82281439872

Names of 82281439872

• Cardinal: 82281439872 can be written as Eighty-two billion, two hundred eighty-one million, four hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 8.2281439872 × 10¹⁰

Factors of 82281439872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 918

Divisors of 82281439872

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 193 216 281 288 384 386 432 439 562 576 579 772 843 864 878 1124 1152 1158 1317 1544 1686 1728 1737 1756 2248 2316 2529 2634 3088 3372 3456 3474 3512 3951 4496 4632 5058 5211 5268 6176 6744 6948 7024 7587 7902 8992 9264 10116 10422 10536 11853 12352 13488 13896 14048 15174 15804 17984 18528 20232 20844 21072 23706 24704 26976 27792 28096 30348 31608 35968 37056 40464 41688 42144 47412 53952 54233 55584 56192 60696 63216 74112 80928 83376 84288 84727 94824 107904 108466 111168 121392 123359 126432 161856 162699 166752 168576 169454 189648 216932 222336 242784 246718 252864 254181 323712 325398 333504 338908 370077 379296 433864 485568 488097 493436 505728 508362 650796 667008 677816 740154 758592 762543 867728 971136 976194 986872 1016724 1110231 1301592 1355632 1464291 1480308 1517184 1525086 1735456 1952388 1973744 2033448 2220462 2287629 2603184 2711264 2928582 2960616 3050172 3330693 3470912 3904776 3947488 4066896 4440924 4575258 5206368 5422528 5857164 5921232 6100344 6661386 6941824 7809552 7894976 8133792 8881848 9150516 10412736 10845056 11714328 11842464 12200688 13322772 15619104 15789952 16267584 17763696 18301032 20825472 23428656 23684928 23808287 24401376 26645544 31238208 32535168 35527392 36602064 46857312 47369856 47616574 48802752 53291088 62476416 71054784 71424861 73204128 93714624 95233148 97605504 106582176 142109568 142849722 146408256 187429248 190466296 213164352 214274583 285699444 292816512 380932592 426328704 428549166 571398888 642823749 761865184 857098332 1142797776 1285647498 1523730368 1714196664 2285595552 2571294996 3047460736 3428393328 4571191104 5142589992 6856786656 9142382208 10285179984 13713573312 20570359968 27427146624 41140719936 82281439872
• Sum of all divisors σ(n): 245529504000
• Sum of proper divisors (its aliquot sum) s(n): 163248064128
• 82281439872 is an abundant number, because the sum of its proper divisors (163248064128) is greater than itself. Its abundance is 80966624256

Bases of 82281439872

• Binary: 1001100101000010110110010001010000000₂
• Hexadecimal: 0x13285B2280
• Base-36: 11SS8TC0

Squares and roots of 82281439872

• 82281439872 squared (82281439872²) is 6770235347409551376384
• 82281439872 cubed (82281439872³) is 557064712657168032534434936782848
• The square root of 82281439872 is 286847.4156620555
• The cube root of 82281439872 is 4349.4461772929

Scales and comparisons

• 82,281,439,872 seconds is equal to 2,616 years, 15 weeks, 2 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 82,281,439,872 would take you about five thousand, two hundred thirty-two 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 82281439872 cubic inches would be around 362.5 feet tall.

Recreational maths with 82281439872

• 82281439872 backwards is 27893418228
• 82281439872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 82281439872's digits is 54
• More coming soon!