81831465324

Names of 81831465324

• Cardinal: 81831465324 can be written as Eighty-one billion, eight hundred thirty-one million, four hundred sixty-five thousand, three hundred twenty-four.

Scientific notation

• Scientific notation: 8.1831465324 × 10¹⁰

Factors of 81831465324

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 17326

Divisors of 81831465324

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 2423 4846 7269 9692 14538 14891 16961 21807 29076 29782 33922 43614 44673 50883 59564 65421 67844 87228 89346 101766 104237 130842 134019 152649 178692 196263 203532 208474 261684 268038 305298 312711 392526 402057 416948 457947 536076 610596 625422 785052 804114 915894 938133 1206171 1250844 1373841 1608228 1831788 1876266 2412342 2747682 2814399 3752532 4824684 5495364 5628798 8443197 11257596 16886394 33772788 36080893 72161786 108242679 144323572 216485358 252566251 324728037 432970716 505132502 649456074 757698753 974184111 1010265004 1298912148 1515397506 1948368222 2273096259 2922552333 3030795012 3896736444 4546192518 5845104666 6819288777 9092385036 11690209332 13638577554 20457866331 27277155108 40915732662 81831465324
• Sum of all divisors σ(n): 244601457408
• Sum of proper divisors (its aliquot sum) s(n): 162769992084
• 81831465324 is an abundant number, because the sum of its proper divisors (162769992084) is greater than itself. Its abundance is 80938526760

Bases of 81831465324

• Binary: 1001100001101100010010001000101101100₂
• Hexadecimal: 0x130D89116C
• Base-36: 11LCCAR0

Squares and roots of 81831465324

• 81831465324 squared (81831465324²) is 6696388717073014424976
• 81831465324 cubed (81831465324³) is 547975301097185226693575343532224
• The square root of 81831465324 is 286061.9955953605
• The cube root of 81831465324 is 4341.5030386925

Scales and comparisons

• 81,831,465,324 seconds is equal to 2,601 years, 51 weeks, 2 days, 10 hours, 35 minutes, 24 seconds.
• To count from 1 to 81,831,465,324 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 81831465324 cubic inches would be around 361.8 feet tall.

Recreational maths with 81831465324

• 81831465324 backwards is 42356413818
• The number of decimal digits it has is: 11
• The sum of 81831465324's digits is 45
• More coming soon!