138234126072

Names of 138234126072

• Cardinal: 138234126072 can be written as One hundred thirty-eight billion, two hundred thirty-four million, one hundred twenty-six thousand and seventy-two.

Scientific notation

• Scientific notation: 1.38234126072 × 10¹¹

Factors of 138234126072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 81216

Divisors of 138234126072

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 11867 23734 35601 47468 69337 71202 83069 94936 138674 142404 166138 208011 249207 277348 284808 332276 416022 485359 498414 554696 664552 832044 970718 996828 1456077 1664088 1941436 1993656 2912154 3882872 5824308 11648616 822822179 1645644358 2468466537 3291288716 4936933074 5759755253 6582577432 9873866148 11519510506 17279265759 19747732296 23039021012 34558531518 46078042024 69117063036 138234126072
• Sum of all divisors σ(n): 394993624320
• Sum of proper divisors (its aliquot sum) s(n): 256759498248
• 138234126072 is an abundant number, because the sum of its proper divisors (256759498248) is greater than itself. Its abundance is 118525372176

Bases of 138234126072

• Binary: 10000000101111011001010101111011111000₂
• Hexadecimal: 0x202F655EF8
• Base-36: 1RI512BC

Squares and roots of 138234126072

• 138234126072 squared (138234126072²) is 19108673610889590149184
• 138234126072 cubed (138234126072³) is 2641470796996411076754710343925248
• The square root of 138234126072 is 371798.5019765411
• The cube root of 138234126072 is 5170.5700201189

Scales and comparisons

• 138,234,126,072 seconds is equal to 4,395 years, 21 weeks, 5 days, 21 minutes, 12 seconds.
• To count from 1 to 138,234,126,072 would take you about eight thousand, seven hundred ninety 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 138234126072 cubic inches would be around 430.9 feet tall.

Recreational maths with 138234126072

• 138234126072 backwards is 270621432831
• The number of decimal digits it has is: 12
• The sum of 138234126072's digits is 39
• More coming soon!