18728706197916

Names of 18728706197916

• Cardinal: 18728706197916 can be written as Eighteen trillion, seven hundred twenty-eight billion, seven hundred six million, one hundred ninety-seven thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 1.8728706197916 × 10¹³

Factors of 18728706197916

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 637

Divisors of 18728706197916

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 18 22 26 27 31 33 36 39 44 52 54 62 66 78 81 93 99 108 117 124 132 143 156 162 186 198 234 243 279 286 297 324 341 351 372 396 403 429 468 486 558 572 577 594 682 702 729 806 837 858 891 961 972 1023 1053 1116 1154 1188 1209 1287 1364 1404 1458 1612 1674 1716 1731 1782 1922 2046 2106 2187 2308 2418 2511 2574 2673 2883 2916 3069 3159 3348 3462 3564 3627 3844 3861 4092 4212 4374 4433 4836 5022 5148 5193 5346 5766 6138 6318 6347 6561 6924 7254 7501 7533 7722 8019 8649 8748 8866 9207 9477 10044 10386 10571 10692 10881 11532 11583 12276 12493 12636 12694 13122 13299 14508 15002 15066 15444 15579 16038 17298 17732 17887 18414 18954 19041 19683 20772 21142 21762 22503 22599 23166 24057 24986 25388 25947 26244 26598 27621 28431 30004 30132 31158 31713 32076 32643 34596 34749 35774 36828 37479 37908 38082 39366 39897 42284 43524 45006 45198 46332 46737 48114 49972 51894 53196 53661 55242 56862 57123 59049 62316 63426 65286 67509 67797 69498 71548 72171 74958 76164 77841 78732 79794 82511 82863 85293 90012 90396 93474 95139 96228 97929 103788 104247 107322 110484 112437 113724 114246 118098 119691 126852 130572 135018 135594 137423 138996 140211 144342 149916 155682 159588 160983 165022 165726 170586 171369 186948 190278 195858 196757 202527 203391 208494 214644 216513 224874 228492 232531 233523 236196 239382 247533 248589 255879 270036 271188 274846 280422 285417 288684 293787 311364 312741 321966 330044 331452 337311 341172 342738 359073 380556 391716 393514 405054 406782 412269 416988 420633 433026 449748 465062 467046 478764 482949 495066 497178 511758 514107 549692 554497 560844 570834 587574 590271 607581 610173 625482 643932 649539 674622 685476 697593 700569 718146 742599 745767 767637 787028 810108 813564 824538 841266 856251 866052 881361 930124 934092 938223 965898 990132 994356 1011933 1023516 1028214 1077219 1108994 1141668 1175148 1180542 1215162 1220346 1236807 1250964 1261899 1299078 1349244 1395186 1401138 1436292 1448847 1485198 1491534 1535274 1542321 1649076 1663491 1682532 1712502 1762722 1770813 1822743 1830519 1876446 1931796 2023866 2056428 2092779 2101707 2154438 2217988 2227797 2237301 2361084 2430324 2440692 2473614 2523798 2557841 2568753 2598156 2644083 2790372 2802276 2814669 2897694 2970396 2983068 3035799 3070548 3084642 3231657 3326982 3425004 3525444 3541626 3645486 3661038 3710421 3752892 3785697 4047732 4185558 4203414 4308876 4346541 4455594 4474602 4626963 4947228 4990473 5047596 5115682 5137506 5288166 5312439 5468229 5629338 5795388 6071598 6099467 6169284 6278337 6305121 6463314 6653964 6683391 6711903 7083252 7208461 7290972 7322076 7420842 7571394 7673523 7706259 7932249 8371116 8406828 8444007 8693082 8911188 8949204 9107397 9253926 9694971 9980946 10231364 10275012 10576332 10624878 10936458 11131263 11258676 11357091 12143196 12198934 12556674 12610242 12926628 13039623 13366782 13423806 13880889 14416922 14841684 14971419 15142788 15347046 15412518 15864498 15937317 16404687 16888014 17386164 18214794 18298401 18507852 18835011 18915363 19389942 19961892 20050173 20135709 21249756 21625383 21872916 22262526 22714182 23020569 23118777 23796747 24397868 25113348 25220484 26079246 26733564 26847612 27322191 27761778 28833844 29084913 29942838 30694092 30825036 31728996 31874634 32809374 33393789 33776028 34071273 36429588 36596802 37670022 37830726 38779884 39118869 40100346 40271418 41642667 43250766 44525052 44914257 45428364 46041138 46237554 47593494 47811951 49214061 52158492 54644382 54895203 55523556 56505033 56746089 58169826 59885676 60150519 63749268 64876149 65618748 66787578 68142546 69061707 69356331 73193604 75340044 75661452 78237738 79293071 80200692 80542836 81966573 83285334 86501532 87254739 89828514 92082276 92475108 95186988 95623902 98428122 100181367 109288764 109790406 113010066 113492178 116339652 117356607 120301038 124928001 129752298 133575156 134742771 136285092 138123414 138712662 143435853 147642183 156475476 158586142 163933146 164685609 166570668 169515099 174509478 179657028 180451557 191247804 194628447 196856244 200362734 207185121 208068993 219580812 226020132 226984356 234713214 237879213 240602076 245899719 249856002 259504596 261764217 269485542 276246828 277425324 286871706 295284366 300544101 317172284 327866292 329371218 339030198 349018956 352069821 360903114 374784003 389256894 400725468 404228313 414370242 416137986 430307559 442926549 469426428 475758426 491799438 494056827 499712004 508545297 523528434 538971084 541354671 573743412 583885341 590568732 601088202 621555363 624206979 658742436 678060396 704139642 713637639 721806228 737699157 749568006 778513788 808456626 828740484 832275972 860615118 885853098 901632303 951516852 983598876 988113654 1017090594 1047056868 1056209463 1082709342 1167770682 1202176404 1212684939 1243110726 1248413958 1290922677 1408279284 1427275278 1475398314 1482170481 1499136012 1525635891 1616913252 1624064013 1721230236 1751656023 1771706196 1803264606 1864666089 1976227308 2034181188 2112418926 2140912917 2165418684 2335541364 2425369878 2486221452 2496827916 2581845354 2704896909 2854550556 2950796628 2964340962 3051271782 3248128026 3503312046 3606529212 3638054817 3729332178 3872768031 4224837852 4281825834 4446511443 4576907673 4850739756 4872192039 5163690708 5254968069 5409793818 5593998267 5928681924 6102543564 6422738751 6496256052 7006624092 7276109634 7458664356 7745536062 8114690727 8563651668 8893022886 9153815346 9744384078 10509936138 10819587636 10914164451 11187996534 11618304093 12845477502 13339534329 13730723019 14552219268 15491072124 15764904207 16229381454 16781994801 17786045772 18307630692 19268216253 19488768156 21019872276 21828328902 22375993068 23236608186 25690955004 26679068658 27461446038 31529808414 32458762908 32742493353 33563989602 38536432506 40018602987 43656657804 46473216372 47294712621 50345984403 53358137316 54922892076 57804648759 63059616828 65484986706 67127979204 77072865012 80037205974 94589425242 100691968806 115609297518 120055808961 130969973412 141884137863 151037953209 160074411948 173413946277 189178850484 201383937612 231218595036 240111617922 283768275726 302075906418 346827892554 360167426883 425652413589 480223235844 520241838831 567536551452 604151812836 693655785108 720334853766 851304827178 1040483677662 1440669707532 1560725516493 1702609654356 2080967355324 3121451032986 4682176549479 6242902065972 9364353098958 18728706197916
• Sum of all divisors σ(n): 59784109306992
• Sum of proper divisors (its aliquot sum) s(n): 41055403109076
• 18728706197916 is an abundant number, because the sum of its proper divisors (41055403109076) is greater than itself. Its abundance is 22326696911160

Bases of 18728706197916

• Binary: 100010000100010011101111000010100100110011100₂
• Hexadecimal: 0x11089DE1499C
• Base-36: 6MZUK3XR0

Squares and roots of 18728706197916

• 18728706197916 squared (18728706197916²) is 350764435847857192562743056
• 18728706197916 cubed (18728706197916³) is 6569364063672272174757505372613390671296
• The square root of 18728706197916 is 4327667.5239574493
• The cube root of 18728706197916 is 26556.4035128295

Scales and comparisons

• 18,728,706,197,916 seconds is equal to 595,514 years, 48 weeks, 20 hours, 18 minutes, 36 seconds.
• To count from 1 to 18,728,706,197,916 would take you about one million, four hundred eighty-eight thousand, seven hundred eighty-seven 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 18728706197916 cubic inches would be around 2213 feet tall.

Recreational maths with 18728706197916

• 18728706197916 backwards is 61979160782781
• The number of decimal digits it has is: 14
• The sum of 18728706197916's digits is 72
• More coming soon!