82161749120

Names of 82161749120

• Cardinal: 82161749120 can be written as Eighty-two billion, one hundred sixty-one million, seven hundred forty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.216174912 × 10¹⁰

Factors of 82161749120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 17472

Divisors of 82161749120

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 61 64 80 88 110 121 122 128 160 176 220 242 244 305 320 352 440 484 488 605 610 640 671 704 880 968 976 1210 1220 1342 1408 1760 1936 1952 2420 2440 2684 3355 3520 3872 3904 4840 4880 5368 6710 7040 7381 7744 7808 9680 9760 10736 13420 14762 15488 17393 19360 19520 21472 26840 29524 34786 36905 38720 39040 42944 53680 59048 69572 73810 77440 85888 86965 107360 118096 139144 147620 173930 191323 214720 236192 278288 295240 347860 382646 429440 472384 556576 590480 695720 765292 944768 956615 1060973 1113152 1180960 1391440 1530584 1913230 2104553 2121946 2226304 2361920 2782880 3061168 3826460 4209106 4243892 4723840 5304865 5565760 6122336 7652920 8418212 8487784 10522765 10609730 11131520 11670703 12244672 15305840 16836424 16975568 21045530 21219460 23341406 24489344 30611680 33672848 33951136 42091060 42438920 46682812 58353515 61223360 67345696 67902272 84182120 84877840 93365624 116707030 122446720 128377733 134691392 135804544 168364240 169755680 186731248 233414060 256755466 269382784 336728480 339511360 373462496 466828120 513510932 641888665 673456960 679022720 746924992 933656240 1027021864 1283777330 1346913920 1493849984 1867312480 2054043728 2567554660 3734624960 4108087456 5135109320 7469249920 8216174912 10270218640 16432349824 20540437280 41080874560 82161749120
• Sum of all divisors σ(n): 219449313720
• Sum of proper divisors (its aliquot sum) s(n): 137287564600
• 82161749120 is an abundant number, because the sum of its proper divisors (137287564600) is greater than itself. Its abundance is 55125815480

Bases of 82161749120

• Binary: 1001100100001001110001100110010000000₂
• Hexadecimal: 0x132138CC80
• Base-36: 11QSZFCW

Squares and roots of 82161749120

• 82161749120 squared (82161749120²) is 6750553018457820774400
• 82161749120 cubed (82161749120³) is 554637243523790199768176918528000
• The square root of 82161749120 is 286638.7083420521
• The cube root of 82161749120 is 4347.3361789201

Scales and comparisons

• 82,161,749,120 seconds is equal to 2,612 years, 25 weeks, 3 days, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 82,161,749,120 would take you about five thousand, two hundred twenty-four 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 82161749120 cubic inches would be around 362.3 feet tall.

Recreational maths with 82161749120

• 82161749120 backwards is 02194716128
• The number of decimal digits it has is: 11
• The sum of 82161749120's digits is 41
• More coming soon!