18564995998640

Names of 18564995998640

• Cardinal: 18564995998640 can be written as Eighteen trillion, five hundred sixty-four billion, nine hundred ninety-five million, nine hundred ninety-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.856499599864 × 10¹³

Factors of 18564995998640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 262776

Divisors of 18564995998640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 35 38 40 49 52 56 65 70 73 76 80 91 95 98 104 112 130 133 140 146 152 182 190 196 208 245 247 260 266 280 292 304 364 365 380 392 455 490 494 511 520 532 560 584 637 665 728 730 760 784 910 931 949 980 988 1022 1040 1064 1168 1235 1274 1330 1387 1456 1460 1520 1729 1820 1862 1898 1960 1976 2044 2128 2470 2548 2555 2660 2774 2920 3185 3458 3577 3640 3724 3796 3920 3952 4088 4655 4745 4940 5096 5110 5320 5548 5840 6370 6643 6916 6935 7154 7280 7448 7592 8176 8645 9310 9490 9709 9880 10192 10220 10640 11096 12103 12740 13286 13832 13870 14308 14896 15184 17290 17885 18031 18620 18980 19418 19760 20440 22192 24206 25480 26572 27664 27740 28616 33215 34580 35770 36062 37240 37960 38836 40880 46501 48412 48545 50960 53144 55480 57232 60515 66430 67963 69160 71540 72124 74480 75920 77672 90155 93002 96824 97090 106288 110960 121030 126217 132860 135926 138320 143080 144248 155344 180310 186004 193648 194180 232505 242060 252434 262657 265720 271852 286160 288496 339815 360620 372008 388360 465010 484120 504868 525314 531440 543704 631085 679630 721240 744016 776720 883519 930020 968240 1009736 1050628 1087408 1262170 1313285 1359260 1442480 1767038 1838599 1860040 2019472 2101256 2524340 2626570 2718520 3414541 3534076 3677198 3720080 4202512 4417595 4990483 5048680 5253140 5437040 6829082 7068152 7354396 8835190 9192995 9980966 10097360 10506280 12870193 13658164 14136304 14708792 17072705 17670380 18385990 19173961 19961932 21012560 23901787 24952415 25740386 27316328 29417584 34145410 34933381 35340760 36771980 38347922 39923864 47803574 49904830 51480772 54632656 64350965 64876279 68290820 69866762 70681520 73543960 76695844 79847728 95607148 95869805 99809660 102961544 119508935 128701930 129752558 134217727 136581640 139733524 147087920 153391688 167312509 174666905 191214296 191739610 199619320 205923088 239017870 244533667 249261493 257403860 259505116 268435454 273163280 279467048 306783376 324381395 334625018 349333810 364305259 382428592 383479220 399238640 454133953 478035740 489067334 498522986 514807720 519010232 536870908 558934096 648762790 669250036 671088635 698667620 728610518 766958440 836562545 908267906 939524089 956071480 978134668 997045972 1029615440 1038020464 1073741816 1222668335 1246307465 1297525580 1338500072 1342177270 1397335240 1457221036 1533916880 1673125090 1744830451 1816535812 1821526295 1879048178 1912142960 1956269336 1994091944 2147483632 2270669765 2445336670 2492614930 2550136813 2595051160 2677000144 2684354540 2794670480 2914442072 3178937671 3346250180 3489660902 3633071624 3643052590 3758096356 3912538672 3988183888 4541339530 4697620445 4735968367 4890673340 4985229860 5100273626 5190102320 5368709080 5828884144 6357875342 6692500360 6979321804 7266143248 7286105180 7516192712 8724152255 9082679060 9395240890 9471936734 9781346680 9970459720 10200547252 10737418160 12213813157 12715750684 12750684065 13385000720 13958643608 14572210360 15032385424 15894688355 17448304510 17850957691 18165358120 18790481780 18943873468 19562693360 19940919440 20401094504 23679841835 24427626314 25431501368 25501368130 27917287216 29144420720 31789376710 33151778569 34896609020 35701915382 36330716240 37580963560 37887746936 40802189008 47359683670 48855252628 50863002736 51002736260 61069065785 63578753420 66303557138 69793218040 71403830764 75161927120 75775493872 89254788455 94719367340 97710505256 102005472520 122138131570 127157506840 132607114276 139586436080 142807661528 165758892845 178509576910 189438734680 195421010512 204010945040 232062449983 244276263140 254315013680 265214228552 285615323056 331517785690 357019153820 378877469360 464124899966 488552526280 530428457104 663035571380 714038307640 928249799932 977105052560 1160312249915 1326071142760 1428076615280 1856499599864 2320624499830 2652142285520 3712999199728 4641248999660 9282497999320 18564995998640
• Sum of all divisors σ(n): 57698986403520
• Sum of proper divisors (its aliquot sum) s(n): 39133990404880
• 18564995998640 is an abundant number, because the sum of its proper divisors (39133990404880) is greater than itself. Its abundance is 20568994406240

Bases of 18564995998640

• Binary: 100001110001001111111111111011110001110110000₂
• Hexadecimal: 0x10E27FFDE3B0
• Base-36: 6KWN3A7JK

Squares and roots of 18564995998640

• 18564995998640 squared (18564995998640²) is 344659076429519210881849600
• 18564995998640 cubed (18564995998640³) is 6398594374808982088000548169802284544000
• The square root of 18564995998640 is 4308711.6402284339
• The cube root of 18564995998640 is 26478.7992287121

Scales and comparisons

• 18,564,995,998,640 seconds is equal to 590,309 years, 23 weeks, 1 day, 20 hours, 57 minutes, 20 seconds.
• To count from 1 to 18,564,995,998,640 would take you about one million, four hundred seventy-five thousand, seven hundred seventy-three 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 18564995998640 cubic inches would be around 2206.6 feet tall.

Recreational maths with 18564995998640

• 18564995998640 backwards is 04689959946581
• The number of decimal digits it has is: 14
• The sum of 18564995998640's digits is 83
• More coming soon!