18164678941728

Names of 18164678941728

• Cardinal: 18164678941728 can be written as Eighteen trillion, one hundred sixty-four billion, six hundred seventy-eight million, nine hundred forty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8164678941728 × 10¹³

Factors of 18164678941728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 112

Divisors of 18164678941728

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 22 24 32 33 34 36 44 48 51 66 68 72 79 88 96 99 102 121 132 136 144 153 158 176 187 198 204 237 242 264 272 288 289 306 316 352 363 374 396 408 474 484 528 544 561 578 612 632 711 726 748 792 816 867 869 948 968 1056 1089 1122 1156 1224 1264 1343 1422 1452 1496 1584 1632 1683 1734 1738 1896 1936 2057 2178 2244 2312 2448 2528 2601 2607 2686 2844 2904 2992 3168 3179 3366 3468 3476 3792 3872 4029 4114 4356 4488 4624 4896 4913 5202 5214 5372 5688 5808 5984 6171 6241 6358 6732 6936 6952 7584 7821 8058 8228 8712 8976 9248 9537 9559 9826 10404 10428 10744 11376 11616 12087 12342 12482 12716 13464 13872 13904 14739 14773 15642 16116 16456 17424 17952 18513 18723 19074 19118 19652 20808 20856 21488 22752 22831 24174 24684 24964 25432 26928 27744 27808 28611 28677 29478 29546 31284 32232 32912 34848 34969 37026 37446 38148 38236 39304 41616 41712 42976 44217 44319 45662 48348 49368 49928 50864 53856 54043 56169 57222 57354 58956 59092 62568 64464 65824 68493 68651 69938 74052 74892 76296 76472 78608 83232 83424 83521 86031 88434 88638 91324 96696 98736 99856 101728 104907 106097 108086 112338 114444 114708 117912 118184 125136 128928 132957 136986 137302 139876 148104 149784 152592 152944 157216 162129 162503 167042 172062 176868 177276 182648 193392 197472 199712 205479 205953 209814 212194 216172 224676 228888 229416 235824 236368 250272 250563 251141 265914 273972 274604 279752 296208 299568 305184 305888 314721 318291 324258 325006 334084 344124 353736 354552 365296 386784 388127 410958 411906 419628 424388 432344 449352 457776 458832 471648 472736 486387 487509 501126 502282 531828 547944 549208 559504 592416 594473 599136 617859 629442 636582 648516 650012 668168 688248 707472 709104 730592 751689 753423 755161 776254 821916 823812 839256 848776 864688 898704 915552 917664 918731 954873 972774 975018 1002252 1004564 1063656 1095888 1098416 1119008 1164381 1167067 1188946 1235718 1258884 1273164 1297032 1300024 1336336 1376496 1414944 1418208 1462527 1503378 1506846 1510322 1552508 1643832 1647624 1678512 1697552 1729376 1783419 1797408 1803649 1837462 1909746 1945548 1950036 2004504 2009128 2127312 2191776 2196832 2260269 2265483 2328762 2334134 2377892 2471436 2517768 2546328 2594064 2600048 2672672 2752992 2756193 2762551 2925054 3006756 3013692 3020644 3105016 3287664 3295248 3357024 3395104 3493143 3501201 3566838 3607298 3674924 3819492 3891096 3900072 4009008 4018256 4254624 4269397 4520538 4530966 4657524 4668268 4755784 4942872 5035536 5092656 5188128 5200096 5350257 5410947 5512386 5525102 5850108 6013512 6027384 6041288 6210032 6575328 6590496 6598159 6796449 6986286 7002402 7133676 7214596 7349848 7638984 7782192 7800144 8018016 8036512 8268579 8287653 8538794 9041076 9061932 9315048 9336536 9511568 9885744 10071072 10106041 10185312 10503603 10700514 10821894 11024772 11050204 11700216 12027024 12054768 12082576 12420064 12808191 12837737 13196318 13592898 13972572 14004804 14267352 14429192 14699696 15277968 15564384 15600288 16232841 16537158 16575306 17077588 18082152 18123864 18630096 18673072 19023136 19771488 19794477 19840139 20212082 21007206 21401028 21643788 22049544 22100408 23400432 24054048 24109536 24165152 24862959 25616382 25675474 26392636 27185796 27945144 28009608 28534704 28858384 29399392 30318123 30555936 30662033 32465682 33074316 33150612 34155176 36164304 36247728 37260192 37346144 38424573 38513211 39588954 39680278 40424164 42014412 42802056 43287576 44099088 44200816 46800864 46963367 49725918 51232764 51350948 52785272 54371592 55890288 56019216 57069408 57716768 59383431 59520417 60636246 61324066 64931364 66148632 66301224 68310352 72328608 72495456 72579749 76849146 77026422 79177908 79360556 80848328 84028824 85604112 86575152 88198176 88401632 90954369 91986099 93926734 99451836 102465528 102701896 105570544 108743184 111780576 112038432 115539633 118766862 119040834 121272492 122648132 129862728 132297264 132602448 136620704 140890101 145159498 153698292 154052844 158355816 158721112 161696656 168057648 171208224 173150304 178561251 181908738 183972198 187853468 198903672 204931056 205403792 211141088 217486368 217739247 218241529 231079266 237533724 238081668 242544984 245296264 259725456 264594528 265204896 275958297 281780202 290318996 307396584 308105688 316711632 317442224 323393312 336115296 337282363 357122502 363817476 367944396 375706936 397807344 409862112 410807584 422670303 435478494 436483058 462158532 475067448 476163336 485089968 490592528 519450912 521254561 551916594 563560404 580637992 614793168 616211376 633423264 634884448 653217741 654724587 674564726 714245004 727634952 735888792 751413872 795614688 798377239 845340606 870956988 872966116 924317064 950134896 952326672 970179936 981185056 1011847089 1042509122 1103833188 1127120808 1161275984 1229586336 1232422752 1306435482 1309449174 1349129452 1428490008 1455269904 1471777584 1502827744 1563763683 1596754478 1690681212 1741913976 1745932232 1848634128 1900269792 1904653344 1964173761 2023694178 2085018244 2207666376 2254241616 2322551968 2395131717 2612870964 2618898348 2698258904 2856980016 2910539808 2943555168 3035541267 3127527366 3193508956 3381362424 3483827952 3491864464 3697268256 3710105993 3928347522 4047388356 4170036488 4415332752 4508483232 4691291049 4790263434 5225741928 5237796696 5396517808 5713960032 5733800171 6071082534 6255054732 6387017912 6762724848 6967655904 6983728928 7185395151 7420211986 7856695044 8094776712 8340072976 8830665504 9382582098 9580526868 10451483856 10475593392 10793035616 11130317979 11467600342 12142165068 12510109464 12774035824 13525449696 14370790302 14840423972 15713390088 16189553424 16680145952 17201400513 18765164196 19161053736 20902967712 20951186784 22260635958 22935200684 24284330136 25020218928 25548071648 28741580604 29680847944 31426780176 32379106848 33390953937 34402801026 37530328392 38322107472 44521271916 45870401368 48568660272 50040437856 51604201539 57483161208 59361695888 62853560352 63071801881 66781907874 68805602052 75060656784 76644214944 89042543832 91740802736 97137320544 103208403078 114966322416 118723391776 126143603762 133563815748 137611204104 150121313568 178085087664 183481605472 189215405643 206416806156 229932644832 252287207524 267127631496 275222408208 356170175328 378430811286 412833612312 504574415048 534255262992 550444816416 567646216929 756861622572 825667224624 1009148830096 1068510525984 1135292433858 1513723245144 1651334449248 2018297660192 2270584867716 3027446490288 4541169735432 6054892980576 9082339470864 18164678941728
• Sum of all divisors σ(n): 61100624823147
• Sum of proper divisors (its aliquot sum) s(n): 42935945881419
• 18164678941728 is an abundant number, because the sum of its proper divisors (42935945881419) is greater than itself. Its abundance is 24771266939691

Bases of 18164678941728

• Binary: 100001000010101001011001111000101110000100000₂
• Hexadecimal: 0x10854B3C5C20
• Base-36: 6FSQKUDK0

Squares and roots of 18164678941728

• 18164678941728 squared (18164678941728²) is 329955561056056654019625984
• 18164678941728 cubed (18164678941728³) is 5993536831620999672222032356387490660352
• The square root of 18164678941728 is 4262004.0992152975
• The cube root of 18164678941728 is 26287.0938337375

Scales and comparisons

• 18,164,678,941,728 seconds is equal to 577,580 years, 31 weeks, 2 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,164,678,941,728 would take you about one million, four hundred forty-three thousand, nine hundred fifty-one 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 18164678941728 cubic inches would be around 2190.6 feet tall.

Recreational maths with 18164678941728

• 18164678941728 backwards is 82714987646181
• 18164678941728 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18164678941728's digits is 72
• More coming soon!