18185798973440

Names of 18185798973440

• Cardinal: 18185798973440 can be written as Eighteen trillion, one hundred eighty-five billion, seven hundred ninety-eight million, nine hundred seventy-three thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.818579897344 × 10¹³

Factors of 18185798973440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 187

Divisors of 18185798973440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 128 140 160 173 196 224 245 256 280 320 343 346 392 448 490 512 560 640 686 692 784 865 896 980 1024 1120 1211 1280 1372 1384 1568 1715 1730 1792 1960 2048 2240 2422 2560 2744 2768 3136 3430 3460 3584 3920 4480 4844 5120 5488 5536 6055 6272 6860 6920 7168 7840 8477 8960 9688 10240 10976 11072 12110 12544 13720 13840 14336 15680 16954 17920 19376 21952 22144 24220 25088 27440 27680 29929 31360 33908 35840 38752 42385 43904 44288 48440 50176 54880 55360 59339 59858 62720 67816 71680 77504 84770 87808 88576 96880 100352 109760 110720 118678 119716 125440 135632 149645 155008 169540 175616 177152 193760 209503 219520 221440 237356 239432 250880 271264 296695 299290 310016 339080 351232 354304 387520 419006 439040 442880 474712 478864 501760 542528 593390 598580 620032 678160 702464 775040 838012 878080 885760 949424 957728 1047515 1085056 1186780 1197160 1240064 1356320 1466521 1550080 1676024 1756160 1771520 1898848 1915456 2095030 2170112 2373560 2394320 2480128 2712640 2933042 3100160 3352048 3512320 3797696 3830912 4190060 4340224 4747120 4788640 5177717 5425280 5866084 6200320 6704096 7332605 7595392 7661824 8380120 8680448 9494240 9577280 10265647 10355434 10850560 11732168 12400640 13408192 14665210 15190784 15323648 16760240 17360896 18988480 19154560 20531294 20710868 21701120 23464336 25888585 26816384 29330420 30381568 30647296 33520480 36244019 37976960 38309120 41062588 41421736 43402240 46928672 51328235 51777170 53632768 58660840 60763136 61294592 67040960 72488038 75953920 76618240 82125176 82843472 86804480 93857344 102656470 103554340 107265536 117321680 121526272 134081920 144976076 151907840 153236480 164250352 165686944 181220095 187714688 205312940 207108680 214531072 234643360 253708133 268163840 289952152 303815680 306472960 328500704 331373888 362440190 375429376 410625880 414217360 429062144 469286720 507416266 536327680 579904304 607631360 657001408 662747776 724880380 750858752 821251760 828434720 938573440 1014832532 1072655360 1159808608 1268540665 1314002816 1325495552 1449760760 1501717504 1642503520 1656869440 1775956931 1877146880 2029665064 2145310720 2319617216 2537081330 2628005632 2650991104 2899521520 3003435008 3285007040 3313738880 3551913862 3754293760 4059330128 4639234432 5074162660 5256011264 5301982208 5799043040 6570014080 6627477760 7103827724 7508587520 8118660256 8879784655 9278468864 10148325320 10512022528 10603964416 11598086080 13140028160 13254955520 14207655448 15017175040 16237320512 17759569310 18556937728 20296650640 21024045056 23196172160 26280056320 26509911040 28415310896 32474641024 35519138620 37113875456 40593301280 46392344320 52560112640 53019822080 56830621792 64949282048 71038277240 74227750912 81186602560 92784688640 105120225280 113661243584 129898564096 142076554480 162373205120 185569377280 227322487168 259797128192 284153108960 324746410240 371138754560 454644974336 519594256384 568306217920 649492820480 909289948672 1136612435840 1298985640960 1818579897344 2273224871680 2597971281920 3637159794688 4546449743360 9092899486720 18185798973440
• Sum of all divisors σ(n): 51182454960000
• Sum of proper divisors (its aliquot sum) s(n): 32996655986560
• 18185798973440 is an abundant number, because the sum of its proper divisors (32996655986560) is greater than itself. Its abundance is 14810857013120

Bases of 18185798973440

• Binary: 100001000101000110110000101100111100000000000₂
• Hexadecimal: 0x108A36167800
• Base-36: 6G2FV5YBK

Squares and roots of 18185798973440

• 18185798973440 squared (18185798973440²) is 330723284302371357825433600
• 18185798973440 cubed (18185798973440³) is 6014467164158770305699429273602883584000
• The square root of 18185798973440 is 4264481.0907588743
• The cube root of 18185798973440 is 26297.2778695715

Scales and comparisons

• 18,185,798,973,440 seconds is equal to 578,252 years, 8 weeks, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,185,798,973,440 would take you about one million, four hundred forty-five thousand, six hundred thirty 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 18185798973440 cubic inches would be around 2191.4 feet tall.

Recreational maths with 18185798973440

• 18185798973440 backwards is 04437989758181
• The number of decimal digits it has is: 14
• The sum of 18185798973440's digits is 74
• More coming soon!