81616692641792

Names of 81616692641792

• Cardinal: 81616692641792 can be written as Eighty-one trillion, six hundred sixteen billion, six hundred ninety-two million, six hundred forty-one thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 8.1616692641792 × 10¹³

Factors of 81616692641792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 22
• Sum of prime factors: 1145

Divisors of 81616692641792

• Number of divisors d(n): 816
• Complete list of divisors:
  1 2 4 7 8 11 14 16 22 28 31 32 44 49 56 62 64 73 77 88 98 112 124 128 146 154 176 196 217 224 248 256 292 308 341 352 392 434 448 496 511 512 539 584 616 682 704 784 803 868 896 992 1021 1022 1024 1078 1168 1232 1364 1408 1519 1568 1606 1736 1792 1984 2042 2044 2048 2156 2263 2336 2387 2464 2728 2816 3038 3136 3212 3472 3577 3584 3968 4084 4088 4096 4312 4526 4672 4774 4928 5456 5621 5632 6076 6272 6424 6944 7147 7154 7168 7936 8168 8176 8192 8624 9052 9344 9548 9856 10912 11231 11242 11264 12152 12544 12848 13888 14294 14308 14336 15841 15872 16336 16352 16384 16709 17248 18104 18688 19096 19712 21824 22462 22484 22528 24304 24893 25088 25696 27776 28588 28616 28672 31651 31682 31744 32672 32704 32768 33418 34496 36208 37376 38192 39347 39424 43648 44924 44968 45056 48608 49786 50029 50176 51392 55552 57176 57232 57344 63302 63364 63488 65344 65408 65536 66836 68992 72416 74533 74752 76384 78617 78694 78848 87296 89848 89936 90112 97216 99572 100058 100352 102784 110887 111104 114352 114464 114688 126604 126728 126976 130688 130816 133672 137984 144832 149066 149504 152768 157234 157388 157696 174251 174592 179696 179872 180224 194432 199144 200116 200704 205568 221557 221774 222208 228704 228928 229376 253208 253456 253952 261376 261632 267344 275968 289664 298132 299008 305536 314468 314776 315392 348161 348502 349184 359392 359744 360448 388864 398288 400232 401408 411136 443114 443548 444416 457408 457856 458752 506416 506912 507904 521731 522752 523264 534688 550319 551936 579328 596264 598016 611072 628936 629552 630784 696322 697004 698368 718784 719488 720896 777728 796576 800464 802816 819863 822272 886228 887096 888832 914816 915712 1012832 1013824 1015808 1043462 1045504 1046528 1069376 1100638 1103872 1158656 1192528 1196032 1219757 1222144 1257872 1259104 1261568 1392644 1394008 1396736 1437568 1438976 1550899 1555456 1593152 1600928 1605632 1639726 1644544 1772456 1774192 1777664 1829632 1831424 2025664 2027648 2031616 2086924 2091008 2093056 2138752 2201276 2207744 2310523 2317312 2385056 2392064 2437127 2439514 2444288 2515744 2518208 2523136 2785288 2788016 2793472 2875136 2877952 3101798 3110912 3186304 3201856 3211264 3279452 3289088 3544912 3548384 3555328 3652117 3659264 3662848 4051328 4055296 4173848 4182016 4186112 4277504 4402552 4415488 4621046 4634624 4770112 4784128 4874254 4879028 4888576 5031488 5036416 5046272 5570576 5576032 5586944 5739041 5750272 5755904 6203596 6221824 6372608 6403712 6558904 6578176 7089824 7096768 7110656 7304234 7318528 7325696 8102656 8110592 8347696 8364032 8372224 8555008 8805104 8830976 9242092 9269248 9540224 9748508 9758056 9777152 10062976 10072832 11141152 11152064 11173888 11478082 11500544 11511808 12407192 12443648 12745216 12807424 13117808 13156352 14179648 14193536 14221312 14608468 14637056 14651392 16173661 16205312 16221184 16695392 16728064 16744448 17059889 17110016 17610208 17661952 18484184 18538496 19080448 19497016 19516112 19554304 20125952 20145664 22282304 22304128 22347776 22956164 23001088 23023616 24814384 24887296 25415753 25490432 25614848 26235616 26312704 28359296 28387072 29216936 29274112 29302784 32347322 32410624 32442368 33390784 33456128 33488896 34119778 34220032 35220416 35323904 36968368 37076992 38160896 38994032 39032224 39108608 40173287 40251904 40291328 44564608 44608256 45912328 46002176 46047232 49628768 49774592 50831506 50980864 51229696 52471232 52625408 56718592 56774144 58433872 58548224 58605568 64694644 64821248 64884736 66781568 66912256 68239556 68440064 70440832 73936736 74153984 76321792 77988064 78064448 78217216 80346574 80503808 80582656 89129216 89216512 91824656 92004352 92094464 99257536 99549184 101663012 101961728 102459392 104942464 113215627 113437184 113548288 116867744 117096448 117211136 129389288 129642496 129769472 133563136 136479112 136880128 140881664 147873472 148307968 152643584 155976128 156128896 156434432 160693148 161007616 161165312 177910271 178258432 178433024 183649312 184008704 184188928 198515072 203326024 203923456 204918784 209884928 226431254 226874368 227096576 233735488 234192896 234422272 258778576 259284992 259538944 267126272 272958224 273760256 281763328 295746944 305287168 311952256 312257792 321386296 322015232 322330624 355820542 356516864 356866048 367298624 368017408 368377856 397030144 406652048 407846912 409837568 419769856 452862508 453748736 454193152 467470976 468385792 517557152 518569984 519077888 534252544 545916448 547520512 563526656 591493888 610574336 623904512 624515584 642772592 644030464 644661248 711641084 713033728 713732096 734597248 736034816 794060288 813304096 815693824 819675136 839539712 905725016 907497472 908386304 934941952 1035114304 1037139968 1038155776 1068505088 1091832896 1095041024 1127053312 1182987776 1221148672 1245371897 1247809024 1249031168 1285545184 1288060928 1289322496 1423282168 1426067456 1427464192 1469194496 1588120576 1626608192 1631387648 1639350272 1679079424 1811450032 1814994944 1816772608 1869883904 2070228608 2074279936 2137010176 2183665792 2254106624 2365975552 2442297344 2490743794 2495618048 2498062336 2571090368 2576121856 2578644992 2846564336 2852134912 2854928384 2938388992 3176241152 3253216384 3278700544 3358158848 3622900064 3629989888 3633545216 3739767808 4140457216 4274020352 4367331584 4508213248 4731951104 4884594688 4981487588 4991236096 4996124672 5142180736 5152243712 5693128672 5704269824 5709856768 5876777984 6352482304 6506432768 6716317696 7245800128 7259979776 7267090432 7479535616 8280914432 8548040704 8734663168 9016426496 9463902208 9962975176 9982472192 9992249344 10284361472 11386257344 11408539648 11419713536 11753555968 12704964608 13012865536 13432635392 14491600256 14519959552 14959071232 16561828864 17096081408 17469326336 18032852992 18927804416 19925950352 19964944384 19984498688 20568722944 22772514688 22817079296 23507111936 25409929216 26025731072 26865270784 28983200512 29918142464 33123657728 34192162816 34938652672 36065705984 37855608832 39851900704 39929888768 39968997376 41137445888 45545029376 47014223872 50819858432 52051462144 53730541568 57966401024 59836284928 66247315456 69877305344 75711217664 79703801408 79859777536 79937994752 82274891776 91090058752 94028447744 101639716864 104102924288 115932802048 119672569856 132494630912 139754610688 151422435328 159407602816 159719555072 164549783552 182180117504 188056895488 208205848576 231865604096 239345139712 264989261824 279509221376 318815205632 329099567104 364360235008 376113790976 416411697152 463731208192 529978523648 559018442752 637630411264 658199134208 728720470016 832823394304 927462416384 1059957047296 1118036885504 1275260822528 1316398268416 1457440940032 1665646788608 1854924832768 2550521645056 2632796536832 2914881880064 3709849665536 5101043290112 5829763760128 7419699331072 10202086580224 11659527520256 20404173160448 40808346320896 81616692641792
• Sum of all divisors σ(n): 216967811526144
• Sum of proper divisors (its aliquot sum) s(n): 135351118884352
• 81616692641792 is an abundant number, because the sum of its proper divisors (135351118884352) is greater than itself. Its abundance is 53734426242560

Bases of 81616692641792

• Binary: 10010100011101011011101111110010000000000000000₂
• Hexadecimal: 0x4A3ADDF90000
• Base-36: SXI6VINSW

Squares and roots of 81616692641792

• 81616692641792 squared (81616692641792²) is 6661284517784744396024971264
• 81616692641792 cubed (81616692641792³) is 543672011087565118907202779376397045465088
• The square root of 81616692641792 is 9034195.7385144141
• The cube root of 81616692641792 is 43377.0151324685

Scales and comparisons

• 81,616,692,641,792 seconds is equal to 2,595,158 years, 19 weeks, 1 day, 7 hours, 36 minutes, 32 seconds.
• To count from 1 to 81,616,692,641,792 would take you about six million, four hundred eighty-seven thousand, eight hundred ninety-five 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 81616692641792 cubic inches would be around 3614.8 feet tall.

Recreational maths with 81616692641792

• 81616692641792 backwards is 29714629661618
• The number of decimal digits it has is: 14
• The sum of 81616692641792's digits is 68
• More coming soon!