18428278037598208

Names of 18428278037598208

• Cardinal: 18428278037598208 can be written as Eighteen quadrillion, four hundred twenty-eight trillion, two hundred seventy-eight billion, thirty-seven million, five hundred ninety-eight thousand, two hundred eight.

Scientific notation

• Scientific notation: 1.8428278037598208 × 10¹⁶

Factors of 18428278037598208

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 74

Divisors of 18428278037598208

• Number of divisors d(n): 390
• Complete list of divisors:
  1 2 4 8 13 16 26 32 52 59 64 104 118 128 169 208 236 256 338 416 472 512 676 767 832 944 1024 1352 1534 1664 1888 2048 2197 2704 3068 3328 3481 3776 4096 4394 5408 6136 6656 6962 7552 8788 9971 10816 12272 13312 13924 15104 17576 19942 21632 24544 26624 27848 28561 30208 35152 39884 43264 45253 49088 53248 55696 57122 60416 70304 79768 86528 90506 98176 111392 114244 120832 129623 140608 159536 173056 181012 196352 205379 222784 228488 241664 259246 281216 319072 346112 362024 371293 392704 410758 445568 456976 518492 562432 588289 638144 692224 724048 742586 785408 821516 891136 913952 1036984 1124864 1176578 1276288 1448096 1485172 1570816 1643032 1685099 1782272 1827904 2073968 2249728 2353156 2552576 2669927 2896192 2970344 3141632 3286064 3370198 3564544 3655808 4147936 4499456 4706312 5105152 5339854 5792384 5940688 6572128 6740396 7129088 7311616 7647757 8295872 8998912 9412624 10210304 10679708 11584768 11881376 12117361 13144256 13480792 14258176 14623232 15295514 16591744 18825248 20420608 21359416 21906287 23169536 23762752 24234722 26288512 26961584 29246464 30591028 33183488 34709051 37650496 40841216 42718832 43812574 46339072 47525504 48469444 52577024 53923168 58492928 61182056 66366976 69418102 75300992 85437664 87625148 92678144 95051008 96938888 99420841 105154048 107846336 116985856 122364112 132733952 138836204 150601984 157525693 170875328 175250296 185356288 190102016 193877776 198841682 210308096 215692672 244728224 265467904 277672408 301203968 315051386 341750656 350500592 380204032 387755552 397683364 420616192 431385344 451217663 489456448 530935808 555344816 602407936 630102772 683501312 701001184 760408064 775511104 795366728 841232384 862770688 902435326 978912896 1110689632 1204815872 1260205544 1292470933 1367002624 1402002368 1520816128 1551022208 1590733456 1725541376 1804870652 1957825792 2047834009 2221379264 2409631744 2520411088 2584941866 2734005248 2804004736 3102044416 3181466912 3451082752 3609741304 3915651584 4095668018 4442758528 5040822176 5169883732 5468010496 5608009472 5865829619 6204088832 6362933824 6902165504 7219482608 7831303168 8191336036 8885517056 10081644352 10339767464 10936020992 11216018944 11731659238 12408177664 12725867648 14438965216 15662606336 16382672072 17771034112 20163288704 20679534928 22432037888 23463318476 24816355328 25451735296 26621842117 28877930432 31325212672 32765344144 35542068224 40326577408 41359069856 44864075776 46926636952 49632710656 50903470592 53243684234 57755860864 65530688288 71084136448 76255785047 80653154816 82718139712 89728151552 93853273904 101806941184 106487368468 115511721728 131061376576 142168272896 152511570094 161306309632 165436279424 187706547808 203613882368 212974736936 231023443456 262122753152 305023140188 322612619264 330872558848 346083947521 375413095616 407227764736 425949473872 462046886912 524245506304 610046280376 645225238528 661745117696 692167895042 750826191232 851898947744 924093773824 1048491012608 1220092560752 1323490235392 1384335790084 1501652382464 1703797895488 1848187547648 2096982025216 2440185121504 2646980470784 2768671580168 3003304764928 3407595790976 4193964050432 4499091317773 4880370243008 5293960941568 5537343160336 6006609529856 6815191581952 8387928100864 8998182635546 9760740486016 11074686320672 12013219059712 13630383163904 17996365271092 19521480972032 22149372641344 24026438119424 27260766327808 35992730542184 39042961944064 44298745282688 54521532655616 71985461084368 78085923888128 88597490565376 109043065311232 143970922168736 156171847776256 177194981130752 287941844337472 312343695552512 354389962261504 575883688674944 708779924523008 1151767377349888 1417559849046016 2303534754699776 4607069509399552 9214139018799104 18428278037598208
• Sum of all divisors σ(n): 40611381912577014
• Sum of proper divisors (its aliquot sum) s(n): 22183103874978806
• 18428278037598208 is an abundant number, because the sum of its proper divisors (22183103874978806) is greater than itself. Its abundance is 3754825837380598

Bases of 18428278037598208

• Binary: 1000001011110000110101111010110010000001101000000000000₂
• Hexadecimal: 0x41786BD640D000
• Base-36: 51GA223JOXS

Squares and roots of 18428278037598208

• 18428278037598208 squared (18428278037598208²) is 339601431431024460065273244811264
• 18428278037598208 cubed (18428278037598208³) is 6258269600377261830924148803965867558640824614912
• The square root of 18428278037598208 is 135750793.8746518273
• The cube root of 18428278037598208 is 264136.3985510661

Scales and comparisons

• 18,428,278,037,598,208 seconds is equal to 585,962,239 years, 9 weeks, 5 days, 19 hours, 3 minutes, 28 seconds.
• To count from 1 to 18,428,278,037,598,208 would take you about one billion, seven hundred fifty-seven million, eight hundred eighty-six thousand, seven 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 18428278037598208 cubic inches would be around 22011.4 feet tall.

Recreational maths with 18428278037598208

• 18428278037598208 backwards is 80289573087282481
• The number of decimal digits it has is: 17
• The sum of 18428278037598208's digits is 82
• More coming soon!