138421946601

Names of 138421946601

• Cardinal: 138421946601 can be written as One hundred thirty-eight billion, four hundred twenty-one million, nine hundred forty-six thousand, six hundred one.

Scientific notation

• Scientific notation: 1.38421946601 × 10¹¹

Factors of 138421946601

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 687

Divisors of 138421946601

• Number of divisors d(n): 45
• Complete list of divisors:
  1 3 9 27 67 81 201 603 617 1809 1851 4489 5427 5553 13467 16659 40401 41339 49977 121203 124017 363609 372051 380689 1116153 1142067 2769713 3348459 3426201 8309139 10278603 24927417 25506163 30835809 74782251 76518489 224346753 229555467 688666401 1708912921 2065999203 5126738763 15380216289 46140648867 138421946601
• Sum of all divisors σ(n): 210251535879
• Sum of proper divisors (its aliquot sum) s(n): 71829589278
• 138421946601 is a deficient number, because the sum of its proper divisors (71829589278) is less than itself. Its deficiency is 66592357323

Bases of 138421946601

• Binary: 10000000111010100101110100100011101001₂
• Hexadecimal: 0x203A9748E9
• Base-36: 1RL8UPK9

Squares and roots of 138421946601

• 138421946601 squared (138421946601²) is 19160635300810095453201
• 138421946601 cubed (138421946601³) is 2652252436449970604864701716519801
• 138421946601 is a perfect square number. Its square root is 372051
• The cube root of 138421946601 is 5172.9107341967

Scales and comparisons

• 138,421,946,601 seconds is equal to 4,401 years, 20 weeks, 1 day, 20 hours, 43 minutes, 21 seconds.
• To count from 1 to 138,421,946,601 would take you about eight thousand, eight hundred 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 138421946601 cubic inches would be around 431.1 feet tall.

Recreational maths with 138421946601

• 138421946601 backwards is 106649124831
• The number of decimal digits it has is: 12
• The sum of 138421946601's digits is 45
• More coming soon!