18668272631808

Names of 18668272631808

• Cardinal: 18668272631808 can be written as Eighteen trillion, six hundred sixty-eight billion, two hundred seventy-two million, six hundred thirty-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8668272631808 × 10¹³

Factors of 18668272631808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 304

Divisors of 18668272631808

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 19 24 32 34 38 48 51 57 64 68 76 96 102 114 128 136 152 192 204 228 256 263 272 289 304 323 384 408 456 512 526 544 578 608 646 768 789 816 867 912 969 1024 1052 1088 1156 1216 1292 1536 1578 1632 1734 1824 1938 2048 2104 2176 2312 2432 2584 3072 3156 3264 3468 3648 3876 4096 4208 4352 4471 4624 4864 4997 5168 5491 6144 6312 6528 6936 7296 7752 8192 8416 8704 8942 9248 9728 9994 10336 10982 12288 12624 13056 13413 13872 14592 14991 15504 16384 16473 16832 17408 17884 18496 19456 19988 20672 21964 24576 25248 26112 26826 27744 29184 29982 31008 32946 33664 34816 35768 36992 38912 39976 41344 43928 49152 50496 52224 53652 55488 58368 59964 62016 65892 67328 69169 69632 71536 73984 76007 77824 79952 82688 84949 87856 100992 104448 107304 110976 116736 119928 124032 131784 134656 138338 139264 143072 147968 152014 155648 159904 165376 169898 175712 201984 207507 208896 214608 221952 228021 233472 239856 248064 254847 263568 269312 276676 278528 286144 295936 304028 311296 319808 330752 339796 351424 403968 415014 417792 429216 443904 456042 466944 479712 496128 509694 527136 538624 553352 572288 591872 608056 639616 661504 679592 702848 807936 830028 835584 858432 887808 912084 933888 959424 992256 1019388 1054272 1077248 1106704 1144576 1175873 1183744 1216112 1279232 1314211 1323008 1359184 1405696 1444133 1615872 1660056 1716864 1775616 1824168 1918848 1984512 2038776 2108544 2154496 2213408 2289152 2351746 2367488 2432224 2558464 2628422 2646016 2718368 2811392 2888266 3231744 3320112 3433728 3527619 3551232 3648336 3837696 3942633 3969024 4077552 4217088 4308992 4332399 4426816 4578304 4703492 4734976 4864448 5116928 5256844 5292032 5436736 5622784 5776532 6463488 6640224 6867456 7055238 7102464 7296672 7675392 7885266 7938048 8155104 8434176 8664798 8853632 9156608 9406984 9728896 10233856 10513688 10873472 11245568 11553064 12926976 13280448 13734912 14110476 14204928 14593344 15350784 15770532 15876096 16310208 16868352 17329596 17707264 18313216 18813968 19457792 19989841 20467712 21027376 21746944 22341587 22491136 23106128 26560896 27469824 28220952 29186688 30701568 31541064 32620416 33736704 34659192 35414528 36626432 37627936 38915584 39979682 40935424 42054752 43493888 44683174 44982272 46212256 53121792 54939648 56441904 58373376 59969523 61403136 63082128 65240832 67024761 67473408 69318384 70829056 73252864 75255872 77831168 79959364 81870848 84109504 86987776 89366348 89964544 92424512 106243584 109879296 112883808 116746752 119939046 122806272 126164256 130481664 134049522 134946816 138636768 141658112 150511744 155662336 159918728 168219008 173975552 178732696 184849024 212487168 219758592 225767616 233493504 239878092 245612544 252328512 260963328 268099044 269893632 277273536 283316224 301023488 311324672 319837456 336438016 347951104 357465392 369698048 379806979 424974336 451535232 466987008 479756184 504657024 521926656 536198088 554547072 566632448 602046976 622649344 639674912 672876032 695902208 714930784 739396096 759613958 849948672 903070464 933974016 959512368 1009314048 1043853312 1072396176 1109094144 1133264896 1139420937 1204093952 1245298688 1279349824 1345752064 1391804416 1429861568 1478792192 1519227916 1699897344 1806140928 1867948032 1919024736 2018628096 2087706624 2144792352 2218188288 2278841874 2408187904 2558699648 2691504128 2859723136 2957584384 3038455832 3399794688 3612281856 3735896064 3838049472 4037256192 4175413248 4289584704 4436376576 4557683748 4816375808 5117399296 5383008256 5719446272 5915168768 6076911664 7224563712 7676098944 8074512384 8579169408 8872753152 9115367496 9632751616 10234798592 10766016512 11438892544 11830337536 12153823328 14449127424 15352197888 16149024768 17158338816 17745506304 18230734992 19265503232 20469597184 21532033024 22877785088 23660675072 24307646656 28898254848 30704395776 32298049536 34316677632 35491012608 36461469984 40939194368 45755570176 48615293312 57796509696 61408791552 64596099072 68633355264 70982025216 72922939968 81878388736 91511140352 97230586624 122817583104 137266710528 145845879936 163756777472 183022280704 194461173248 245635166208 274533421056 291691759872 327513554944 366044561408 388922346496 491270332416 549066842112 583383519744 777844692992 982540664832 1098133684224 1166767039488 1555689385984 2333534078976 3111378771968 4667068157952 6222757543936 9334136315904 18668272631808
• Sum of all divisors σ(n): 55876728886160
• Sum of proper divisors (its aliquot sum) s(n): 37208456254352
• 18668272631808 is an abundant number, because the sum of its proper divisors (37208456254352) is greater than itself. Its abundance is 18540183622544

Bases of 18668272631808

• Binary: 100001111101010001011110000100100000000000000₂
• Hexadecimal: 0x10FA8BC24000
• Base-36: 6M833IVPC

Squares and roots of 18668272631808

• 18668272631808 squared (18668272631808²) is 348504403055511590733348864
• 18668272631808 cubed (18668272631808³) is 6505975209625791360659503182098687066112
• The square root of 18668272631808 is 4320679.6492922269
• The cube root of 18668272631808 is 26527.8087721571

Scales and comparisons

• 18,668,272,631,808 seconds is equal to 593,593 years, 16 weeks, 6 days, 6 hours, 36 minutes, 48 seconds.
• To count from 1 to 18,668,272,631,808 would take you about one million, four hundred eighty-three thousand, nine hundred eighty-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 18668272631808 cubic inches would be around 2210.7 feet tall.

Recreational maths with 18668272631808

• 18668272631808 backwards is 80813627286681
• The number of decimal digits it has is: 14
• The sum of 18668272631808's digits is 66
• More coming soon!