81326059907337

Names of 81326059907337

• Cardinal: 81326059907337 can be written as Eighty-one trillion, three hundred twenty-six billion, fifty-nine million, nine hundred seven thousand, three hundred thirty-seven.

Scientific notation

• Scientific notation: 8.1326059907337 × 10¹³

Factors of 81326059907337

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 800413

Divisors of 81326059907337

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 49 63 73 147 219 441 511 657 1533 3169 3577 4599 9507 10731 22183 28521 32193 66549 155281 199647 231337 465843 694011 797161 1397529 1619359 2082033 2391483 4858077 5580127 7174449 11335513 14574231 16740381 34006539 39060889 50221143 58192753 102019617 117182667 174578259 351548001 407349271 523734777 1222047813 2526203209 2851444897 3666143439 7578609627 8554334691 17683422463 22735828881 25663004073 53050267389 123783957241 159150802167 184412834257 371351871723 553238502771 1114055615169 1290889839799 1659715508313 3872669519397 9036228878593 11618008558191 27108686635779 81326059907337
• Sum of all divisors σ(n): 138565712112360
• Sum of proper divisors (its aliquot sum) s(n): 57239652205023
• 81326059907337 is a deficient number, because the sum of its proper divisors (57239652205023) is less than itself. Its deficiency is 24086407702314

Bases of 81326059907337

• Binary: 10010011111011100110010111010010110100100001001₂
• Hexadecimal: 0x49F732E96909
• Base-36: STSOCAIO9

Squares and roots of 81326059907337

• 81326059907337 squared (81326059907337²) is 6613928020051766613026431569
• 81326059907337 cubed (81326059907337³) is 537884706381544762554927505703519911521753
• The square root of 81326059907337 is 9018096.2462892909
• The cube root of 81326059907337 is 43325.4661424583

Scales and comparisons

• 81,326,059,907,337 seconds is equal to 2,585,917 years, 7 weeks, 4 days, 12 hours, 28 minutes, 57 seconds.
• To count from 1 to 81,326,059,907,337 would take you about six million, four hundred sixty-four thousand, seven hundred ninety-two 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 81326059907337 cubic inches would be around 3610.5 feet tall.

Recreational maths with 81326059907337

• 81326059907337 backwards is 73370995062318
• 81326059907337 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 81326059907337's digits is 63
• More coming soon!