188355312138

Names of 188355312138

• Cardinal: 188355312138 can be written as One hundred eighty-eight billion, three hundred fifty-five million, three hundred twelve thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.88355312138 × 10¹¹

Factors of 188355312138

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4741

Divisors of 188355312138

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 14 21 42 49 98 127 147 254 294 381 762 889 1778 1801 2667 2801 3602 5334 5403 5602 6223 8403 10806 12446 12607 16806 18669 19607 25214 37338 37821 39214 58821 75642 88249 117642 137249 176498 228727 264747 274498 355727 411747 457454 529494 686181 711454 823494 1067181 1372362 1601089 2134362 2490089 3202178 4803267 4980178 5044601 7470267 9606534 10089202 11207623 14940534 15133803 17430623 22415246 30267606 33622869 34861246 35312207 52291869 67245738 70624414 104583738 105936621 211873242 247185449 494370898 640664327 741556347 1281328654 1483112694 1921992981 3843985962 4484650289 8969300578 13453950867 26907901734 31392552023 62785104046 94177656069 188355312138
• Sum of all divisors σ(n): 442067908608
• Sum of proper divisors (its aliquot sum) s(n): 253712596470
• 188355312138 is an abundant number, because the sum of its proper divisors (253712596470) is greater than itself. Its abundance is 65357284332

Bases of 188355312138

• Binary: 10101111011010110110011111101000001010₂
• Hexadecimal: 0x2BDAD9FA0A
• Base-36: 2EJ1W0ZU

Squares and roots of 188355312138

• 188355312138 squared (188355312138²) is 35477723610603410131044
• 188355312138 cubed (188355312138³) is 6682417704620897681760024103812072
• The square root of 188355312138 is 433999.2075315347
• The cube root of 188355312138 is 5732.2610171277

Scales and comparisons

• 188,355,312,138 seconds is equal to 5,989 years, 6 weeks, 8 hours, 2 minutes, 18 seconds.
• To count from 1 to 188,355,312,138 would take you about eleven thousand, nine hundred seventy-eight 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 188355312138 cubic inches would be around 477.7 feet tall.

Recreational maths with 188355312138

• 188355312138 backwards is 831213553881
• The number of decimal digits it has is: 12
• The sum of 188355312138's digits is 48
• More coming soon!