19978641665472

Names of 19978641665472

• Cardinal: 19978641665472 can be written as Nineteen trillion, nine hundred seventy-eight billion, six hundred forty-one million, six hundred sixty-five thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.9978641665472 × 10¹³

Factors of 19978641665472

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 6930

Divisors of 19978641665472

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 37 42 48 49 51 56 64 68 71 74 84 96 98 102 111 112 119 136 142 147 148 168 192 196 204 213 222 224 238 259 272 284 294 296 336 343 357 392 408 426 444 448 476 497 518 544 568 588 592 629 672 686 714 777 784 816 833 852 888 952 994 1029 1036 1088 1136 1176 1184 1207 1258 1344 1372 1428 1491 1554 1568 1632 1666 1704 1776 1813 1887 1904 1988 2058 2072 2272 2352 2368 2414 2499 2516 2627 2744 2856 2982 3108 3136 3264 3332 3408 3479 3552 3621 3626 3774 3808 3976 4116 4144 4403 4544 4704 4828 4998 5032 5254 5439 5488 5712 5831 5964 6216 6664 6793 6816 6958 7104 7242 7252 7548 7616 7881 7952 8232 8288 8449 8806 9408 9656 9996 10064 10437 10508 10878 10976 11424 11662 11928 12432 12691 13209 13328 13586 13632 13916 14484 14504 15096 15762 15904 16464 16576 16898 17493 17612 18389 19312 19992 20128 20379 20874 21016 21756 21952 22848 23324 23856 24353 24864 25347 25382 26418 26656 27172 27832 28968 29008 30192 30821 31524 31808 32928 33796 34986 35224 36778 38073 38624 39984 40256 40758 41748 42032 43512 44659 46648 47551 47712 48706 49728 50694 50764 52836 53312 54344 55167 55664 57936 58016 59143 60384 61642 63048 65856 67592 69972 70448 73059 73556 76146 77248 79968 81516 83496 84064 87024 89318 92463 93296 95102 95424 97412 101388 101528 105672 108688 110334 111328 115481 115872 116032 118286 120768 123284 126096 128723 133977 135184 139944 140896 142653 146118 147112 152292 159936 163032 166992 168128 174048 177429 178636 184926 186592 190204 194824 202776 203056 211344 215747 217376 220668 222656 230962 231744 236572 246568 251341 252192 257446 267954 270368 279888 281792 285306 292236 294224 304584 312613 326064 332857 333984 346443 348096 354858 357272 369852 373184 380408 386169 389648 405552 406112 414001 422688 431494 434752 441336 461924 473144 482303 493136 502682 504384 514892 535908 540736 559776 570612 584472 588448 609168 625226 647241 652128 665714 667968 692886 709716 714544 739704 754023 760816 772338 779296 808367 811104 812224 828002 845376 862988 882672 901061 923848 937839 946288 964606 986272 998571 1005364 1029784 1071816 1119552 1141224 1168944 1176896 1218336 1242003 1250452 1294482 1304256 1331428 1385772 1419432 1429088 1446909 1479408 1508046 1521632 1544676 1558592 1616734 1622208 1656004 1725976 1759387 1765344 1802122 1847696 1875678 1892576 1929212 1972544 1997142 2010728 2059568 2143632 2188291 2282448 2329999 2337888 2425101 2436672 2484006 2500904 2588964 2662856 2703183 2771544 2838864 2858176 2893818 2958816 3016092 3043264 3089352 3233468 3312008 3376121 3451952 3518774 3530688 3604244 3695392 3751356 3785152 3858424 3994284 4021456 4119136 4272797 4287264 4376582 4564896 4659998 4675776 4850202 4968012 5001808 5177928 5278161 5325712 5406366 5543088 5658569 5677728 5787636 5917632 6032184 6178704 6466936 6564873 6624016 6752242 6903904 6989997 7037548 7208488 7390784 7502712 7716848 7988568 8042912 8199151 8238272 8545594 8574528 8753164 9129792 9319996 9700404 9936024 10003616 10128363 10355856 10556322 10651424 10812732 11086176 11317138 11355456 11575272 12064368 12315709 12357408 12818391 12933872 13129746 13248032 13504484 13807808 13979994 14075096 14416976 15005424 15318037 15433696 15977136 16085824 16398302 16975707 17091188 17506328 17845211 18639992 19400808 19872048 20007232 20256726 20711712 21112644 21302848 21625464 22172352 22634276 23150544 23632847 24128736 24597453 24631418 24714816 25636782 25867744 26259492 26496064 27008968 27959988 28150192 28833952 29909579 30010848 30636074 30867392 31954272 32796604 33951414 34182376 35012656 35690422 36947127 37279984 38801616 39609983 39744096 40513452 41423424 42225288 43250928 45268552 45954111 46301088 47265694 48257472 49194906 49262836 51273564 51735488 52518984 53535633 54017936 55919976 56300384 57394057 57667904 59819158 60021696 61272148 63908544 65593208 67902828 68364752 70025312 70898541 71380844 73894254 74559968 77603232 79219966 79488192 81026904 84450576 86209963 86501856 89728737 90537104 91908222 92602176 94531388 98389812 98525672 102547128 105037968 107071266 108035872 111839952 112600768 114788114 118829949 119638316 122544296 124916477 131186416 135805656 136729504 140050624 141797082 142761688 147788508 149119936 155206464 158439932 162053808 165429929 168901152 172182171 172419926 173003712 179457474 181074208 183816444 189062776 196779624 197051344 205094256 209367053 210075936 214142532 216071744 223679904 229576228 237659898 239276632 245088592 249832954 258629889 262372832 271611312 273459008 283594164 285523376 295577016 303368587 316879864 324107616 330859858 337802304 344364342 344839852 358914948 362148416 367632888 374749431 378125552 393559248 394102688 401758399 410188512 418734106 420151872 428285064 447359808 459152456 475319796 478553264 490177184 496289787 499665908 517259778 524745664 543222624 567188328 571046752 591154032 606737174 628101159 633759728 648215232 661719716 688728684 689679704 717829896 735265776 749498862 756251104 787118496 788205376 803516798 820377024 837468212 856570128 874415339 910105761 918304912 950639592 957106528 980354368 992579574 999331816 1034519556 1086445248 1134376656 1142093504 1182308064 1205275197 1213474348 1256202318 1267519456 1323439432 1377457368 1379359408 1435659792 1465569371 1470531552 1498997724 1512502208 1574236992 1607033596 1674936424 1713140256 1748830678 1820211522 1836609824 1901279184 1914213056 1985159148 1998663632 2069039112 2123580109 2268753312 2364616128 2410550394 2426948696 2512404636 2535038912 2623246017 2646878864 2754914736 2758718816 2812308793 2871319584 2931138742 2941063104 2997995448 3214067192 3349872848 3426280512 3497661356 3640423044 3673219648 3802558368 3970318296 3997327264 4138078224 4247160218 4396708113 4537506624 4821100788 4853897392 5024809272 5246492034 5293757728 5509829472 5517437632 5624617586 5742639168 5862277484 5995990896 6120907373 6370740327 6428134384 6699745696 6995322712 7280846088 7605116736 7940636592 7994654528 8276156448 8436926379 8494320436 8793416226 9642201576 9707794784 10049618544 10492984068 10587515456 11019658944 11249235172 11724554968 11991981792 12241814746 12741480654 12856268768 13399491392 13990645424 14561692176 14865060763 15881273184 16552312896 16873852758 16988640872 17586832452 18362722119 19284403152 19415589568 20099237088 20985968136 22498470344 23449109936 23983963584 24483629492 25482961308 25712537536 27981290848 29123384352 29730121526 31762546368 33747705516 33977281744 35173664904 36725444238 38568806304 40198474176 41971936272 44595182289 44996940688 46898219872 48967258984 50965922616 55962581696 58246768704 59460243052 67495411032 67954563488 70347329808 73450888476 77137612608 83943872544 89190364578 89993881376 93796439744 97934517968 101931845232 104055425341 118920486104 134990822064 135909126976 140694659616 146901776952 167887745088 178380729156 179987762752 195869035936 203863690464 208110850682 237840972208 269981644128 281389319232 293803553904 312166276023 356761458312 391738071872 407727380928 416221701364 475681944416 539963288256 587607107808 624332552046 713522916624 832443402728 951363888832 1175214215616 1248665104092 1427045833248 1664886805456 2497330208184 2854091666496 3329773610912 4994660416368 6659547221824 9989320832736 19978641665472
• Sum of all divisors σ(n): 67988873318400
• Sum of proper divisors (its aliquot sum) s(n): 48010231652928
• 19978641665472 is an abundant number, because the sum of its proper divisors (48010231652928) is greater than itself. Its abundance is 28031589987456

Bases of 19978641665472

• Binary: 100100010101110100011110101101110110111000000₂
• Hexadecimal: 0x122BA3D6EDC0
• Base-36: 72Y27EX1C

Squares and roots of 19978641665472

• 19978641665472 squared (19978641665472²) is 399146122797333809956982784
• 19978641665472 cubed (19978641665472³) is 7974397359530416576480109664409791234048
• The square root of 19978641665472 is 4469747.3827356285
• The cube root of 19978641665472 is 27134.5101510485

Scales and comparisons

• 19,978,641,665,472 seconds is equal to 635,259 years, 2 days, 12 hours, 51 minutes, 12 seconds.
• To count from 1 to 19,978,641,665,472 would take you about one million, five hundred eighty-eight thousand, one hundred forty-seven 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 19978641665472 cubic inches would be around 2261.2 feet tall.

Recreational maths with 19978641665472

• 19978641665472 backwards is 27456614687991
• The number of decimal digits it has is: 14
• The sum of 19978641665472's digits is 75
• More coming soon!