81628825443631104

Names of 81628825443631104

• Cardinal: 81628825443631104 can be written as Eighty-one quadrillion, six hundred twenty-eight trillion, eight hundred twenty-five billion, four hundred forty-three million, six hundred thirty-one thousand, one hundred four.

Scientific notation

• Scientific notation: 8.1628825443631104 × 10¹⁶

Factors of 81628825443631104

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 32
• Sum of prime factors: 402

Divisors of 81628825443631104

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 97 103 128 192 194 197 206 256 291 309 384 388 394 412 512 582 591 618 768 776 788 824 1024 1164 1182 1236 1536 1552 1576 1648 2048 2328 2364 2472 3072 3104 3152 3296 4096 4656 4728 4944 6144 6208 6304 6592 8192 9312 9456 9888 9991 10609 12288 12416 12608 13184 16384 18624 18912 19109 19776 19982 20291 21218 24576 24832 25216 26368 29973 31827 32768 37248 37824 38218 39552 39964 40582 42436 49152 49664 50432 52736 57327 59946 60873 63654 65536 74496 75648 76436 79104 79928 81164 84872 98304 99328 100864 105472 114654 119892 121746 127308 131072 148992 151296 152872 158208 159856 162328 169744 196608 198656 201728 210944 229308 239784 243492 254616 262144 297984 302592 305744 316416 319712 324656 339488 393216 397312 403456 421888 458616 479568 486984 509232 524288 595968 605184 611488 632832 639424 649312 678976 786432 794624 806912 843776 917232 959136 973968 1018464 1029073 1048576 1191936 1210368 1222976 1265664 1278848 1298624 1357952 1572864 1589248 1613824 1687552 1834464 1918272 1947936 1968227 2036928 2058146 2089973 2097152 2383872 2420736 2445952 2531328 2557696 2597248 2715904 3087219 3145728 3178496 3227648 3375104 3668928 3836544 3895872 3936454 4073856 4116292 4179946 4194304 4767744 4841472 4891904 5062656 5115392 5194496 5431808 5904681 6174438 6269919 6291456 6356992 6455296 6750208 7337856 7673088 7791744 7872908 8147712 8232584 8359892 8388608 9535488 9682944 9783808 10125312 10230784 10388992 10863616 11809362 12348876 12539838 12582912 12713984 12910592 13500416 14675712 15346176 15583488 15745816 16295424 16465168 16719784 16777216 19070976 19365888 19567616 20250624 20461568 20777984 21727232 23618724 24697752 25079676 25165824 25427968 25821184 27000832 29351424 30692352 31166976 31491632 32590848 32930336 33439568 33554432 38141952 38731776 39135232 40501248 40923136 41555968 43454464 47237448 49395504 50159352 50331648 50855936 51642368 54001664 58702848 61384704 62333952 62983264 65181696 65860672 66879136 67108864 76283904 77463552 78270464 81002496 81846272 83111936 86908928 94474896 98791008 100318704 100663296 101711872 103284736 108003328 117405696 122769408 124667904 125966528 130363392 131721344 133758272 134217728 152567808 154927104 156540928 162004992 163692544 166223872 173817856 188949792 197582016 200637408 201326592 202727381 203423744 206569472 216006656 234811392 245538816 249335808 251933056 260726784 263442688 267516544 305135616 309854208 313081856 324009984 327385088 332447744 347635712 377899584 395164032 401274816 402653184 405454762 406847488 413138944 432013312 469622784 491077632 498671616 503866112 521453568 526885376 535033088 608182143 610271232 619708416 626163712 648019968 654770176 664895488 695271424 755799168 790328064 802549632 810909524 813694976 826277888 864026624 939245568 982155264 997343232 1007732224 1042907136 1053770752 1070066176 1216364286 1220542464 1239416832 1252327424 1296039936 1309540352 1329790976 1390542848 1511598336 1580656128 1605099264 1621819048 1627389952 1652555776 1728053248 1878491136 1964310528 1994686464 2015464448 2085814272 2107541504 2140132352 2432728572 2441084928 2478833664 2504654848 2592079872 2619080704 2659581952 2781085696 3023196672 3161312256 3210198528 3243638096 3254779904 3305111552 3456106496 3756982272 3928621056 3989372928 4030928896 4171628544 4215083008 4280264704 4865457144 4882169856 4957667328 5009309696 5184159744 5238161408 5319163904 5562171392 6046393344 6322624512 6420397056 6487276192 6509559808 6610223104 6912212992 7513964544 7857242112 7978745856 8061857792 8343257088 8430166016 8560529408 9730914288 9764339712 9915334656 10018619392 10368319488 10476322816 10638327808 11124342784 12092786688 12645249024 12840794112 12974552384 13019119616 13220446208 13824425984 15027929088 15714484224 15957491712 16123715584 16686514176 16860332032 17121058816 19461828576 19528679424 19830669312 20037238784 20736638976 20952645632 21276655616 22248685568 24185573376 25290498048 25681588224 25949104768 26440892416 30055858176 31428968448 31914983424 32247431168 33373028352 33720664064 34242117632 38923657152 39057358848 39661338624 40074477568 41473277952 41905291264 42553311232 44497371136 48371146752 50580996096 51363176448 51898209536 60111716352 62857936896 63829966848 64494862336 66746056704 67441328128 68484235264 77847314304 79322677248 80148955136 83810582528 85106622464 88994742272 96742293504 101161992192 102726352896 103796419072 120223432704 125715873792 127659933696 128989724672 133492113408 134882656256 136968470528 155694628608 160297910272 167621165056 170213244928 177989484544 193484587008 202323984384 205452705792 207592838144 240446865408 251431747584 255319867392 257979449344 266984226816 269765312512 273936941056 311389257216 320595820544 335242330112 340426489856 355978969088 386969174016 404647968768 410905411584 415185676288 480893730816 502863495168 510639734784 515958898688 533968453632 539530625024 547873882112 622778514432 641191641088 670484660224 680852979712 711957938176 773938348032 809295937536 821810823168 830371352576 961787461632 1005726990336 1021279469568 1031917797376 1067936907264 1079061250048 1095747764224 1245557028864 1282383282176 1340969320448 1361705959424 1423915876352 1547876696064 1618591875072 1643621646336 1660742705152 1923574923264 2011453980672 2042558939136 2063835594752 2135873814528 2158122500096 2191495528448 2491114057728 2564766564352 2723411918848 3095753392128 3237183750144 3287243292672 3321485410304 3847149846528 4022907961344 4085117878272 4127671189504 4271747629056 4316245000192 4382991056896 4982228115456 6191506784256 6474367500288 6574486585344 6642970820608 7694299693056 8170235756544 8255342379008 8632490000384 8765982113792 9964456230912 12383013568512 12948735000576 13148973170688 13285941641216 16510684758016 17264980000768 17531964227584 19928912461824 24766027137024 25897470001152 26297946341376 26571883282432 33021369516032 34529960001536 35063928455168 39857824923648 49532054274048 51794940002304 52595892682752 53143766564864 66042739032064 69059920003072 70127856910336 79715649847296 99064108548096 103589880004608 105191785365504 106287533129728 132085478064128 138119840006144 140255713820672 159431299694592 198128217096192 207179760009216 210383570731008 212575066259456 264170956128256 280511427641344 318862599389184 396256434192384 414359520018432 420767141462016 425150132518912 637725198778368 792512868384768 841534282924032 850300265037824 1275450397556736 1700600530075648 2550900795113472 3401201060151296 5101801590226944 6802402120302592 10203603180453888 13604804240605184 20407206360907776 27209608481210368 40814412721815552 81628825443631104
• Sum of all divisors σ(n): 223204136667074640
• Sum of proper divisors (its aliquot sum) s(n): 141575311223443536
• 81628825443631104 is an abundant number, because the sum of its proper divisors (141575311223443536) is greater than itself. Its abundance is 59946485779812432

Bases of 81628825443631104

• Binary: 100100010000000001111101111111000000000000000000000000000₂
• Hexadecimal: 0x12200FBF8000000
• Base-36: MBR04PVBKLC

Squares and roots of 81628825443631104

• 81628825443631104 squared (81628825443631104²) is 6663265143306796702754156436258816
• 81628825443631104 cubed (81628825443631104³) is 543914507267622101129608485704380806377404171812864
• The square root of 81628825443631104 is 285707587.3049770865
• The cube root of 81628825443631104 is 433791.6444218947

Scales and comparisons

• 81,628,825,443,631,104 seconds is equal to 2,595,544,154 years, 29 weeks, 5 days, 5 hours, 58 minutes, 24 seconds.
• To count from 1 to 81,628,825,443,631,104 would take you about seven billion, seven hundred eighty-six million, six hundred thirty-two thousand, four hundred sixty-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 81628825443631104 cubic inches would be around 36149.3 feet tall.

Recreational maths with 81628825443631104

• 81628825443631104 backwards is 40113634452882618
• The number of decimal digits it has is: 17
• The sum of 81628825443631104's digits is 66
• More coming soon!