71724201138

Names of 71724201138

• Cardinal: 71724201138 can be written as Seventy-one billion, seven hundred twenty-four million, two hundred one thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 7.1724201138 × 10¹⁰

Factors of 71724201138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 25682

Divisors of 71724201138

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 54 97 194 291 547 582 873 1094 1641 1746 2619 3282 4923 5238 9846 14769 25033 29538 50066 53059 75099 106118 150198 159177 225297 318354 450594 477531 675891 955062 1351782 1432593 2428201 2865186 4856402 7284603 13693051 14569206 21853809 27386102 41079153 43707618 65561427 82158306 123237459 131122854 246474918 369712377 739424754 1328225947 2656451894 3984677841 7969355682 11954033523 23908067046 35862100569 71724201138
• Sum of all divisors σ(n): 161331112320
• Sum of proper divisors (its aliquot sum) s(n): 89606911182
• 71724201138 is an abundant number, because the sum of its proper divisors (89606911182) is greater than itself. Its abundance is 17882710044

Bases of 71724201138

• Binary: 1000010110011000110000111010010110010₂
• Hexadecimal: 0x10B31874B2
• Base-36: WY6QJSI

Squares and roots of 71724201138

• 71724201138 squared (71724201138²) is 5144361028884280495044
• 71724201138 cubed (71724201138³) is 368975185162184761952946068160072
• The square root of 71724201138 is 267813.7433702761
• The cube root of 71724201138 is 4154.8489533121

Scales and comparisons

• 71,724,201,138 seconds is equal to 2,280 years, 31 weeks, 4 days, 5 hours, 12 minutes, 18 seconds.
• To count from 1 to 71,724,201,138 would take you about four thousand, five hundred sixty-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 71724201138 cubic inches would be around 346.2 feet tall.

Recreational maths with 71724201138

• 71724201138 backwards is 83110242717
• The number of decimal digits it has is: 11
• The sum of 71724201138's digits is 36
• More coming soon!