3138945384

Names of 3138945384

• Cardinal: 3138945384 can be written as Three billion, one hundred thirty-eight million, nine hundred forty-five thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 3.138945384 × 10⁹

Factors of 3138945384

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 96038

Divisors of 3138945384

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 29 47 58 87 94 116 141 174 188 232 282 348 376 564 696 1128 1363 2726 4089 5452 8178 10904 16356 32712 95957 191914 287871 383828 575742 767656 1151484 2302968 2782753 4509979 5565506 8348259 9019958 11131012 13529937 16696518 18039916 22262024 27059874 33393036 36079832 54119748 66786072 108239496 130789391 261578782 392368173 523157564 784736346 1046315128 1569472692 3138945384
• Sum of all divisors σ(n): 8290771200
• Sum of proper divisors (its aliquot sum) s(n): 5151825816
• 3138945384 is an abundant number, because the sum of its proper divisors (5151825816) is greater than itself. Its abundance is 2012880432

Bases of 3138945384

• Binary: 10111011000110001000000101101000₂
• Hexadecimal: 0xBB188168
• Base-36: 1FWUHRC

Squares and roots of 3138945384

• 3138945384 squared (3138945384²) is 9852978123734907456
• 3138945384 cubed (3138945384³) is 30927960200150668598678383104
• The square root of 3138945384 is 56026.2918994287
• The cube root of 3138945384 is 1464.1803914895

Scales and comparisons

• 3,138,945,384 seconds is equal to 99 years, 42 weeks, 9 hours, 16 minutes, 24 seconds.
• To count from 1 to 3,138,945,384 would take you about one hundred ninety-nine 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 3138945384 cubic inches would be around 122 feet tall.

Recreational maths with 3138945384

• 3138945384 backwards is 4835498313
• The number of decimal digits it has is: 10
• The sum of 3138945384's digits is 48
• More coming soon!