81652720101072

Names of 81652720101072

• Cardinal: 81652720101072 can be written as Eighty-one trillion, six hundred fifty-two billion, seven hundred twenty million, one hundred one thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1652720101072 × 10¹³

Factors of 81652720101072

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5900

Divisors of 81652720101072

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 23 24 29 34 46 48 51 58 68 69 87 92 102 116 136 138 174 184 204 232 272 276 348 368 391 408 464 493 552 667 696 782 816 841 986 1093 1104 1173 1334 1392 1479 1564 1682 1972 2001 2186 2346 2523 2668 2958 3128 3279 3364 3944 4002 4372 4692 4733 5046 5336 5916 6256 6558 6728 7888 8004 8744 9384 9466 10092 10672 11339 11832 13116 13456 14199 14297 16008 17488 18581 18768 18932 19343 20184 22678 23664 25139 26232 28398 28594 31697 32016 34017 37162 37864 38686 40368 42891 45356 50278 52464 55743 56796 57188 58029 63394 68034 74324 75417 75728 77372 80461 85782 90712 95091 100556 108859 111486 113592 114376 116058 126788 136068 137257 148648 150834 154744 160922 171564 181424 190182 201112 217718 222972 227184 228752 232116 241383 253576 272136 274514 297296 301668 309488 321844 326577 328831 343128 380364 402224 411771 427363 435436 445944 464232 482766 507152 538849 544272 549028 603336 643688 653154 657662 686256 729031 760728 823542 854726 870872 891888 919213 928464 965532 986493 1077698 1098056 1206672 1282089 1287376 1306308 1315324 1458062 1521456 1616547 1647084 1709452 1741744 1838426 1850603 1931064 1972986 2155396 2187093 2196112 2333369 2564178 2612616 2630648 2757639 2916124 3156911 3233094 3294168 3418904 3676852 3701206 3862128 3945972 3980453 4310792 4374186 4666738 5128356 5173169 5225232 5261296 5515278 5551809 5832248 6313822 6466188 6588336 6837808 7000107 7353704 7402412 7891944 7960906 8621584 8748372 9333476 9470733 10256712 10346338 11030556 11103618 11664496 11941359 12393527 12627644 12932376 14000214 14707408 14804824 15519507 15626621 15783888 15921812 17496744 18666952 18941466 20513424 20692676 21141899 22061112 22207236 23882718 24787054 25255288 25864752 28000428 29609648 31039014 31253242 31843624 34993488 37180581 37333904 37882932 41385352 42283798 44122224 44414472 46879863 47765436 49574108 50510576 53667487 56000856 62078028 62506484 63425697 63687248 67667701 74361162 75765864 82770704 84567596 87943873 88828944 91550419 93759726 95530872 99148216 107334974 112001712 118982887 124156056 125012968 126851394 135335402 148722324 150021901 151531728 161002461 169135192 175887746 183100838 187519452 191061744 198296432 203003103 214669948 237965774 248312112 250025936 253702788 263831619 270670804 274651257 297444648 300043802 322004922 338270384 351775492 356948661 359412283 366201676 375038904 406006206 429339896 450065703 475931548 507405576 527663238 541341608 549302514 594889296 600087604 644009844 703550984 713897322 718824566 732403352 750077808 812012412 858679792 900131406 951863096 1014811152 1055326476 1078236849 1082683216 1098605028 1200175208 1288019688 1407101968 1427794644 1437649132 1464806704 1556357123 1624024824 1800262812 1903726192 2022709079 2110652952 2156473698 2197210056 2400350416 2550372317 2576039376 2855589288 2875298264 3112714246 3248049648 3450503723 3600525624 4045418158 4221305904 4312947396 4350635129 4394420112 4669071369 5100744634 5711178576 5750596528 6068127237 6225428492 6901007446 7201051248 7651116951 8090836316 8625894792 8701270258 9338142738 10201489268 10351511169 12136254474 12450856984 13051905387 13802014892 15302233902 16181672632 17251789584 17402540516 18676285476 20402978536 20703022338 24272508948 24901713968 26103810774 27604029784 30604467804 32363345264 34805081032 37352570952 40805957072 41406044676 48545017896 52207621548 55208059568 58658563291 61208935608 69610162064 73960797193 74705141904 82812089352 97090035792 100064607967 104415243096 117317126582 122417871216 147921594386 165624178704 175975689873 200129215934 208830486192 221882391579 234634253164 295843188772 300193823901 351951379746 400258431868 443764783158 469268506328 591686377544 600387647802 703902759492 800516863736 887529566316 938537012656 1183372755088 1200775295604 1407805518984 1601033727472 1701098335439 1775059132632 2401550591208 2815611037968 3402196670878 3550118265264 4803101182416 5103295006317 6804393341756 10206590012634 13608786683512 20413180025268 27217573367024 40826360050536 81652720101072
• Sum of all divisors σ(n): 241640186681088
• Sum of proper divisors (its aliquot sum) s(n): 159987466580016
• 81652720101072 is an abundant number, because the sum of its proper divisors (159987466580016) is greater than itself. Its abundance is 78334746478944

Bases of 81652720101072

• Binary: 10010100100001101000001011000000110011011010000₂
• Hexadecimal: 0x4A43416066D0
• Base-36: SXYQPC5AO

Squares and roots of 81652720101072

• 81652720101072 squared (81652720101072²) is 6667166699904007441895549184
• 81652720101072 cubed (81652720101072³) is 544392296414449819223711386934647427125248
• The square root of 81652720101072 is 9036189.4679711093
• The cube root of 81652720101072 is 43383.3967263383

Scales and comparisons

• 81,652,720,101,072 seconds is equal to 2,596,303 years, 48 weeks, 2 days, 19 hours, 11 minutes, 12 seconds.
• To count from 1 to 81,652,720,101,072 would take you about six million, four hundred ninety thousand, seven hundred fifty-nine 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 81652720101072 cubic inches would be around 3615.3 feet tall.

Recreational maths with 81652720101072

• 81652720101072 backwards is 27010102725618
• The number of decimal digits it has is: 14
• The sum of 81652720101072's digits is 42
• More coming soon!