21357723765807

Names of 21357723765807

• Cardinal: 21357723765807 can be written as Twenty-one trillion, three hundred fifty-seven billion, seven hundred twenty-three million, seven hundred sixty-five thousand, eight hundred seven.

Scientific notation

• Scientific notation: 2.1357723765807 × 10¹³

Factors of 21357723765807

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 393

Divisors of 21357723765807

• Number of divisors d(n): 324
• Complete list of divisors:
  1 3 9 11 13 27 33 39 81 99 117 121 137 143 169 229 243 297 351 363 411 429 507 687 891 1053 1089 1233 1287 1507 1521 1573 1781 1859 2061 2519 2673 2977 3159 3267 3699 3861 4521 4563 4719 5343 5577 6183 7557 8931 9801 11097 11583 13563 13689 14157 16029 16577 16731 18549 18769 19591 20449 22671 23153 26793 27709 29403 31373 32747 33291 34749 38701 40689 41067 42471 48087 49731 50193 55647 56307 58773 61347 68013 69459 80379 83127 94119 98241 116103 122067 127413 144261 149193 150579 168921 176319 184041 204039 206459 208377 215501 241137 243997 249381 254683 282357 294723 345103 348309 360217 366201 382239 407849 425711 432783 447579 451737 506763 528957 552123 612117 619377 625131 646503 723411 731991 748143 764049 847071 884169 1035309 1044927 1080651 1223547 1277133 1342737 1520289 1586871 1656369 1858131 1875393 1939509 2195973 2244429 2271049 2292147 2541213 2652507 2683967 2801513 3105927 3134781 3171961 3241953 3670641 3796133 3831399 4028211 4298101 4486339 4560867 4682821 4760613 4969107 5302037 5574393 5626179 5818527 6587919 6733287 6813147 6876441 7623639 7957521 8051901 8404539 9317781 9404343 9515883 9725859 11011923 11388399 11494197 12894303 13459017 14048463 15906111 16723179 17455581 19763757 20439441 20629323 24155703 25213617 27953343 28547649 29177577 29523637 33035769 34165197 34482591 34891571 38682909 40377051 42145389 47279111 47718333 49349729 50169537 52366743 55875313 58322407 59291271 61318323 61887969 72467109 75640851 83860029 85642947 87532731 88570911 99107307 102495591 103447773 104674713 116048727 121131153 126436167 141837333 143154999 148049187 167625939 174967221 183954969 217401327 226922553 256928841 265712733 307486773 314024139 348146181 363393459 379308501 383807281 425511999 429464997 444147561 502877817 520070221 524901663 551864907 614628443 641546477 652203981 680767659 726379069 770786523 797138199 922460319 942072417 1044438543 1090180377 1137925503 1151421843 1276535997 1288394991 1332442683 1508633451 1560210663 1574704989 1843885329 1924639431 2179137207 2391414597 2826217251 3454265529 3829607991 3997328049 4525900353 4680631989 4724114967 5531655987 5773918293 6537411621 6760912873 7174243791 7990169759 8478651753 10362796587 11488823973 11991984147 13577701059 14041895967 14172344901 16594967961 17321754879 19612234863 20282738619 23970509277 31088389761 42125687901 49784903883 51965264637 58836704589 60848215857 71911527831 87891867349 93265169283 126377063703 149354711649 155895793911 176510113767 182544647571 215734583493 263675602047 547633942713 647203750479 791026806141 1642901828139 1941611251437 2373080418423 7119241255269 21357723765807
• Sum of all divisors σ(n): 38526058039560
• Sum of proper divisors (its aliquot sum) s(n): 17168334273753
• 21357723765807 is a deficient number, because the sum of its proper divisors (17168334273753) is less than itself. Its deficiency is 4189389492054

Bases of 21357723765807

• Binary: 100110110110010111011100010011100110000101111₂
• Hexadecimal: 0x136CBB89CC2F
• Base-36: 7KJLPAFXR

Squares and roots of 21357723765807

• 21357723765807 squared (21357723765807²) is 456152364456517141382361249
• 21357723765807 cubed (21357723765807³) is 9742376195182012417748331132677948012943
• The square root of 21357723765807 is 4621441.7410378549
• The cube root of 21357723765807 is 27745.0165618355

Scales and comparisons

• 21,357,723,765,807 seconds is equal to 679,109 years, 28 weeks, 4 days, 22 hours, 3 minutes, 27 seconds.
• To count from 1 to 21,357,723,765,807 would take you about one million, six hundred ninety-seven thousand, seven hundred seventy-three 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 21357723765807 cubic inches would be around 2312.1 feet tall.

Recreational maths with 21357723765807

• 21357723765807 backwards is 70856732775312
• The number of decimal digits it has is: 14
• The sum of 21357723765807's digits is 63
• More coming soon!