2128397120

Names of 2128397120

• Cardinal: 2128397120 can be written as Two billion, one hundred twenty-eight million, three hundred ninety-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.12839712 × 10⁹

Factors of 2128397120

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2586

Divisors of 2128397120

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 160 320 2579 5158 10316 12895 20632 25790 41264 51580 82528 103160 165056 206320 412640 825280 6651241 13302482 26604964 33256205 53209928 66512410 106419856 133024820 212839712 266049640 425679424 532099280 1064198560 2128397120
• Sum of all divisors σ(n): 5070211602
• Sum of proper divisors (its aliquot sum) s(n): 2941814482
• 2128397120 is an abundant number, because the sum of its proper divisors (2941814482) is greater than itself. Its abundance is 813417362

Bases of 2128397120

• Binary: 1111110110111001100001101000000₂
• Hexadecimal: 0x7EDCC340
• Base-36: Z76XQ8

Squares and roots of 2128397120

• 2128397120 squared (2128397120²) is 4530074300424294400
• 2128397120 cubed (2128397120³) is 9641797094409082978992128000
• The square root of 2128397120 is 46134.5545117757
• The cube root of 2128397120 is 1286.3255248625

Scales and comparisons

• 2,128,397,120 seconds is equal to 67 years, 35 weeks, 1 day, 5 hours, 25 minutes, 20 seconds.
• To count from 1 to 2,128,397,120 would take you about one hundred thirty-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 2128397120 cubic inches would be around 107.2 feet tall.

Recreational maths with 2128397120

• 2128397120 backwards is 0217938212
• The number of decimal digits it has is: 10
• The sum of 2128397120's digits is 35
• More coming soon!