164127151491

Names of 164127151491

• Cardinal: 164127151491 can be written as One hundred sixty-four billion, one hundred twenty-seven million, one hundred fifty-one thousand, four hundred ninety-one.

Scientific notation

• Scientific notation: 1.64127151491 × 10¹¹

Factors of 164127151491

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 138

Divisors of 164127151491

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 17 47 51 71 141 213 289 799 867 1207 2209 2397 3337 3621 4913 5041 6627 10011 13583 14739 15123 20519 37553 40749 56729 61557 85697 112659 156839 170187 230911 236927 257091 348823 470517 638401 692733 710781 964393 1046469 1456849 1915203 2666263 2893179 4027759 4370547 7998789 10852817 11135569 12083277 16394681 24766433 32558451 33406707 45326471 49184043 68471903 74299299 135979413 189304673 205415709 567914019 770550007 1164022351 2311650021 3218179441 3492067053 9654538323 54709050497 164127151491
• Sum of all divisors σ(n): 240956056080
• Sum of proper divisors (its aliquot sum) s(n): 76828904589
• 164127151491 is a deficient number, because the sum of its proper divisors (76828904589) is less than itself. Its deficiency is 87298246902

Bases of 164127151491

• Binary: 10011000110110101111011001010110000011₂
• Hexadecimal: 0x2636BD9583
• Base-36: 23ED2GLF

Squares and roots of 164127151491

• 164127151491 squared (164127151491²) is 26937721856549663523081
• 164127151491 cubed (164127151491³) is 4421211555972348395617792062063771
• The square root of 164127151491 is 405126.0933228073
• The cube root of 164127151491 is 5475.1179223407

Scales and comparisons

• 164,127,151,491 seconds is equal to 5,218 years, 38 weeks, 1 day, 19 hours, 24 minutes, 51 seconds.
• To count from 1 to 164,127,151,491 would take you about ten thousand, four hundred thirty-seven 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 164127151491 cubic inches would be around 456.3 feet tall.

Recreational maths with 164127151491

• 164127151491 backwards is 194151721461
• The number of decimal digits it has is: 12
• The sum of 164127151491's digits is 42
• More coming soon!