81044320000

Names of 81044320000

• Cardinal: 81044320000 can be written as Eighty-one billion, forty-four million, three hundred twenty thousand.

Scientific notation

• Scientific notation: 8.104432 × 10¹⁰

Factors of 81044320000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 283

Divisors of 81044320000

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 125 128 140 160 175 200 224 250 256 269 280 320 350 400 448 500 538 560 625 640 700 800 875 896 1000 1076 1120 1250 1280 1345 1400 1600 1750 1792 1883 2000 2152 2240 2500 2690 2800 3200 3500 3766 4000 4304 4375 4480 5000 5380 5600 6400 6725 7000 7532 8000 8608 8750 8960 9415 10000 10760 11200 13450 14000 15064 16000 17216 17500 18830 20000 21520 22400 26900 28000 30128 32000 33625 34432 35000 37660 40000 43040 44800 47075 53800 56000 60256 67250 68864 70000 72361 75320 80000 86080 94150 107600 112000 120512 134500 140000 144722 150640 160000 168125 172160 188300 215200 224000 235375 241024 269000 280000 289444 301280 336250 344320 361805 376600 430400 470750 482048 506527 538000 560000 578888 602560 672500 723610 753200 860800 941500 1013054 1076000 1120000 1157776 1176875 1205120 1345000 1447220 1506400 1721600 1809025 1883000 2026108 2152000 2315552 2353750 2410240 2532635 2690000 2894440 3012800 3618050 3766000 4052216 4304000 4631104 4707500 5065270 5380000 5788880 6025600 7236100 7532000 8104432 8608000 9045125 9262208 9415000 10130540 10760000 11577760 12051200 12663175 14472200 15064000 16208864 18090250 18524416 18830000 20261080 21520000 23155520 25326350 28944400 30128000 32417728 36180500 37660000 40522160 43040000 45225625 46311040 50652700 57888800 60256000 63315875 64835456 72361000 75320000 81044320 90451250 92622080 101305400 115777600 126631750 129670912 144722000 150640000 162088640 180902500 202610800 231555200 253263500 289444000 301280000 316579375 324177280 361805000 405221600 463110400 506527000 578888000 633158750 648354560 723610000 810443200 1013054000 1157776000 1266317500 1447220000 1620886400 2026108000 2315552000 2532635000 2894440000 3241772800 4052216000 5065270000 5788880000 8104432000 10130540000 11577760000 16208864000 20261080000 40522160000 81044320000
• Sum of all divisors σ(n): 231891027368
• Sum of proper divisors (its aliquot sum) s(n): 150846707368
• 81044320000 is an abundant number, because the sum of its proper divisors (150846707368) is greater than itself. Its abundance is 69802387368

Bases of 81044320000

• Binary: 1001011011110100111100010111100000000₂
• Hexadecimal: 0x12DE9E2F00
• Base-36: 118BP1J4

Squares and roots of 81044320000

• 81044320000 squared (81044320000²) is 6568181804262400000000
• 81044320000 cubed (81044320000³) is 532313827962819309568000000000000
• The square root of 81044320000 is 284682.8410705501
• The cube root of 81044320000 is 4327.5377090239

Scales and comparisons

• 81,044,320,000 seconds is equal to 2,576 years, 49 weeks, 5 days, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 81,044,320,000 would take you about five thousand, one hundred fifty-three 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 81044320000 cubic inches would be around 360.6 feet tall.

Recreational maths with 81044320000

• 81044320000 backwards is 00002344018
• The number of decimal digits it has is: 11
• The sum of 81044320000's digits is 22
• More coming soon!