18131545691328

Names of 18131545691328

• Cardinal: 18131545691328 can be written as Eighteen trillion, one hundred thirty-one billion, five hundred forty-five million, six hundred ninety-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8131545691328 × 10¹³

Factors of 18131545691328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 490

Divisors of 18131545691328

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 12 16 23 24 31 32 46 48 62 64 69 92 93 96 124 138 184 186 192 248 276 368 372 431 496 529 552 713 736 744 862 961 992 1058 1104 1293 1426 1472 1488 1587 1724 1922 1984 2116 2139 2208 2586 2852 2883 2976 3174 3448 3844 4232 4278 4416 5172 5704 5766 5952 6348 6896 7688 8464 8556 9913 10344 11408 11532 12696 13361 13792 15376 16399 16928 17112 19826 20688 22103 22816 23064 25392 26722 27584 29739 30752 32798 33856 34224 39652 40083 41376 44206 45632 46128 49197 50784 53444 59478 61504 65596 66309 68448 79304 80166 82752 88412 92256 98394 101568 106888 118956 131192 132618 136896 158608 160332 176824 184512 185761 196788 213776 227999 237912 262384 265236 307303 317216 320664 353648 371522 393576 414191 427552 455998 475824 508369 524768 530472 557283 614606 634432 641328 683997 707296 743044 787152 828382 855104 911996 921909 951648 1016738 1049536 1060944 1114566 1229212 1242573 1282656 1367994 1414592 1486088 1525107 1574304 1656764 1823992 1843818 1903296 2033476 2121888 2229132 2458424 2485146 2565312 2735988 2972176 3050214 3148608 3313528 3647984 3687636 4066952 4243776 4272503 4458264 4916848 4970292 5471976 5758591 5944352 6100428 6627056 7067969 7295968 7375272 8133904 8545006 8916528 9526393 9833696 9940584 10943952 11517182 11888704 12200856 12817509 13254112 14135938 14591936 14750544 16267808 17090012 17275773 17833056 19052786 19667392 19881168 21203907 21887904 23034364 24401712 25635018 26508224 28271876 28579179 29501088 32535616 34180024 34551546 35666112 38105572 39762336 42407814 43775808 46068728 48803424 51270036 56543752 57158358 59002176 68360048 69103092 76211144 79524672 84815628 92137456 97606848 98267569 102540072 113087504 114316716 132447593 136720096 138206184 152422288 169631256 178516321 184274912 196535138 205080144 219107039 226175008 228633432 264895186 273440192 276412368 294802707 304844576 339262512 357032642 368549824 393070276 397342779 410160288 438214078 452350016 457266864 529790372 535548963 552824736 589605414 609689152 657321117 678525024 714065284 786140552 794685558 820320576 876428156 914533728 1059580744 1071097926 1105649472 1179210828 1314642234 1357050048 1428130568 1572281104 1589371116 1752856312 1829067456 2119161488 2142195852 2358421656 2629284468 2856261136 3046294639 3144562208 3178742232 3505712624 4105875383 4238322976 4284391704 4716843312 5258568936 5712522272 6092589278 6289124416 6357484464 7011425248 8211750766 8476645952 8568783408 9138883917 9433686624 10517137872 11425044544 12185178556 12317626149 12714968928 14022850496 16423501532 17137566816 18277767834 18867373248 21034275744 24370357112 24635252298 25429937856 32847003064 34275133632 36555535668 42068551488 48740714224 49270504596 65694006128 73111071336 94435133809 97481428448 98541009192 131388012256 146222142672 188870267618 194962856896 197082018384 262776024512 283305401427 292444285344 377740535236 394164036768 566610802854 584888570688 755481070472 788328073536 1133221605708 1510962140944 2266443211416 3021924281888 4532886422832 6043848563776 9065772845664 18131545691328
• Sum of all divisors σ(n): 51939939755676
• Sum of proper divisors (its aliquot sum) s(n): 33808394064348
• 18131545691328 is an abundant number, because the sum of its proper divisors (33808394064348) is greater than itself. Its abundance is 15676848373020

Bases of 18131545691328

• Binary: 100000111110110010100010101110001010011000000₂
• Hexadecimal: 0x107D945714C0
• Base-36: 6FDIM5TXC

Squares and roots of 18131545691328

• 18131545691328 squared (18131545691328²) is 328752949156714961454403584
• 18131545691328 cubed (18131545691328³) is 5960799118793808210397224903807200919552
• The square root of 18131545691328 is 4258115.2745467095
• The cube root of 18131545691328 is 26271.1011303467

Scales and comparisons

• 18,131,545,691,328 seconds is equal to 576,527 years, 3 weeks, 3 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,131,545,691,328 would take you about one million, four hundred forty-one thousand, three hundred seventeen 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 18131545691328 cubic inches would be around 2189.3 feet tall.

Recreational maths with 18131545691328

• 18131545691328 backwards is 82319654513181
• The number of decimal digits it has is: 14
• The sum of 18131545691328's digits is 57
• More coming soon!