81490672200960

Names of 81490672200960

• Cardinal: 81490672200960 can be written as Eighty-one trillion, four hundred ninety billion, six hundred seventy-two million, two hundred thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 8.149067220096 × 10¹³

Factors of 81490672200960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 21

Divisors of 81490672200960

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 32 33 36 40 44 45 48 54 55 60 64 66 72 80 88 90 96 99 108 110 120 121 128 132 135 144 160 165 176 180 192 198 216 220 240 242 256 264 270 288 297 320 330 352 360 363 384 396 432 440 480 484 495 528 540 576 594 605 640 660 704 720 726 768 792 864 880 960 968 990 1056 1080 1089 1152 1188 1210 1280 1320 1331 1408 1440 1452 1485 1584 1728 1760 1815 1920 1936 1980 2112 2160 2178 2304 2376 2420 2640 2662 2816 2880 2904 2970 3168 3267 3456 3520 3630 3840 3872 3960 3993 4224 4320 4356 4752 4840 5280 5324 5445 5760 5808 5940 6336 6534 6655 6912 7040 7260 7744 7920 7986 8448 8640 8712 9504 9680 10560 10648 10890 11520 11616 11880 11979 12672 13068 13310 14080 14520 14641 15488 15840 15972 16335 17280 17424 19008 19360 19965 21120 21296 21780 23232 23760 23958 25344 26136 26620 29040 29282 30976 31680 31944 32670 34560 34848 35937 38016 38720 39930 42240 42592 43560 43923 46464 47520 47916 52272 53240 58080 58564 59895 63360 63888 65340 69696 71874 73205 76032 77440 79860 85184 87120 87846 92928 95040 95832 104544 106480 116160 117128 119790 126720 127776 130680 131769 139392 143748 146410 154880 159720 161051 170368 174240 175692 179685 190080 191664 209088 212960 219615 232320 234256 239580 255552 261360 263538 278784 287496 292820 319440 322102 340736 348480 351384 359370 380160 383328 395307 418176 425920 439230 464640 468512 479160 483153 511104 522720 527076 574992 585640 638880 644204 658845 696960 702768 718740 766656 790614 805255 836352 851840 878460 937024 958320 966306 1022208 1045440 1054152 1149984 1171280 1277760 1288408 1317690 1393920 1405536 1437480 1449459 1533312 1581228 1610510 1703680 1756920 1771561 1874048 1916640 1932612 1976535 2090880 2108304 2299968 2342560 2415765 2555520 2576816 2635380 2811072 2874960 2898918 3066624 3162456 3221020 3513840 3543122 3748096 3833280 3865224 3953070 4181760 4216608 4348377 4599936 4685120 4831530 5111040 5153632 5270760 5314683 5622144 5749920 5797836 6324912 6442040 7027680 7086244 7247295 7666560 7730448 7906140 8433216 8696754 8857805 9199872 9370240 9663060 10307264 10541520 10629366 11244288 11499840 11595672 12649824 12884080 14055360 14172488 14494590 15333120 15460896 15812280 15944049 16866432 17393508 17715610 18740480 19326120 19487171 20614528 21083040 21258732 21741885 22999680 23191344 25299648 25768160 26573415 28110720 28344976 28989180 30921792 31624560 31888098 33732864 34787016 35431220 38652240 38974342 41229056 42166080 42517464 43483770 45999360 46382688 47832147 50599296 51536320 53146830 56221440 56689952 57978360 58461513 61843584 63249120 63776196 69574032 70862440 77304480 77948684 79720245 84332160 85034928 86967540 92765376 95664294 97435855 101198592 103072640 106293660 113379904 115956720 116923026 123687168 126498240 127552392 139148064 141724880 154608960 155897368 159440490 168664320 170069856 173935080 175384539 185530752 191328588 194871710 206145280 212587320 214358881 226759808 231913440 233846052 239160735 252996480 255104784 278296128 283449760 292307565 309217920 311794736 318880980 340139712 347870160 350769078 371061504 382657176 389743420 425174640 428717762 453519616 463826880 467692104 478321470 505992960 510209568 526153617 556592256 566899520 584615130 618435840 623589472 637761960 643076643 680279424 695740320 701538156 765314352 779486840 850349280 857435524 876922695 927653760 935384208 956642940 1020419136 1052307234 1071794405 1113184512 1133799040 1169230260 1247178944 1275523920 1286153286 1360558848 1391480640 1403076312 1530628704 1558973680 1700698560 1714871048 1753845390 1855307520 1870768416 1913285880 1929229929 2040838272 2104614468 2143588810 2267598080 2338460520 2357947691 2494357888 2551047840 2572306572 2630768085 2782961280 2806152624 3061257408 3117947360 3215383215 3401397120 3429742096 3507690780 3741536832 3826571760 3858459858 4081676544 4209228936 4287177620 4676921040 4715895382 4988715776 5102095680 5144613144 5261536170 5565922560 5612305248 5787689787 6122514816 6235894720 6430766430 6802794240 6859484192 7015381560 7073843073 7483073664 7653143520 7716919716 8418457872 8574355240 9353842080 9431790764 9646149645 10204191360 10289226288 10523072340 11224610496 11575379574 11789738455 12245029632 12471789440 12861532860 13718968384 14030763120 14147686146 14966147328 15306287040 15433839432 16836915744 17148710480 18707684160 18863581528 19292299290 20408382720 20578452576 21046144680 21221529219 22449220992 23150759148 23579476910 24943578880 25723065720 27437936768 28061526240 28295372292 28938448935 30612574080 30867678864 33673831488 34297420960 35369215365 37415368320 37727163056 38584598580 41156905152 42092289360 42443058438 44898441984 46301518296 47158953820 51446131440 54875873536 56123052480 56590744584 57876897870 61225148160 61735357728 63664587657 67347662976 68594841920 70738430730 74830736640 75454326112 77169197160 82313810304 84184578720 84886116876 92603036592 94317907640 102892262880 106107646095 112246104960 113181489168 115753795740 123470715456 127329175314 134695325952 137189683840 141476861460 150908652224 154338394320 164627620608 168369157440 169772233752 185206073184 188635815280 205784525760 212215292190 224492209920 226362978336 231507591480 246941430912 254658350628 274379367680 282953722920 301817304448 308676788640 318322938285 336738314880 339544467504 370412146368 377271630560 411569051520 424430584380 452725956672 463015182960 493882861824 509316701256 565907445840 603634608896 617353577280 636645876570 673476629760 679088935008 740824292736 754543261120 823138103040 848861168760 905451913344 926030365920 1018633402512 1131814891680 1234707154560 1273291753140 1358177870016 1481648585472 1509086522240 1697722337520 1810903826688 1852060731840 2037266805024 2263629783360 2469414309120 2546583506280 2716355740032 3018173044480 3395444675040 3704121463680 4074533610048 4527259566720 5093167012560 5432711480064 6790889350080 7408242927360 8149067220096 9054519133440 10186334025120 13581778700160 16298134440192 20372668050240 27163557400320 40745336100480 81490672200960
• Sum of all divisors σ(n): 318096575294400
• Sum of proper divisors (its aliquot sum) s(n): 236605903093440
• 81490672200960 is an abundant number, because the sum of its proper divisors (236605903093440) is greater than itself. Its abundance is 155115230892480

Bases of 81490672200960

• Binary: 10010100001110110000110100100011010110100000000₂
• Hexadecimal: 0x4A1D8691AD00
• Base-36: SVWAQ79C0

Squares and roots of 81490672200960

• 81490672200960 squared (81490672200960²) is 6640729655764314930624921600
• 81490672200960 cubed (81490672200960³) is 541157523553083728938654969589699444736000
• The square root of 81490672200960 is 9027218.4088433353
• The cube root of 81490672200960 is 43354.6781722539

Scales and comparisons

• 81,490,672,200,960 seconds is equal to 2,591,151 years, 16 weeks, 9 hours, 36 minutes.
• To count from 1 to 81,490,672,200,960 would take you about six million, four hundred seventy-seven thousand, eight hundred seventy-eight 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 81490672200960 cubic inches would be around 3612.9 feet tall.

Recreational maths with 81490672200960

• 81490672200960 backwards is 06900227609418
• 81490672200960 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81490672200960's digits is 54
• More coming soon!