18045281449728

Names of 18045281449728

• Cardinal: 18045281449728 can be written as Eighteen trillion, forty-five billion, two hundred eighty-one million, four hundred forty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8045281449728 × 10¹³

Factors of 18045281449728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 334

Divisors of 18045281449728

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 23 24 26 32 36 39 46 48 52 64 69 72 78 92 96 104 117 128 138 144 156 169 184 192 207 208 234 256 276 288 293 299 312 338 368 384 414 416 468 507 529 552 576 586 598 624 676 736 768 828 832 879 897 936 1014 1058 1104 1152 1172 1196 1248 1352 1472 1521 1587 1656 1664 1758 1794 1872 2028 2116 2197 2208 2304 2344 2392 2496 2637 2691 2704 2944 3042 3174 3312 3328 3516 3588 3744 3809 3887 4056 4232 4394 4416 4688 4761 4784 4992 5274 5382 5408 5888 6084 6348 6591 6624 6739 6877 7032 7176 7488 7618 7774 8112 8464 8788 8832 9376 9522 9568 9984 10548 10764 10816 11427 11661 12167 12168 12696 13182 13248 13478 13754 14064 14352 14976 15236 15548 16224 16928 17576 17664 18752 19044 19136 19773 20217 20631 21096 21528 21632 22854 23322 24334 24336 25392 26364 26496 26956 27508 28128 28704 29952 30472 31096 32448 33856 34281 34983 35152 36501 37504 38088 38272 39546 40434 41262 42192 43056 43264 45708 46644 48668 48672 49517 50531 50784 52728 52992 53912 55016 56256 57408 60651 60944 61893 62192 64896 67712 68562 69966 70304 73002 75008 76176 76544 79092 80868 82524 84384 86112 87607 89401 91416 93288 97336 97344 99034 101062 101568 105456 107824 109503 110032 112512 114816 121302 121888 123786 124384 129792 135424 137124 139932 140608 146004 148551 151593 152352 154997 158171 158184 161736 165048 168768 172224 175214 178802 182832 186576 194672 194688 198068 202124 203136 210912 215648 219006 220064 225024 229632 242604 243776 247572 248768 262821 268203 274248 279864 281216 292008 297102 303186 304704 309994 316342 316368 323472 330096 337536 344448 350428 357604 365664 373152 389344 389376 396136 404248 406272 421824 431296 438012 440128 445653 454779 464991 474513 485208 487552 495144 497536 525642 536406 548496 559728 562432 584016 594204 606372 609408 619988 632684 632736 643721 646944 660192 675072 688896 700856 715208 731328 746304 778688 788463 792272 804609 808496 843648 862592 876024 880256 891306 909558 929982 949026 970416 975104 990288 995072 1051284 1072812 1096992 1119456 1138891 1162213 1168032 1188408 1212744 1218816 1239976 1265368 1265472 1287442 1293888 1320384 1394973 1401712 1423539 1430416 1462656 1492608 1557376 1576926 1584544 1609218 1616992 1687296 1725184 1752048 1760512 1782612 1819116 1859964 1898052 1931163 1940832 1980576 2014961 2056223 2102568 2145624 2193984 2238912 2277782 2324426 2336064 2376816 2425488 2479952 2530736 2530944 2574884 2587776 2640768 2789946 2803424 2847078 2860832 2925312 2985216 3114752 3153852 3169088 3218436 3233984 3416673 3486639 3504096 3564931 3565224 3638232 3719928 3796104 3862326 3881664 3961152 4029922 4112446 4205136 4291248 4387968 4477824 4555564 4648852 4672128 4753632 4850976 4959904 5061472 5061888 5149768 5175552 5281536 5579892 5606848 5694156 5721664 5793489 6044883 6168669 6307704 6338176 6436872 6467968 6833346 6973278 7008192 7129862 7130448 7276464 7439856 7592208 7724652 7763328 7922304 8059844 8224892 8410272 8582496 8775936 8955648 9111128 9297704 9344256 9507264 9701952 9919808 10122944 10250019 10299536 10459917 10694793 11159784 11213696 11388312 11443328 11586978 12089766 12337338 12615408 12676352 12873744 12935936 13666692 13946556 14016384 14259724 14260896 14552928 14805583 14879712 15184416 15449304 15526656 15844608 16119688 16449784 16820544 17164992 18134649 18222256 18506007 18595408 19014528 19403904 19839616 20245888 20500038 20599072 20919834 21389586 22319568 22427392 22776624 22886656 23173956 24179532 24674676 25230816 25747488 26194493 26730899 27333384 27893112 28032768 28519448 28521792 29105856 29611166 29759424 30368832 30898608 32084379 32239376 32899568 33641088 34329984 36269298 36444512 37012014 37190816 38029056 38807808 39679232 40491776 41000076 41198144 41839668 42779172 44416749 44639136 45553248 46344103 46347912 48359064 49349352 50461632 51494976 52388986 53461798 54666768 55786224 57038896 57043584 58211712 59222332 59518848 60737664 61797216 64168758 64478752 65799136 67282176 68659968 72538596 72889024 74024028 74381632 78583479 80192697 82000152 82396288 83679336 85558344 88833498 89278272 91106496 92688206 92695824 96718128 98698704 100923264 102989952 104777972 106923596 109333536 111572448 114077792 114087168 116423424 118444664 119037696 121475328 123594432 128337516 128957504 131598272 133250247 139032309 145077192 145778048 148048056 148763264 157166958 160385394 164000304 164792576 167358672 171116688 177666996 178556544 182212992 185376412 185391648 193436256 197397408 201846528 205979904 209555944 213847192 218667072 223144896 228155584 235750437 236889328 240578091 247188864 256675032 257915008 263196544 266500494 278064618 290154384 291556096 296096112 297526528 314333916 320770788 328000608 334717344 340528409 342233376 355333992 357113088 364425984 370752824 370783296 386872512 394794816 417096927 419111888 427694384 437334144 446289792 456311168 471500874 473778656 481156182 494377728 513350064 515830016 526393088 533000988 556129236 580308768 592192224 602473339 628667832 641541576 656001216 669434688 681056818 684466752 710667984 741505648 741566592 773745024 789589632 834193854 838223776 855388768 874668288 892579584 912622336 943001748 947557312 962312364 1021585227 1026700128 1066001976 1112258472 1160617536 1184384448 1204946678 1257335664 1283083152 1312002432 1338869376 1362113636 1368933504 1421335968 1483011296 1483133184 1547490048 1579179264 1668387708 1676447552 1710777536 1807420017 1886003496 1895114624 1924624728 2043170454 2053400256 2132003952 2224516944 2321235072 2368768896 2409893356 2514671328 2566166304 2624004864 2677738752 2724227272 2737867008 2842671936 2966022592 3064755681 3336775416 3352895104 3421555072 3614840034 3772006992 3790229248 3849249456 4086340908 4106800512 4264007904 4449033888 4642470144 4737537792 4819786712 5029342656 5132332608 5422260051 5448454544 5685343872 5932045184 6129511362 6673550832 6705790208 6843110144 7229680068 7544013984 7698498912 7832153407 8172681816 8213601024 8528015808 8898067776 9639573424 10058685312 10264665216 10844520102 10896909088 11370687744 11864090368 12259022724 13347101664 14459360136 15088027968 15396997824 15664306814 16345363632 17056031616 17796135552 19279146848 20117370624 20529330432 21689040204 21793818176 23496460221 24518045448 26694203328 28918720272 30176055936 30793995648 31328613628 32690727264 34112063232 35592271104 38558293696 43378080408 43587636352 46992920442 49036090896 53388406656 57837440544 60352111872 61587991296 62657227256 65381454528 70489380663 77116587392 86756160816 87175272704 93985840884 98072181792 106776813312 115674881088 125314454512 130762909056 140978761326 154233174784 173512321632 187971681768 196144363584 231349762176 250628909024 261525818112 281957522652 347024643264 375943363536 392288727168 462699524352 501257818048 563915045304 694049286528 751886727072 784577454336 1002515636096 1127830090608 1388098573056 1503773454144 2005031272192 2255660181216 3007546908288 4511320362432 6015093816576 9022640724864 18045281449728
• Sum of all divisors σ(n): 59125612291200
• Sum of proper divisors (its aliquot sum) s(n): 41080330841472
• 18045281449728 is an abundant number, because the sum of its proper divisors (41080330841472) is greater than itself. Its abundance is 23035049391744

Bases of 18045281449728

• Binary: 100000110100101111110100101110011011100000000₂
• Hexadecimal: 0x10697E973700
• Base-36: 6E9VYNR40

Squares and roots of 18045281449728

• 18045281449728 squared (18045281449728²) is 325632182599897469391273984
• 18045281449728 cubed (18045281449728³) is 5876124384104370622641127103668370276352
• The square root of 18045281449728 is 4247973.8052073717
• The cube root of 18045281449728 is 26229.3716453375

Scales and comparisons

• 18,045,281,449,728 seconds is equal to 573,784 years, 6 weeks, 6 days, 4 hours, 28 minutes, 48 seconds.
• To count from 1 to 18,045,281,449,728 would take you about one million, four hundred thirty-four thousand, four hundred sixty 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 18045281449728 cubic inches would be around 2185.8 feet tall.

Recreational maths with 18045281449728

• 18045281449728 backwards is 82794418254081
• The number of decimal digits it has is: 14
• The sum of 18045281449728's digits is 63
• More coming soon!