847 4837780647 4853361261 5315586143 5697424089 6152686323 6240035907 6834325041 7222718727 7910596701 8779675989 10306576161 11288154843 11324509609 13293989541 14560083783 15946758429 18458058969 18720107721 20502975123 23731790103 26339027967 33864464529 33973528827 37209103001 39881968623 43680251349 47840275287 55374176907 61508925369 79017083901 101920586481 111627309003 131040754047 143520825861 166122530721 237051251703 260463721007 305761759443 334881927009 430562477583 781391163021 917285278329 1004645781027 2344173489063 3013937343081 7032520467189 21097561401567
• Sum of all divisors σ(n): 39160967076000
• Sum of proper divisors (its aliquot sum) s(n): 18063405674433
• 21097561401567 is a deficient number, because the sum of its proper divisors (18063405674433) is less than itself. Its deficiency is 3034155727134

Bases of 21097561401567

• Binary: 100110011000000101000101001110010100011011111₂
• Hexadecimal: 0x133028A728DF
• Base-36: 7H833C2XR

Squares and roots of 21097561401567

• 21097561401567 squared (21097561401567²) is 445107097092889717430055489
• 21097561401567 cubed (21097561401567³) is 9390674311190485138053804071797421551263
• The square root of 21097561401567 is 4593208.1818231363
• The cube root of 21097561401567 is 27631.9002964321

Scales and comparisons

• 21,097,561,401,567 seconds is equal to 670,837 years, 10 weeks, 10 hours, 39 minutes, 27 seconds.
• To count from 1 to 21,097,561,401,567 would take you about one million, six hundred seventy-seven thousand and ninety-two 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 21097561401567 cubic inches would be around 2302.7 feet tall.

Recreational maths with 21097561401567

• 21097561401567 backwards is 76510416579012
• The number of decimal digits it has is: 14
• The sum of 21097561401567's digits is 54
• More coming soon!