18491122495872

Names of 18491122495872

• Cardinal: 18491122495872 can be written as Eighteen trillion, four hundred ninety-one billion, one hundred twenty-two million, four hundred ninety-five thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8491122495872 × 10¹³

Factors of 18491122495872

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 15029

Divisors of 18491122495872

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 37 39 48 52 54 64 72 74 78 81 83 96 104 108 111 117 128 144 148 156 162 166 192 208 216 222 234 243 249 288 296 312 324 332 333 351 384 416 432 444 468 481 486 498 576 592 624 648 664 666 702 747 832 864 888 936 962 972 996 999 1053 1079 1152 1184 1248 1296 1328 1332 1404 1443 1494 1664 1728 1776 1872 1924 1944 1992 1998 2106 2158 2241 2368 2496 2592 2656 2664 2808 2886 2988 2997 3071 3159 3237 3456 3552 3744 3848 3888 3984 3996 4212 4316 4329 4482 4736 4992 5184 5312 5328 5616 5772 5976 5994 6142 6318 6474 6723 7104 7488 7696 7776 7968 7992 8424 8632 8658 8964 8991 9213 9711 10368 10624 10656 11232 11544 11952 11988 12284 12636 12948 12987 13446 14208 14891 14976 15392 15552 15936 15984 16848 17264 17316 17928 17982 18426 19422 20169 21312 22464 23088 23904 23976 24568 25272 25896 25974 26892 27639 29133 29782 30784 31104 31872 31968 33696 34528 34632 35856 35964 36852 38844 38961 39923 40338 42624 44673 44928 46176 47808 47952 49136 50544 51792 51948 53784 55278 58266 59564 61568 63936 67392 69056 69264 71712 71928 73704 77688 77922 79846 80676 82917 87399 89346 92352 95616 95904 98272 101088 103584 103896 107568 110556 116532 116883 119128 119769 127872 134019 134784 138112 138528 143424 143856 147408 155376 155844 159692 161352 165834 174798 178692 184704 191808 193583 196544 202176 207168 207792 215136 221112 233064 233766 238256 239538 248751 262197 268038 277056 286848 287712 294816 310752 311688 319384 322704 331668 349596 357384 359307 383616 387166 393088 402057 404352 414336 415584 430272 442224 466128 467532 476512 479076 497502 524394 536076 550967 554112 575424 580749 589632 621504 623376 638768 645408 663336 699192 714768 718614 746253 774332 804114 831168 860544 884448 932256 935064 953024 958152 995004 1048788 1072152 1077921 1101934 1150848 1161498 1179264 1206171 1235953 1243008 1246752 1277536 1290816 1326672 1398384 1429536 1437228 1492506 1548664 1608228 1652901 1662336 1742247 1768896 1864512 1870128 1906048 1916304 1990008 2097576 2144304 2155842 2203868 2322996 2412342 2471906 2493504 2555072 2581632 2653344 2796768 2859072 2874456 2985012 3097328 3216456 3233763 3305802 3484494 3537792 3618513 3707859 3729024 3740256 3832608 3980016 4195152 4288608 4311684 4407736 4645992 4824684 4943812 4958703 4987008 5110144 5226741 5306688 5593536 5718144 5748912 5970024 6194656 6432912 6467526 6611604 6968988 7162571 7237026 7415718 7480512 7665216 7960032 8390304 8577216 8623368 8815472 9291984 9649368 9701289 9887624 9917406 10453482 10613376 11123577 11187072 11497824 11940048 12389312 12865824 12935052 13223208 13937976 14325142 14474052 14831436 14876109 14961024 15330432 15680223 15920064 16067389 16780608 17154432 17246736 17630944 18583968 19298736 19402578 19775248 19834812 20906964 21487713 22247154 22995648 23880096 24778624 25731648 25870104 26446416 27875952 28650284 28948104 29662872 29752218 31360446 31840128 32134778 33370731 33561216 34493472 35261888 37167936 38597472 38805156 39550496 39669624 41813928 42975426 44494308 44628327 45730261 45991296 47040669 47760192 48202167 51463296 51740208 52892832 55751904 57300568 57896208 59325744 59504436 62720892 64269556 64463139 66741462 68986944 70523776 74335872 77194944 77610312 79100992 79339248 83627856 85950852 88988616 89256654 91460522 94081338 95520384 96404334 100112193 103480416 105785664 111503808 114601136 115792416 118651488 119008872 125441784 128539112 128926278 133482924 133884981 137190783 137973888 144606501 154389888 155220624 158201984 158678496 167255712 171901704 177977232 178513308 182921044 188162676 192808668 193389417 200224386 206960832 211571328 223007616 229202272 231584832 237302976 238017744 250883568 257078224 257852556 266965848 267769962 274381566 289213002 300336579 310441248 317356992 334511424 343803408 355954464 357026616 365842088 376325352 385617336 386778834 400448772 411572349 413921664 433819503 458404544 463169664 474605952 476035488 501767136 514156448 515705112 533931696 535539924 548763132 578426004 580168251 594493393 600673158 620882496 634713984 669022848 687606816 711908928 714053232 731684176 752650704 771234672 773557668 800897544 823144698 867639006 916809088 952070976 1003534272 1028312896 1031410224 1067863392 1071079848 1097526264 1156852008 1160336502 1188986786 1201346316 1234717047 1241764992 1301458509 1375213632 1423817856 1428106464 1463368352 1505301408 1542469344 1547115336 1601795088 1646289396 1735278012 1740504753 1783480179 1904141952 2007068544 2056625792 2062820448 2135726784 2142159696 2195052528 2313704016 2320673004 2377973572 2402692632 2469434094 2602917018 2750427264 2856212928 2926736704 3010602816 3084938688 3094230672 3203590176 3292578792 3470556024 3481009506 3566960358 3704151141 3904375527 4125640896 4271453568 4284319392 4390105056 4627408032 4641346008 4755947144 4805385264 4938868188 5205834036 5350440537 5712425856 5853473408 6021205632 6169877376 6188461344 6407180352 6585157584 6941112048 6962019012 7133920716 7408302282 7808751054 8251281792 8568638784 8780210112 9254816064 9282692016 9511894288 9610770528 9877736376 10411668072 10700881074 11112453423 12376922688 12814360704 13170315168 13882224096 13924038024 14267841432 14816604564 15617502108 16051321611 17137277568 17560420224 18509632128 18565384032 19023788576 19221541056 19755472752 20823336144 21401762148 22224906846 24753845376 26340630336 27764448192 27848076048 28535682864 29633209128 31235004216 32102643222 37130768064 38047577152 38443082112 39510945504 41646672288 42803524296 44449813692 48153964833 52681260672 55528896384 55696152096 57071365728 59266418256 62470008432 64205286444 74261536128 76095154304 79021891008 83293344576 85607048592 88899627384 96307929666 111392304192 114142731456 118532836512 124940016864 128410572888 144461894499 158043782016 166586689152 171214097184 177799254768 192615859332 222784608384 228285462912 237065673024 249880033728 256821145776 288923788998 342428194368 355598509536 385231718664 474131346048 499760067456 513642291552 577847577996 684856388736 711197019072 770463437328 1027284583104 1155695155992 1422394038144 1540926874656 2054569166208 2311390311984 3081853749312 4622780623968 6163707498624 9245561247936 18491122495872
• Sum of all divisors σ(n): 61771124862720
• Sum of proper divisors (its aliquot sum) s(n): 43280002366848
• 18491122495872 is an abundant number, because the sum of its proper divisors (43280002366848) is greater than itself. Its abundance is 24788879870976

Bases of 18491122495872

• Binary: 100001101000101001100110010011011000110000000₂
• Hexadecimal: 0x10D14CC9B180
• Base-36: 6JYPCWO00

Squares and roots of 18491122495872

• 18491122495872 squared (18491122495872²) is 341921611157343542657040384
• 18491122495872 cubed (18491122495872³) is 6322514395896353810997795083902777294848
• The square root of 18491122495872 is 4300130.5207949211
• The cube root of 18491122495872 is 26443.6312180057

Scales and comparisons

• 18,491,122,495,872 seconds is equal to 587,960 years, 25 weeks, 6 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,491,122,495,872 would take you about one million, four hundred sixty-nine thousand, nine hundred 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 18491122495872 cubic inches would be around 2203.6 feet tall.

Recreational maths with 18491122495872

• 18491122495872 backwards is 27859422119481
• The number of decimal digits it has is: 14
• The sum of 18491122495872's digits is 63
• More coming soon!