21206401218175684

Names of 21206401218175684

• Cardinal: 21206401218175684 can be written as Twenty-one quadrillion, two hundred six trillion, four hundred one billion, two hundred eighteen million, one hundred seventy-five thousand, six hundred eighty-four.

Scientific notation

• Scientific notation: 2.1206401218175684 × 10¹⁶

Factors of 21206401218175684

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 85

Divisors of 21206401218175684

• Number of divisors d(n): 375
• Complete list of divisors:
  1 2 4 7 14 23 28 46 49 53 92 98 106 161 196 212 322 343 371 529 644 686 742 1058 1127 1219 1372 1484 2116 2254 2401 2438 2597 2809 3703 4508 4802 4876 5194 5618 7406 7889 8533 9604 10388 11236 12167 14812 15778 17066 18179 19663 24334 25921 28037 31556 34132 36358 39326 48668 51842 55223 56074 59731 64607 72716 78652 85169 103684 110446 112148 119462 127253 129214 137641 148877 170338 181447 196259 220892 238924 254506 258428 275282 279841 297754 340676 362894 392518 418117 452249 509012 550564 559682 595508 596183 644851 725788 785036 836234 904498 963487 1042139 1119364 1192366 1270129 1289702 1373813 1485961 1672468 1808996 1926974 1958887 2084278 2384732 2540258 2579404 2747626 2926819 2971922 3165743 3424171 3853948 3917774 4168556 4173281 4513957 5080516 5495252 5853638 5943844 6331486 6744409 6848342 7294973 7835548 7890481 8346562 9027914 9616691 10401727 11707276 12662972 13488818 13696684 13712209 14589946 14831573 15780962 16693124 18055828 19233382 20803454 22160201 23969197 26977636 27424418 29179892 29212967 29663146 31561924 31597699 34177103 38466764 41606908 44320402 47938394 51064811 54848836 55233367 58425934 59326292 63195398 67316837 68354206 72812089 78755933 88640804 95876788 95985463 102129622 103821011 110466734 116851868 126390796 134633674 136708412 145624178 155121407 157511866 167784379 181481063 191970926 204259244 207642022 220933468 221183893 239239721 269267348 291248356 310242814 315023732 335568758 357453677 362962126 383941852 386633569 415284044 442367786 478479442 509684623 551291531 620485628 671137516 671898241 714907354 725924252 726747077 773267138 786073369 884735572 956958884 1019369246 1102583062 1174490653 1270367441 1343796482 1429814708 1453494154 1546534276 1548287251 1572146738 1674678047 1811386459 2038738492 2205166124 2348981306 2540734882 2687592964 2706434983 2906988308 3096574502 3144293476 3349356094 3567792361 3622772918 3859040717 4174064449 4697962612 5081469764 5087229539 5412869966 5502513583 6193149004 6698712188 7135584722 7245545836 7718081434 8221434571 8348128898 8892572087 10174459078 10825739932 11005027166 11722746329 12679705213 14271169444 15436162868 16442869142 16696257796 17785144174 18945044881 20348918156 22010054332 23445492658 25359410426 27013285019 29218451143 32885738284 35570288348 35610606773 37890089762 38517595081 41661888557 46890985316 50718820852 54026570038 58436902286 62248004609 71221213546 75780179524 77035190162 82059224303 83323777114 88757936491 96003482327 108053140076 116873804572 124496009218 142442427092 154070380324 164118448606 166647554228 177515872982 189092995133 192006964654 204529158001 248992018436 269623165567 291633219899 328236897212 355031745964 378185990266 384013929308 409058316002 435736032263 539246331134 583266439798 621305555437 672024376289 756371980532 818116632004 871472064526 1078492662268 1166532879596 1242611110874 1344048752578 1431704106007 1742944129052 1887362158969 2041432539293 2208080093521 2485222221748 2688097505156 2863408212014 3774724317938 4082865078586 4349138888059 4416160187042 4704170634023 5726816424028 7549448635876 8165730157172 8698277776118 8832320374084 9408341268046 10021928742049 14290027775051 15456560654647 17396555552236 18816682536092 20043857484098 28580055550102 30913121309294 32929194438161 40087714968196 57160111100204 61826242618588 65858388876322 100030194425357 108195924582529 131716777752644 200060388850714 216391849165058 230504361067127 400120777701428 432783698330116 461008722134254 757371472077703 922017444268508 1514742944155406 3029485888310812 5301600304543921 10603200609087842 21206401218175684
• Sum of all divisors σ(n): 46132138153953467
• Sum of proper divisors (its aliquot sum) s(n): 24925736935777783
• 21206401218175684 is an abundant number, because the sum of its proper divisors (24925736935777783) is greater than itself. Its abundance is 3719335717602099

Bases of 21206401218175684

• Binary: 1001011010101110001110000001011100100101110001011000100₂
• Hexadecimal: 0x4B571C0B92E2C4
• Base-36: 5ST1I888XC4

Squares and roots of 21206401218175684

• 21206401218175684 squared (21206401218175684²) is 449711452626243134307197088867856
• 21206401218175684 cubed (21206401218175684³) is 9536761496800718808979470830340981332809268413504
• 21206401218175684 is a perfect square number. Its square root is 145624178
• The cube root of 21206401218175684 is 276793.3538432277

Scales and comparisons

• 21,206,401,218,175,684 seconds is equal to 674,297,963 years, 1 week, 4 days, 16 hours, 48 minutes, 4 seconds.
• To count from 1 to 21,206,401,218,175,684 would take you about two billion, twenty-two million, eight hundred ninety-three thousand, eight hundred eighty-nine 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 21206401218175684 cubic inches would be around 23066.1 feet tall.

Recreational maths with 21206401218175684

• 21206401218175684 backwards is 48657181210460212
• The number of decimal digits it has is: 17
• The sum of 21206401218175684's digits is 58
• More coming soon!