31213676678821

Names of 31213676678821

• Cardinal: 31213676678821 can be written as Thirty-one trillion, two hundred thirteen billion, six hundred seventy-six million, six hundred seventy-eight thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 3.1213676678821 × 10¹³

Factors of 31213676678821

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 871

Divisors of 31213676678821

• Number of divisors d(n): 256
• Complete list of divisors:
  1 7 13 19 31 43 91 127 133 169 217 247 301 403 559 589 631 817 889 1183 1333 1651 1729 2197 2413 2821 3211 3913 3937 4123 4417 5239 5461 5719 7267 7657 8203 9331 10621 11557 11989 15379 16891 17329 19561 21463 22477 25327 27133 27559 31369 36673 38227 41743 50869 51181 53599 57421 68107 70993 74347 74803 80137 83923 94471 99541 103759 106639 121303 136927 138073 150241 155857 169291 177289 189931 219583 225277 254293 279019 292201 329251 352729 358267 371659 407797 476749 496951 515527 523621 560959 661297 665353 696787 726313 746473 841123 922909 966511 972439 1041781 1090999 1185037 1294033 1348867 1386307 1522603 1576939 1780051 1794949 1953133 2026141 2200783 2304757 2469103 2484247 2601613 2854579 2928601 3216529 3305809 3445891 3608689 4280263 4585477 4657471 4831567 5301361 5887861 6460363 6701851 6807073 7292467 8649589 9058231 9442069 9704149 10658221 10934599 11997817 12564643 12641707 13543153 14182987 15405481 15981337 17389729 17535271 19793839 20500207 22515703 23140663 24121237 26339833 28610179 29961841 32098339 32295211 33820969 37109527 41814877 42975517 44796583 46912957 47200693 55643419 59611201 60547123 62810371 65471929 76542193 83984719 87124063 88491949 94802071 106822621 111869359 122746897 138556873 142149787 164342191 176060989 184378831 200271253 207757381 226066477 227958523 257319907 292704139 300828619 313576081 330404851 371932327 389503933 417278407 419837743 439672597 458303503 543593401 582355579 609868441 613609009 747758347 816534823 851135077 995048509 1132612819 1150395337 1232426923 1388694073 1454301667 1595709661 1801239349 1847947231 2029629799 2603526289 2700845953 2938864201 3345158791 3805153807 4076489053 4295263063 5457890659 5715743761 5957945539 7066714213 7570622527 7928289733 7976917117 9720858511 11064756001 12935630617 14207408593 18053022949 18905921671 23416111537 26385187387 35110997389 38205234613 49466999491 52994357689 55838419819 77453292007 103699922521 126371160643 143841828013 184696311709 234689298337 245776981723 343007436031 725899457647 1006892796091 1642825088359 2401052052217 4459096668403 31213676678821
• Sum of all divisors σ(n): 43373717094400
• Sum of proper divisors (its aliquot sum) s(n): 12160040415579
• 31213676678821 is a deficient number, because the sum of its proper divisors (12160040415579) is less than itself. Its deficiency is 19053636263242

Bases of 31213676678821

• Binary: 111000110001110000000000111000100111010100101₂
• Hexadecimal: 0x1C63801C4EA5
• Base-36: B2BD56IZP

Squares and roots of 31213676678821

• 31213676678821 squared (31213676678821²) is 974293611809973972789950041
• 31213676678821 cubed (31213676678821³) is 30411285789277265017556658819207392781661
• The square root of 31213676678821 is 5586920.1425133151
• The cube root of 31213676678821 is 31485.8176447533

Scales and comparisons

• 31,213,676,678,821 seconds is equal to 992,498 years, 19 weeks, 1 day, 7 minutes, 1 second.
• To count from 1 to 31,213,676,678,821 would take you about two million, four hundred eighty-one thousand, two hundred forty-five 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 31213676678821 cubic inches would be around 2623.8 feet tall.

Recreational maths with 31213676678821

• 31213676678821 backwards is 12887667631213
• The number of decimal digits it has is: 14
• The sum of 31213676678821's digits is 61
• More coming soon!