27138608644

Names of 27138608644

• Cardinal: 27138608644 can be written as Twenty-seven billion, one hundred thirty-eight million, six hundred eight thousand, six hundred forty-four.

Scientific notation

• Scientific notation: 2.7138608644 × 10¹⁰

Factors of 27138608644

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 50

Divisors of 27138608644

• Number of divisors d(n): 75
• Complete list of divisors:
  1 2 4 7 14 28 41 49 82 98 164 196 287 343 574 686 1148 1372 1681 2009 2401 3362 4018 4802 6724 8036 9604 11767 14063 23534 28126 47068 56252 68921 82369 98441 137842 164738 196882 275684 329476 393764 482447 576583 964894 1153166 1929788 2306332 2825761 3377129 4036081 5651522 6754258 8072162 11303044 13508516 16144324 19780327 23639903 39560654 47279806 79121308 94559612 138462289 165479321 276924578 330958642 553849156 661917284 969236023 1938472046 3876944092 6784652161 13569304322 27138608644
• Sum of all divisors σ(n): 56789812835
• Sum of proper divisors (its aliquot sum) s(n): 29651204191
• 27138608644 is an abundant number, because the sum of its proper divisors (29651204191) is greater than itself. Its abundance is 2512595547

Bases of 27138608644

• Binary: 11001010001100101100100111000000100₂
• Hexadecimal: 0x651964E04
• Base-36: CGTMKG4

Squares and roots of 27138608644

• 27138608644 squared (27138608644²) is 736504079132191518736
• 27138608644 cubed (27138608644³) is 19987695968278152769032297553984
• 27138608644 is a perfect square number. Its square root is 164738
• The cube root of 27138608644 is 3005.1248936513

Scales and comparisons

• 27,138,608,644 seconds is equal to 862 years, 48 weeks, 6 hours, 24 minutes, 4 seconds.
• To count from 1 to 27,138,608,644 would take you about one thousand, seven hundred twenty-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 27138608644 cubic inches would be around 250.4 feet tall.

Recreational maths with 27138608644

• 27138608644 backwards is 44680683172
• 27138608644 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 27138608644's digits is 49
• More coming soon!