21376794885003243

Names of 21376794885003243

• Cardinal: 21376794885003243 can be written as Twenty-one quadrillion, three hundred seventy-six trillion, seven hundred ninety-four billion, eight hundred eighty-five million, three thousand, two hundred forty-three.

Scientific notation

• Scientific notation: 2.1376794885003243 × 10¹⁶

Factors of 21376794885003243

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 63

Divisors of 21376794885003243

• Number of divisors d(n): 210
• Complete list of divisors:
  1 3 7 9 21 27 49 53 63 81 147 159 189 243 371 441 477 567 729 1113 1323 1431 1701 2187 2597 2809 3339 3969 4293 5103 6561 7791 8427 10017 11907 12879 15309 19663 19683 23373 25281 30051 35721 38637 45927 58989 70119 75843 90153 107163 115911 137641 137781 148877 176967 210357 227529 270459 321489 347733 412923 446631 530901 631071 682587 811377 964467 1042139 1043199 1238769 1339893 1592703 1893213 2047761 2434131 3126417 3716307 4019679 4778109 5679639 6143283 7294973 7302393 7890481 9379251 11148921 12059037 14334327 17038917 18429849 21884919 23671443 28137753 33446763 36177111 43002981 51116751 55233367 55289547 65654757 71014329 84413259 100340289 108531333 129008943 165700101 196964271 213042987 253239777 301020867 325593999 386633569 387026829 418195493 497100303 590892813 639128961 759719331 903062601 976781997 1159900707 1254586479 1491300909 1772678439 1917386883 2279157993 2709187803 2927368451 2930345991 3479702121 3763759437 4473902727 5318035317 5752160649 6837473979 8782105353 10439106363 11291278311 13421708181 15954105951 17256481947 20491579157 20512421937 22164361129 26346316059 31317319089 33873834933 40265124543 47862317853 51769445841 61474737471 66493083387 79038948177 93951957267 101621504799 120795373629 143586953559 155150527903 155308337523 184424212413 199479250161 237116844531 281855871801 304864514397 362386120887 465451583709 553272637239 598437750483 711350533593 845567615403 914593543191 1086053695321 1087158362661 1396354751127 1659817911717 1795313251449 2134051600779 2536702846209 2743780629573 3258161085963 4189064253381 4979453735151 5385939754347 6402154802337 7610108538627 8231341888719 9774483257889 12567192760143 14938361205453 16157819263041 19206464407011 29323449773667 37701578280429 44815083616359 48473457789123 57619393221033 87970349321001 113104734841287 134445250849077 145420373367369 263911047963003 339314204523861 403335752547231 436261120102107 791733143889009 1017942613571583 2375199431667027 3053827840714749 7125598295001081 21376794885003243
• Sum of all divisors σ(n): 38016995893721724
• Sum of proper divisors (its aliquot sum) s(n): 16640201008718481
• 21376794885003243 is a deficient number, because the sum of its proper divisors (16640201008718481) is less than itself. Its deficiency is 4736593876284762

Bases of 21376794885003243

• Binary: 1001011111100100001010011101001100011101001011111101011₂
• Hexadecimal: 0x4BF214E98E97EB
• Base-36: 5UHFVZY1JOR

Squares and roots of 21376794885003243

• 21376794885003243 squared (21376794885003243²) is 456967359555500813116624120517049
• 21376794885003243 cubed (21376794885003243³) is 9768497514359467600591829897073413830517201789907
• The square root of 21376794885003243 is 146208053.4204707993
• The cube root of 21376794885003243 is 277532.7229652723
• Being both a perfect square and a perfect cube, 21376794885003243 is also a perfect sixth number.

Scales and comparisons

• 21,376,794,885,003,243 seconds is equal to 679,715,954 years, 29 weeks, 6 days, 7 hours, 34 minutes, 3 seconds.
• To count from 1 to 21,376,794,885,003,243 would take you about two billion, thirty-nine million, one hundred forty-seven thousand, eight hundred sixty-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 21376794885003243 cubic inches would be around 23127.7 feet tall.

Recreational maths with 21376794885003243

• 21376794885003243 backwards is 34230058849767312
• The number of decimal digits it has is: 17
• The sum of 21376794885003243's digits is 72
• More coming soon!