82181221531728

Names of 82181221531728

• Cardinal: 82181221531728 can be written as Eighty-two trillion, one hundred eighty-one billion, two hundred twenty-one million, five hundred thirty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 8.2181221531728 × 10¹³

Factors of 82181221531728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 233352771

Divisors of 82181221531728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 23 24 29 33 44 46 48 58 66 69 87 88 92 116 132 138 174 176 184 232 253 264 276 319 348 368 464 506 528 552 638 667 696 759 957 1012 1104 1276 1334 1392 1518 1914 2001 2024 2552 2668 3036 3828 4002 4048 5104 5336 6072 7337 7656 8004 10672 12144 14674 15312 16008 22011 29348 32016 44022 58696 88044 117392 176088 352176 233352703 466705406 700058109 933410812 1400116218 1866821624 2566879733 2800232436 3733643248 5133759466 5367112169 5600464872 6767228387 7700639199 10267518932 10734224338 11200929744 13534456774 15401278398 16101336507 20301685161 20535037864 21468448676 27068913548 30802556796 32202673014 40603370322 41070075728 42936897352 54137827096 59038233859 61605113592 64405346028 74439512257 81206740644 85873794704 108275654192 118076467718 123210227184 128810692056 148879024514 155646252901 162413481288 177114701577 223318536771 236152935436 257621384112 297758049028 311292505802 324826962576 354229403154 446637073542 466938758703 472305870872 595516098056 622585011604 708458806308 893274147084 933877517406 944611741744 1191032196112 1245170023208 1416917612616 1712108781911 1786548294168 1867755034812 2490340046416 2833835225232 3424217563822 3573096588336 3735510069624 5136326345733 6848435127644 7471020139248 10272652691466 13696870255288 20545305382932 27393740510576 41090610765864 82181221531728
• Sum of all divisors σ(n): 250004752957440
• Sum of proper divisors (its aliquot sum) s(n): 167823531425712
• 82181221531728 is an abundant number, because the sum of its proper divisors (167823531425712) is greater than itself. Its abundance is 85642309893984

Bases of 82181221531728

• Binary: 10010101011111001001110100001000100000001010000₂
• Hexadecimal: 0x4ABE4E844050
• Base-36: T4PJ5FZ2O

Squares and roots of 82181221531728

• 82181221531728 squared (82181221531728²) is 6753753172446953842510665984
• 82181221531728 cubed (82181221531728³) is 555031685635473891387042108858797866340352
• The square root of 82181221531728 is 9065385.9008719535
• The cube root of 82181221531728 is 43476.7959271127

Scales and comparisons

• 82,181,221,531,728 seconds is equal to 2,613,108 years, 33 weeks, 2 days, 12 hours, 8 minutes, 48 seconds.
• To count from 1 to 82,181,221,531,728 would take you about six million, five hundred thirty-two thousand, seven hundred seventy-one 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 82181221531728 cubic inches would be around 3623.1 feet tall.

Recreational maths with 82181221531728

• 82181221531728 backwards is 82713512218128
• The number of decimal digits it has is: 14
• The sum of 82181221531728's digits is 51
• More coming soon!