31211639139645

Names of 31211639139645

• Cardinal: 31211639139645 can be written as Thirty-one trillion, two hundred eleven billion, six hundred thirty-nine million, one hundred thirty-nine thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 3.1211639139645 × 10¹³

Factors of 31211639139645

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1214

Divisors of 31211639139645

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 15 19 37 43 45 57 95 103 111 129 171 185 215 285 309 331 333 387 515 555 645 673 703 817 855 927 993 1545 1591 1655 1665 1935 1957 2019 2109 2451 2979 3365 3515 3811 4085 4429 4635 4773 4965 5871 6057 6289 6327 7353 7955 9785 10095 10545 11433 12247 12255 12787 13287 14233 14319 14895 17613 18867 19055 22145 23865 24901 28939 29355 30229 30285 31445 31635 34093 34299 36741 36765 38361 39861 42699 56601 57165 61235 63935 66435 69319 71165 71595 72409 74703 84151 86817 88065 90687 94335 102279 110223 115083 124505 128097 144695 151145 163873 170465 171495 183705 191805 199305 207957 213495 217227 222763 224109 232693 252453 260451 270427 272061 283005 306837 346595 362045 373515 420755 434085 453435 473119 491619 511395 526621 549841 551115 575415 623871 640485 647767 651681 668289 698079 757359 811281 819365 1039785 1070743 1086135 1113815 1120545 1163465 1261441 1262265 1302255 1317061 1352135 1360305 1419357 1465999 1474857 1534185 1579863 1649523 1943301 2004867 2094237 2365595 2433843 2458095 2564803 2633105 2749205 2980717 3113587 3119355 3212229 3238835 3258405 3341445 3490395 3784323 3786795 3951183 4056405 4232497 4258071 4397997 4739589 4948569 5353715 5829903 6307205 6585305 7096785 7329995 7374285 7694409 7899315 8242231 8247615 8942151 9340761 9578809 9636687 9716505 10005799 10024335 10471185 11352969 11853549 12169215 12697491 12824015 13193991 14903585 15567935 16061145 18921615 19755915 20344117 21162485 21290355 21989985 22944589 23083227 23697945 23967379 24726693 24742845 26826453 27853981 28022283 28736427 29149515 30017397 38092473 38472045 41211155 44710755 46703805 47894045 48183435 48731257 50028995 54241963 56633623 56764845 59267745 61032351 63487455 65969955 68833767 71902137 74180079 83561943 86209281 90052191 101720585 110286529 114722945 115416135 119836895 123633465 134132265 139269905 140111415 143682135 146193771 150086985 156602389 162725889 169900869 181997371 183097053 190462365 206501301 215706411 243656285 250685829 271209815 283168115 305161755 330859587 344168835 354415933 359510685 370900395 417809715 431046405 435947191 438581313 450260955 469807167 488177667 509702607 545992113 551432645 730968855 783011945 813629445 848949793 849504345 909986855 915485265 986617327 992578761 1030597297 1032506505 1063247799 1078532055 1253429145 1307841573 1409421501 1637976339 1654297935 1772079665 2095444051 2179735955 2192906565 2349035835 2440888335 2546849379 2548513035 2729960565 2959851981 3091791891 3189743397 3923524719 4244748965 4933086635 4962893805 5152986485 5316238995 6286332153 6539207865 6733902727 7047107505 7640548137 8189881695 8879555943 9275375673 10477220255 12734246895 14799259905 15458959455 15948716985 16130046067 18745729213 18858996459 19617623595 20201708181 31431660765 33669513635 36504841099 38202740685 44397779715 46376878365 48390138201 56237187639 60605124543 80650230335 93728646065 94294982295 101008540905 109514523297 145170414603 168711562917 182524205495 241950691005 281185938195 303025622715 328543569891 547572616485 693591980881 725852073015 843557814585 1642717849455 2080775942643 3467959904405 6242327827929 10403879713215 31211639139645
• Sum of all divisors σ(n): 60700489175040
• Sum of proper divisors (its aliquot sum) s(n): 29488850035395
• 31211639139645 is a deficient number, because the sum of its proper divisors (29488850035395) is less than itself. Its deficiency is 1722789104250

Bases of 31211639139645

• Binary: 111000110001100000110101010011110110100111101₂
• Hexadecimal: 0x1C6306A9ED3D
• Base-36: B2AFG2ZP9

Squares and roots of 31211639139645

• 31211639139645 squared (31211639139645²) is 974166417783419675810726025
• 31211639139645 cubed (31211639139645³) is 30405330693816744518267053648793810761125
• The square root of 31211639139645 is 5586737.7904860543
• The cube root of 31211639139645 is 31485.1325285933

Scales and comparisons

• 31,211,639,139,645 seconds is equal to 992,433 years, 30 weeks, 1 day, 9 hours, 45 seconds.
• To count from 1 to 31,211,639,139,645 would take you about two million, four hundred eighty-one thousand and eighty-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 31211639139645 cubic inches would be around 2623.8 feet tall.

Recreational maths with 31211639139645

• 31211639139645 backwards is 54693193611213
• The number of decimal digits it has is: 14
• The sum of 31211639139645's digits is 54
• More coming soon!