138106488186

Names of 138106488186

• Cardinal: 138106488186 can be written as One hundred thirty-eight billion, one hundred six million, four hundred eighty-eight thousand, one hundred eighty-six.

Scientific notation

• Scientific notation: 1.38106488186 × 10¹¹

Factors of 138106488186

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 329

Divisors of 138106488186

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 9 18 27 31 54 62 93 186 279 293 558 586 837 879 961 1674 1758 1922 2637 2883 5274 5766 7911 8649 9083 15822 17298 18166 25947 27249 29791 51894 54498 59582 81747 85849 89373 163494 171698 178746 245241 257547 268119 281573 490482 515094 536238 563146 772641 804357 844719 1545282 1608714 1689438 2317923 2534157 2661319 4635846 5068314 5322638 7602471 7983957 8728763 15204942 15967914 17457526 23951871 26186289 47903742 52372578 71855613 78558867 82500889 143711226 157117734 165001778 235676601 247502667 471353202 495005334 742508001 1485016002 2227524003 2557527559 4455048006 5115055118 7672582677 15345165354 23017748031 46035496062 69053244093 138106488186
• Sum of all divisors σ(n): 318219133440
• Sum of proper divisors (its aliquot sum) s(n): 180112645254
• 138106488186 is an abundant number, because the sum of its proper divisors (180112645254) is greater than itself. Its abundance is 42006157068

Bases of 138106488186

• Binary: 10000000100111110010011100010101111010₂
• Hexadecimal: 0x2027C9C57A
• Base-36: 1RG11CAI

Squares and roots of 138106488186

• 138106488186 squared (138106488186²) is 19073402079069757570596
• 138106488186 cubed (138106488186³) is 2634160578899875311793400534978856
• The square root of 138106488186 is 371626.8130611675
• The cube root of 138106488186 is 5168.9781221947

Scales and comparisons

• 138,106,488,186 seconds is equal to 4,391 years, 18 weeks, 4 days, 17 hours, 23 minutes, 6 seconds.
• To count from 1 to 138,106,488,186 would take you about eight thousand, seven hundred eighty-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 138106488186 cubic inches would be around 430.7 feet tall.

Recreational maths with 138106488186

• 138106488186 backwards is 681884601831
• 138106488186 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138106488186's digits is 54
• More coming soon!