71312738418

Names of 71312738418

• Cardinal: 71312738418 can be written as Seventy-one billion, three hundred twelve million, seven hundred thirty-eight thousand, four hundred eighteen.

Scientific notation

• Scientific notation: 7.1312738418 × 10¹⁰

Factors of 71312738418

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 53964

Divisors of 71312738418

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 6 9 18 19 27 38 54 57 81 114 162 171 342 433 513 866 1026 1299 1539 2598 3078 3897 7794 8227 11691 16454 23382 24681 35073 49362 53507 70146 74043 107014 148086 160521 222129 321042 444258 481563 666387 963126 1016633 1332774 1444689 2033266 2889378 3049899 4334067 6099798 8668134 9149697 18299394 23168531 27449091 46337062 54898182 69505593 82347273 139011186 164694546 208516779 417033558 440202089 625550337 880404178 1251100674 1320606267 1876651011 2641212534 3753302022 3961818801 7923637602 11885456403 23770912806 35656369209 71312738418
• Sum of all divisors σ(n): 168595146720
• Sum of proper divisors (its aliquot sum) s(n): 97282408302
• 71312738418 is an abundant number, because the sum of its proper divisors (97282408302) is greater than itself. Its abundance is 25969669884

Bases of 71312738418

• Binary: 1000010011010100100100000100001110010₂
• Hexadecimal: 0x109A920872
• Base-36: WRDRH4I

Squares and roots of 71312738418

• 71312738418 squared (71312738418²) is 5085506660674093142724
• 71312738418 cubed (71312738418³) is 362661406215648291836444151970632
• The square root of 71312738418 is 267044.4502662431
• The cube root of 71312738418 is 4146.8886229025

Scales and comparisons

• 71,312,738,418 seconds is equal to 2,267 years, 27 weeks, 1 day, 22 hours, 18 seconds.
• To count from 1 to 71,312,738,418 would take you about four thousand, five hundred thirty-five 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 71312738418 cubic inches would be around 345.6 feet tall.

Recreational maths with 71312738418

• 71312738418 backwards is 81483721317
• The number of decimal digits it has is: 11
• The sum of 71312738418's digits is 45
• More coming soon!