2139443168

Names of 2139443168

• Cardinal: 2139443168 can be written as Two billion, one hundred thirty-nine million, four hundred forty-three thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 2.139443168 × 10⁹

Factors of 2139443168

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 19643

Divisors of 2139443168

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 16 19 32 38 76 152 181 304 362 608 724 1448 2896 3439 5792 6878 13756 19441 27512 38882 55024 77764 110048 155528 311056 369379 622112 738758 1477516 2955032 3518821 5910064 7037642 11820128 14075284 28150568 56301136 66857599 112602272 133715198 267430396 534860792 1069721584 2139443168
• Sum of all divisors σ(n): 4458439440
• Sum of proper divisors (its aliquot sum) s(n): 2318996272
• 2139443168 is an abundant number, because the sum of its proper divisors (2318996272) is greater than itself. Its abundance is 179553104

Bases of 2139443168

• Binary: 1111111100001010100111111100000₂
• Hexadecimal: 0x7F854FE0
• Base-36: ZDROWW

Squares and roots of 2139443168

• 2139443168 squared (2139443168²) is 4577217069101876224
• 2139443168 cubed (2139443168³) is 9792695786942992983418437632
• The square root of 2139443168 is 46254.1151466547
• The cube root of 2139443168 is 1288.5469623753

Scales and comparisons

• 2,139,443,168 seconds is equal to 68 years, 1 week, 3 days, 1 hour, 46 minutes, 8 seconds.
• To count from 1 to 2,139,443,168 would take you about one hundred thirty-six 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 2139443168 cubic inches would be around 107.4 feet tall.

Recreational maths with 2139443168

• 2139443168 backwards is 8613449312
• The number of decimal digits it has is: 10
• The sum of 2139443168's digits is 41
• More coming soon!