1200040128

Names of 1200040128

• Cardinal: 1200040128 can be written as One billion, two hundred million, forty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.200040128 × 10⁹

Factors of 1200040128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 297641

Divisors of 1200040128

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 144 168 192 224 252 288 336 448 504 576 672 1008 1344 2016 4032 297629 595258 892887 1190516 1785774 2083403 2381032 2678661 3571548 4166806 4762064 5357322 6250209 7143096 8333612 9524128 10714644 12500418 14286192 16667224 18750627 19048256 21429288 25000836 28572384 33334448 37501254 42858576 50001672 57144768 66668896 75002508 85717152 100003344 133337792 150005016 171434304 200006688 300010032 400013376 600020064 1200040128
• Sum of all divisors σ(n): 3931097040
• Sum of proper divisors (its aliquot sum) s(n): 2731056912
• 1200040128 is an abundant number, because the sum of its proper divisors (2731056912) is greater than itself. Its abundance is 1531016784

Bases of 1200040128

• Binary: 1000111100001110010100011000000₂
• Hexadecimal: 0x478728C0
• Base-36: JUH0W0

Squares and roots of 1200040128

• 1200040128 squared (1200040128²) is 1440096308810256384
• 1200040128 cubed (1200040128³) is 1728173358756987598768177152
• The square root of 1200040128 is 34641.5953443257
• The cube root of 1200040128 is 1062.6704141515

Scales and comparisons

• 1,200,040,128 seconds is equal to 38 years, 8 weeks, 1 day, 8 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,200,040,128 would take you about seventy-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 1200040128 cubic inches would be around 88.6 feet tall.

Recreational maths with 1200040128

• 1200040128 backwards is 8210400021
• 1200040128 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1200040128's digits is 18
• More coming soon!