18643201425408

Names of 18643201425408

• Cardinal: 18643201425408 can be written as Eighteen trillion, six hundred forty-three billion, two hundred one million, four hundred twenty-five thousand, four hundred eight.

Scientific notation

• Scientific notation: 1.8643201425408 × 10¹³

Factors of 18643201425408

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 157

Divisors of 18643201425408

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 41 42 48 56 62 64 73 82 84 93 96 112 123 124 128 146 164 168 186 192 217 219 224 246 248 256 287 292 328 336 372 384 434 438 448 492 496 511 512 574 584 651 656 672 744 768 861 868 876 896 984 992 1022 1024 1148 1168 1271 1302 1312 1344 1488 1533 1536 1722 1736 1752 1792 1968 1984 2044 2048 2263 2296 2336 2542 2604 2624 2688 2976 2993 3066 3072 3444 3472 3504 3584 3813 3936 3968 4088 4096 4526 4592 4672 5084 5208 5248 5329 5376 5952 5986 6132 6144 6789 6888 6944 7008 7168 7626 7872 7936 8176 8192 8897 8979 9052 9184 9344 10168 10416 10496 10658 10752 11904 11972 12264 12288 13578 13776 13888 14016 14336 15252 15744 15841 15872 15987 16352 16384 17794 17958 18104 18368 18688 20336 20832 20951 20992 21316 21504 23808 23944 24528 24576 26691 27156 27552 27776 28032 28672 30504 31488 31682 31744 31974 32704 32768 35588 35916 36208 36736 37303 37376 40672 41664 41902 41984 42632 43008 47523 47616 47888 49056 49152 53382 54312 55104 55552 56064 57344 61008 62853 62976 63364 63488 63948 65408 65536 71176 71832 72416 73472 74606 74752 81344 83328 83804 83968 85264 86016 92783 95046 95232 95776 98112 98304 106764 108624 110208 111104 111909 112128 114688 122016 125706 125952 126728 126976 127896 130816 131072 142352 143664 144832 146944 149212 149504 162688 165199 166656 167608 167936 170528 172032 185566 190092 190464 191552 196224 196608 213528 217248 218489 220416 222208 223818 224256 229376 244032 251412 251904 253456 253952 255792 261632 278349 284704 287328 289664 293888 298424 299008 325376 330398 333312 335216 335872 341056 344064 371132 380184 380928 383104 392448 393216 427056 434496 436978 440832 444416 447636 448512 458752 488064 495597 502824 503808 506912 507904 511584 523264 556698 569408 574656 579328 587776 596848 598016 649481 650752 655467 660796 666624 670432 671744 682112 688128 742264 760368 761856 766208 784896 854112 868992 873956 881664 888832 895272 897024 917504 976128 991194 1005648 1007616 1013824 1015808 1023168 1046528 1113396 1138816 1149312 1156393 1158656 1175552 1193696 1196032 1298962 1301504 1310934 1321592 1333248 1340864 1343488 1364224 1376256 1484528 1520736 1523712 1529423 1532416 1569792 1708224 1737984 1747912 1763328 1777664 1790544 1794048 1948443 1952256 1982388 2011296 2015232 2027648 2031616 2046336 2093056 2226792 2277632 2298624 2312786 2317312 2351104 2387392 2392064 2597924 2603008 2621868 2643184 2666496 2681728 2686976 2728448 2752512 2969056 3041472 3047424 3058846 3064832 3139584 3416448 3469179 3475968 3495824 3526656 3555328 3581088 3588096 3896886 3904512 3964776 4022592 4030464 4055296 4063232 4092672 4186112 4453584 4555264 4588269 4597248 4625572 4634624 4702208 4774784 4784128 5195848 5206016 5243736 5286368 5332992 5363456 5373952 5456896 5938112 6082944 6094848 6117692 6129664 6279168 6773159 6832896 6938358 6951936 6991648 7053312 7110656 7162176 7176192 7793772 7809024 7929552 8045184 8060928 8110592 8185344 8372224 8907168 9110528 9176538 9194496 9251144 9269248 9404416 9549568 9568256 10391696 10412032 10487472 10572736 10665984 10726912 10913792 11876224 12165888 12189696 12235384 12259328 12558336 13546318 13665792 13876716 13903872 13983296 14106624 14221312 14324352 14352384 15587544 15618048 15859104 16090368 16121856 16221184 16370688 16744448 17814336 18221056 18353076 18388992 18502288 18538496 18808832 19099136 20319477 20783392 20824064 20974944 21145472 21331968 21453824 21827584 23752448 24331776 24470768 24518656 25116672 27092636 27331584 27753432 27807744 27966592 28213248 28442624 28648704 28704768 31175088 31236096 31718208 32180736 32442368 32741376 33488896 35628672 36442112 36706152 36777984 37004576 37076992 37617664 38198272 40638954 41566784 41648128 41949888 42290944 42663936 42907648 43655168 47412113 47504896 48663552 48941536 49037312 50233344 54185272 54663168 55506864 55615488 55933184 56426496 57297408 62350176 62472192 63436416 64361472 64884736 65482752 66977792 71257344 72884224 73412304 73555968 74009152 74153984 76396544 81277908 83133568 83296256 83899776 84581888 85327872 85815296 87310336 94824226 95009792 97327104 97883072 98074624 100466688 108370544 109326336 111013728 111230976 111866368 112852992 114594816 124700352 124944384 126872832 128722944 129769472 130965504 142236339 142514688 145768448 146824608 147111936 148018304 148307968 152793088 162555816 166267136 166592512 167799552 169163776 171630592 174620672 189648452 190019584 194654208 195766144 196149248 200933376 216741088 218652672 222027456 222461952 223732736 229189632 249400704 249888768 253745664 257445888 259538944 261931008 284472678 285029376 291536896 293649216 294223872 296036608 296615936 305586176 325111632 332534272 335599104 338327552 343261184 349241344 379296904 380039168 389308416 391532288 392298496 433482176 437305344 444054912 444923904 447465472 458379264 498801408 499777536 507491328 514891776 519077888 523862016 568945356 570058752 583073792 587298432 588447744 592073216 611172352 650223264 665068544 671198208 676655104 686522368 698482688 758593808 760078336 778616832 783064576 866964352 874610688 888109824 889847808 894930944 916758528 997602816 1014982656 1029783552 1038155776 1047724032 1137890712 1140117504 1166147584 1174596864 1176895488 1184146432 1222344704 1300446528 1330137088 1342396416 1353310208 1373044736 1517187616 1520156672 1557233664 1566129152 1733928704 1749221376 1776219648 1789861888 1833517056 1995205632 2029965312 2059567104 2076311552 2095448064 2275781424 2280235008 2349193728 2368292864 2444689408 2600893056 2660274176 2684792832 2706620416 2746089472 3034375232 3040313344 3114467328 3132258304 3467857408 3498442752 3552439296 3579723776 3667034112 3990411264 4059930624 4119134208 4551562848 4560470016 4698387456 4736585728 4889378816 5201786112 5320548352 5369585664 5413240832 6068750464 6080626688 6228934656 6264516608 6935714816 7104878592 7159447552 7334068224 7980822528 8119861248 8238268416 9103125696 9120940032 9396774912 9473171456 10403572224 10641096704 10739171328 10826481664 12137500928 12161253376 12529033216 13871429632 14209757184 14318895104 14668136448 15961645056 16239722496 18206251392 18241880064 18793549824 18946342912 20807144448 21282193408 21478342656 21652963328 24275001856 25058066432 27742859264 28419514368 28637790208 31923290112 32479444992 36412502784 36483760128 37587099648 37892685824 41614288896 42564386816 42956685312 48550003712 50116132864 55485718528 56839028736 63846580224 64958889984 72825005568 75174199296 75785371648 83228577792 85128773632 85913370624 97100007424 100232265728 110971437056 113678057472 127693160448 145650011136 150348398592 151570743296 166457155584 194200014848 200464531456 221942874112 227356114944 255386320896 291300022272 300696797184 332914311168 388400029696 443885748224 454712229888 582600044544 601393594368 665828622336 776800059392 887771496448 1165200089088 1331657244672 1553600118784 2330400178176 2663314489344 3107200237568 4660800356352 6214400475136 9321600712704 18643201425408
• Sum of all divisors σ(n): 60914751916032
• Sum of proper divisors (its aliquot sum) s(n): 42271550490624
• 18643201425408 is an abundant number, because the sum of its proper divisors (42271550490624) is greater than itself. Its abundance is 23628349065216

Bases of 18643201425408

• Binary: 100001111010010110101011001100000000000000000₂
• Hexadecimal: 0x10F4B5660000
• Base-36: 6LWKGRX1C

Squares and roots of 18643201425408

• 18643201425408 squared (18643201425408²) is 347568959388334882987966464
• 18643201425408 cubed (18643201425408³) is 6479798119096180154328905271756101517312
• The square root of 18643201425408 is 4317777.3709870683
• The cube root of 18643201425408 is 26515.9279706645

Scales and comparisons

• 18,643,201,425,408 seconds is equal to 592,796 years, 7 weeks, 1 day, 6 hours, 36 minutes, 48 seconds.
• To count from 1 to 18,643,201,425,408 would take you about one million, four hundred eighty-one thousand, nine hundred ninety 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 18643201425408 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18643201425408

• 18643201425408 backwards is 80452410234681
• 18643201425408 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18643201425408's digits is 48
• More coming soon!