155388381139059456

Names of 155388381139059456

• Cardinal: 155388381139059456 can be written as One hundred fifty-five quadrillion, three hundred eighty-eight trillion, three hundred eighty-one billion, one hundred thirty-nine million, fifty-nine thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.55388381139059456 × 10¹⁷

Factors of 155388381139059456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 836

Divisors of 155388381139059456

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 41 48 51 64 68 82 96 102 123 128 136 164 192 204 246 256 272 289 328 384 408 492 544 578 656 697 768 773 816 867 984 1088 1156 1312 1394 1546 1632 1681 1734 1968 2091 2176 2312 2319 2624 2788 3092 3264 3362 3468 3936 4182 4352 4624 4638 4913 5043 5248 5576 6184 6528 6724 6936 7872 8364 9248 9276 9826 10086 10496 11152 11849 12368 13056 13141 13448 13872 14739 15744 16728 18496 18552 19652 20172 22304 23698 24736 26282 26896 27744 28577 29478 31488 31693 33456 35547 36992 37104 39304 39423 40344 44608 47396 49472 52564 53792 55488 57154 58956 63386 66912 68921 71094 73984 74208 78608 78846 80688 85731 89216 94792 95079 98944 105128 107584 110976 114308 117912 126772 133824 137842 142188 148416 157216 157692 161376 171462 178432 189584 190158 197888 201433 206763 210256 215168 221952 223397 228616 235824 253544 267648 275684 284376 296832 314432 315384 322752 342924 379168 380316 402866 413526 420512 430336 446794 457232 471648 485809 507088 535296 538781 551368 568752 593664 597529 604299 628864 630768 645504 670191 685848 758336 760632 805732 827052 841024 893588 914464 943296 971618 1014176 1077562 1102736 1137504 1171657 1195058 1208598 1257728 1261536 1291008 1299413 1340382 1371696 1457427 1516672 1521264 1611464 1616343 1654104 1682048 1787176 1792587 1828928 1886592 1943236 2028352 2155124 2205472 2275008 2343314 2390116 2417196 2523072 2598826 2680764 2743392 2914854 3033344 3042528 3222928 3232686 3308208 3364096 3514971 3574352 3585174 3657856 3773184 3797749 3886472 3898239 4056704 4310248 4410944 4550016 4686628 4780232 4834392 5046144 5197652 5361528 5486784 5829708 6085056 6445856 6465372 6616416 7029942 7148704 7170348 7315712 7595498 7772944 7796478 8113408 8258753 8620496 8821888 9100032 9159277 9373256 9560464 9668784 10092288 10157993 10395304 10723056 10973568 11393247 11659416 12170112 12891712 12930744 13232832 14059884 14297408 14340696 15190996 15545888 15592956 16517506 17240992 17643776 18318554 18746512 19120928 19337568 19918169 20315986 20790608 21446112 21947136 22090021 22786494 23318832 24340224 24498689 24776259 25783424 25861488 26465664 27477831 28119768 28594816 28681392 30381992 30473979 31091776 31185912 33035012 34481984 36637108 37493024 38241856 38675136 39836338 40631972 41581216 42892224 44180042 45572988 46637664 48997378 49552518 51566848 51722976 52931328 53275933 54955662 56239536 57189632 57362784 59754507 60763984 60947958 62183552 62371824 66070024 66270063 68963968 73274216 73496067 74986048 76483712 77350272 79672676 81263944 83162432 85784448 88360084 91145976 93275328 97994756 99105036 103445952 106551866 109911324 112479072 114725568 119509014 121527968 121895916 124367104 124743648 132140048 132540126 137927936 146548432 146992134 149972096 152967424 154700544 155707709 159345352 159827799 162527888 166324864 171568896 172685881 176720168 182291952 186550656 195989512 198210072 206891904 213103732 219822648 224958144 229451136 239018028 243055936 243791832 249487296 264280096 265080252 293096864 293984268 299944192 311415418 318690704 319655598 325055776 332649728 338608873 345371762 353440336 364583904 373101312 375530357 391979024 396420144 413783808 416477713 426207464 439645296 449916288 458902272 467123127 478036056 486111872 487583664 498974592 518057643 528560192 530160504 586193728 587968536 622830836 637381408 639311196 650111552 677217746 690743524 706880672 729167808 751060714 783958048 792840288 832955426 852414928 879290592 899832576 905690861 934246254 956072112 972223744 975167328 997949184 1004446249 1015826619 1036115286 1057120384 1060321008 1126591071 1172387456 1175937072 1245661672 1249433139 1274762816 1278622392 1300223104 1354435492 1381487048 1413761344 1458335616 1502121428 1567916096 1585680576 1665910852 1704829856 1758581184 1811381722 1868492508 1912144224 1950334656 2008892498 2031653238 2072230572 2114240768 2120642016 2253182142 2344774912 2351874144 2491323344 2498866278 2549525632 2557244784 2600446208 2708870984 2717072583 2762974096 2827522688 2916671232 2935659977 3004242856 3013338747 3135832192 3171361152 3331821704 3409659712 3517162368 3622763444 3736985016 3824288448 3900669312 4017784996 4063306476 4144461144 4241284032 4506364284 4703748288 4982646688 4997732556 5099051264 5114489568 5417741968 5434145166 5525948192 5655045376 5871319954 6008485712 6026677494 6271664384 6342722304 6384016069 6663643408 6819319424 7034324736 7080121121 7245526888 7473970032 7648576896 7801338624 8035569992 8126612952 8288922288 8482568064 8806979931 9012728568 9407496576 9965293376 9995465112 10228979136 10835483936 10868290332 11051896384 11742639908 12016971424 12053354988 12768032138 13327286816 13638638848 14160242242 14491053776 14947940064 15297153792 15396744637 16071139984 16253225904 16577844576 16965136128 17075586233 17613959862 18025457136 18814993152 19152048207 19930586752 19990930224 20457958272 21240363363 21670967872 21736580664 22103792768 23485279816 24033942848 24106709976 25536064276 26654573632 28320484484 28982107552 29895880128 30793489274 32142279968 32506451808 33155689152 34151172466 35227919724 36050914272 38304096414 39861173504 39981860448 40915916544 41182296209 42480726726 43341935744 43473161328 44207585536 46190233911 46970559632 48067885696 48213419952 51072128552 51226758699 53309147264 56640968968 57964215104 59791760256 61586978548 64284559936 65012903616 66311378304 68302344932 70455839448 72101828544 76608192828 79963720896 82364592418 84961453452 86683871488 86946322656 92380467822 93941119264 96135771392 96426839904 102144257104 102453517398 106618294528 113281937936 115928430208 119583520512 120362059057 123173957096 123546888627 128569119872 130025807232 132622756608 136604689864 140911678896 144203657088 153216385656 159927441792 164729184836 169922906904 173892645312 184760935644 187882238528 192853679808 204288514208 204907034796 226563875872 231856860416 240724118114 246347914192 247093777254 257138239744 260051614464 261744658829 273209379728 281823357792 288407314176 290284965961 306432771312 319854883584 329458369672 339845813808 347785290624 361086177171 369521871288 375764477056 385707359616 408577028416 409814069592 453127751744 481448236228 492695828384 494187554508 523489317658 546418759456 563646715584 580569931922 612865542624 658916739344 679691627616 695570581248 700099035553 722172354342 739043742576 751528954112 771414719232 785233976487 817154056832 819628139184 870854897883 906255503488 962896472456 985391656768 988375109016 1046978635316 1092837518912 1127293431168 1161139863844 1225731085248 1317833478688 1359383255232 1400198071106 1444344708684 1478087485152 1570467952974 1634308113664 1639256278368 1741709795766 1812511006976 1925792944912 1970783313536 1976750218032 2093957270632 2100297106659 2185675037824 2254586862336 2322279727688 2451462170496 2635666957376 2718766510464 2800396142212 2888689417368 2956174970304 3140935905948 3278512556736 3483419591532 3851585889824 3941566627072 3953500436064 4187914541264 4200594213318 4371350075648 4644559455376 4902924340992 4934844421337 5271333914752 5437533020928 5600792284424 5777378834736 5912349940608 6281871811896 6557025113472 6966839183064 7703171779648 7907000872128 8375829082528 8401188426636 9289118910752 9869688842674 10542667829504 11201584568848 11554757669472 11824699881216 11901683604401 12563743623792 13114050226944 13933678366128 14804533264011 15406343559296 15814001744256 16751658165056 16802376853272 18578237821504 19739377685348 22403169137696 23109515338944 23803367208802 25127487247584 27867356732256 29609066528022 30812687118592 31628003488512 33503316330112 33604753706544 35705050813203 37156475643008 39478755370696 44806338275392 46219030677888 47606734417604 50254974495168 55734713464512 59218133056044 67006632660224 67209507413088 71410101626406 74312951286016 78957510741392 89612676550784 92438061355776 95213468835208 100509948990336 111469426929024 118436266112088 134419014826176 142820203252812 157915021482784 179225353101568 190426937670416 201019897980672 202328621274817 222938853858048 236872532224176 268838029652352 285640406505624 315830042965568 380853875340832 404657242549634 473745064448352 537676059304704 571280813011248 606985863824451 631660085931136 761707750681664 809314485099268 947490128896704 1142561626022496 1213971727648902 1263320171862272 1523415501363328 1618628970198536 1894980257793408 2285123252044992 2427943455297804 3046831002726656 3237257940397072 3789960515586816 4570246504089984 4855886910595608 6474515880794144 9140493008179968 9711773821191216 12949031761588288 19423547642382432 25898063523176576 38847095284764864 51796127046353152 77694190569529728 155388381139059456
• Sum of all divisors σ(n): 450970212512957760
• Sum of proper divisors (its aliquot sum) s(n): 295581831373898304
• 155388381139059456 is an abundant number, because the sum of its proper divisors (295581831373898304) is greater than itself. Its abundance is 140193450234838848

Bases of 155388381139059456

• Binary: 1000101000000011001110100011001100000001000100001100000000₂
• Hexadecimal: 0x2280CE8CC044300
• Base-36: 16I0L0TL34LC

Squares and roots of 155388381139059456

• 155388381139059456 squared (155388381139059456²) is 24145548993017608480499004303015936
• 155388381139059456 cubed (155388381139059456³) is 3751937769738853394066986784476857859158671219490816
• The square root of 155388381139059456 is 394193329.6481048473
• The cube root of 155388381139059456 is 537616.8196222377

Scales and comparisons

• 155,388,381,139,059,456 seconds is equal to 4,940,869,872 years, 20 weeks, 5 days, 22 hours, 17 minutes, 36 seconds.
• To count from 1 to 155,388,381,139,059,456 would take you about fourteen billion, eight hundred twenty-two million, six hundred nine thousand, six 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 155388381139059456 cubic inches would be around 44801.4 feet tall.

Recreational maths with 155388381139059456

• 155388381139059456 backwards is 654950931183883551
• The number of decimal digits it has is: 18
• The sum of 155388381139059456's digits is 84
• More coming soon!