81827385367

Names of 81827385367

• Cardinal: 81827385367 can be written as Eighty-one billion, eight hundred twenty-seven million, three hundred eighty-five thousand, three hundred sixty-seven.

Scientific notation

• Scientific notation: 8.1827385367 × 10¹⁰

Factors of 81827385367

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 417

Divisors of 81827385367

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 13 19 41 61 91 127 133 149 247 287 427 533 779 793 889 1043 1159 1651 1729 1937 2413 2501 2831 3731 5207 5453 5551 6109 7747 8113 9089 10127 11557 13559 15067 16891 17507 18923 19817 31369 32513 36449 36803 42763 47519 54229 63623 67691 70889 79417 98933 100711 105469 116071 118157 132461 147193 172691 219583 227591 245999 257621 317627 332633 359537 372649 473837 555919 617747 692531 704977 775843 812497 827099 1030351 1154303 1208837 1286129 1508923 1721993 1913509 2223389 2244983 2516759 2608543 4129151 4324229 4673981 4844437 5430901 6034913 7080331 8080121 9002903 10085959 10562461 13394563 14741017 15005939 15714881 21931757 28904057 32717867 33911059 42244391 47326423 49562317 70601713 78453869 92044303 103187119 105041573 153522299 191633221 285112841 331284961 549177083 615243499 644310121 899202037 1341432547 1995789887 4306704493 6294414259 11689626481 81827385367
• Sum of all divisors σ(n): 111992832000
• Sum of proper divisors (its aliquot sum) s(n): 30165446633
• 81827385367 is a deficient number, because the sum of its proper divisors (30165446633) is less than itself. Its deficiency is 51661938734

Bases of 81827385367

• Binary: 1001100001101010010101101000000010111₂
• Hexadecimal: 0x130D4AD017
• Base-36: 11L9WUMV

Squares and roots of 81827385367

• 81827385367 squared (81827385367²) is 6695720995999525724689
• 81827385367 cubed (81827385367³) is 547893342249566256823356749225863
• The square root of 81827385367 is 286054.8642603373
• The cube root of 81827385367 is 4341.4308845403

Scales and comparisons

• 81,827,385,367 seconds is equal to 2,601 years, 44 weeks, 4 days, 5 hours, 16 minutes, 7 seconds.
• To count from 1 to 81,827,385,367 would take you about five thousand, two hundred 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 81827385367 cubic inches would be around 361.8 feet tall.

Recreational maths with 81827385367

• 81827385367 backwards is 76358372818
• The number of decimal digits it has is: 11
• The sum of 81827385367's digits is 58
• More coming soon!