18985499712972

Names of 18985499712972

• Cardinal: 18985499712972 can be written as Eighteen trillion, nine hundred eighty-five billion, four hundred ninety-nine million, seven hundred twelve thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.8985499712972 × 10¹³

Factors of 18985499712972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2451

Divisors of 18985499712972

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 31 36 39 52 54 62 78 93 108 117 124 156 169 186 234 279 338 351 372 403 468 507 558 601 676 702 806 837 961 1014 1116 1202 1209 1404 1521 1612 1674 1801 1803 1922 2028 2404 2418 2883 3042 3348 3602 3606 3627 3844 4563 4836 5239 5403 5409 5766 6084 7204 7212 7254 7813 8649 9126 10478 10806 10818 10881 11532 12493 14508 15626 15717 16209 16227 17298 18252 18631 20956 21612 21636 21762 23413 23439 24986 25947 31252 31434 32418 32454 34596 37262 37479 43524 46826 46878 47151 48627 49972 51894 55831 55893 62868 64836 64908 70239 70317 74524 74958 93652 93756 94302 97254 101569 103788 111662 111786 112437 140478 140634 141453 149916 162409 167493 167679 188604 194508 203138 210717 210951 223324 223572 224874 242203 280956 281268 282906 304369 304707 324818 334986 335358 337311 406276 421434 421902 449748 484406 487227 502479 503037 565812 577561 608738 609414 632151 649636 669972 670716 674622 725803 726609 842868 843804 913107 914121 968812 974454 1004958 1006074 1082401 1155122 1217476 1218828 1264302 1349244 1451606 1453218 1461681 1507437 1730761 1732683 1826214 1828242 1948908 2009916 2012148 2164802 2177409 2179827 2310244 2528604 2739321 2742363 2903212 2906436 2923362 3014874 3148639 3247203 3461522 3465366 3652428 3656484 4329604 4354818 4359654 4385043 5192283 5198049 5478642 5484726 5846724 6029748 6297278 6494406 6532227 6539481 6923044 6930732 7508293 8217963 8709636 8719308 8770086 9435439 9445917 9741609 10384566 10396098 10957284 10969452 12594556 12988812 13064454 13078962 14071213 15016586 15576849 15594147 16435926 17540172 18870878 18891834 19483218 19596681 20769132 20792196 22499893 22524879 26128908 26157924 28142426 28306317 28337751 29224827 30033172 31153698 31188294 32871852 33554431 37741756 37783668 38966436 39193362 42213639 44999786 45049758 46730547 56284852 56612634 56675502 58449654 62307396 62376588 67108862 67499679 67574637 78386724 84427278 84918951 85013253 89999572 90099516 93461094 97607809 100663293 113225268 113351004 116899308 126640917 134217724 134999358 135149274 168854556 169837902 170026506 182925769 186922188 195215618 201326586 202499037 202723911 253281834 254756853 269998716 270298548 292498609 292823427 301989879 339675804 340053012 365851538 379922751 390431236 402653172 404998074 405447822 436207603 506563668 509513706 548777307 584997218 585646854 603979758 607497111 731703076 759845502 809996148 810895644 872415206 877495827 878470281 905969637 1019027412 1040187361 1097554614 1169994436 1171293708 1207959516 1214994222 1308622809 1519691004 1646331921 1744830412 1754991654 1756940562 1811939274 2080374722 2195109228 2429988444 2617245618 2632487481 2635410843 3120562083 3292663842 3509983308 3513881124 3623878548 3925868427 4160749444 4938995763 5234491236 5264974962 5270821686 5670698839 6241124166 6585327684 7851736854 7897462443 9361686249 9877991526 10529949924 10541643372 11341397678 11777605281 12482248332 13522435693 15703473708 15794924886 17012096517 18723372498 19755983052 22682795356 23555210562 27044871386 28085058747 31589849772 34024193034 37446744996 40567307079 47110421124 51036289551 54089742772 56170117494 68048386068 81134614158 102072579102 112340234988 121701921237 153108868653 162269228316 175791664009 204145158204 243403842474 306217737306 351583328018 365105763711 486807684948 527374992027 612435474612 703166656036 730211527422 1054749984054 1460423054844 1582124976081 2109499968108 3164249952162 4746374928243 6328499904324 9492749856486 18985499712972
• Sum of all divisors σ(n): 55196259461280
• Sum of proper divisors (its aliquot sum) s(n): 36210759748308
• 18985499712972 is an abundant number, because the sum of its proper divisors (36210759748308) is greater than itself. Its abundance is 17225260035336

Bases of 18985499712972

• Binary: 100010100010001100111111101110101110111001100₂
• Hexadecimal: 0x114467F75DCC
• Base-36: 6Q9TGC630

Squares and roots of 18985499712972

• 18985499712972 squared (18985499712972²) is 360449199351259894385072784
• 18985499712972 cubed (18985499712972³) is 6843308170824331933454374375073328954048
• The square root of 18985499712972 is 4357235.3290787497
• The cube root of 18985499712972 is 26677.2265859853

Scales and comparisons

• 18,985,499,712,972 seconds is equal to 603,680 years, 8 weeks, 4 days, 16 minutes, 12 seconds.
• To count from 1 to 18,985,499,712,972 would take you about one million, five hundred nine thousand, two hundred 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 18985499712972 cubic inches would be around 2223.1 feet tall.

Recreational maths with 18985499712972

• 18985499712972 backwards is 27921799458981
• The number of decimal digits it has is: 14
• The sum of 18985499712972's digits is 81
• More coming soon!