256000000

Names of 256000000

• Cardinal: 256000000 can be written as Two hundred fifty-six million.

Scientific notation

• Scientific notation: 2.56 × 10⁸

Factors of 256000000

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 7

Divisors of 256000000

• Number of divisors d(n): 105
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 625 640 800 1000 1024 1250 1280 1600 2000 2048 2500 2560 3125 3200 4000 4096 5000 5120 6250 6400 8000 8192 10000 10240 12500 12800 15625 16000 16384 20000 20480 25000 25600 31250 32000 40000 40960 50000 51200 62500 64000 80000 81920 100000 102400 125000 128000 160000 200000 204800 250000 256000 320000 400000 409600 500000 512000 640000 800000 1000000 1024000 1280000 1600000 2000000 2048000 2560000 3200000 4000000 5120000 6400000 8000000 10240000 12800000 16000000 25600000 32000000 51200000 64000000 128000000 256000000
• Sum of all divisors σ(n): 639972277
• Sum of proper divisors (its aliquot sum) s(n): 383972277
• 256000000 is an abundant number, because the sum of its proper divisors (383972277) is greater than itself. Its abundance is 127972277

Bases of 256000000

• Binary: 1111010000100100000000000000₂
• Hexadecimal: 0xF424000
• Base-36: 48EYV4

Squares and roots of 256000000

• 256000000 squared (256000000²) is 65536000000000000
• 256000000 cubed (256000000³) is 16777216000000000000000000
• 256000000 is a perfect square number. Its square root is 16000
• The cube root of 256000000 is 634.9604207869
• Being both a perfect square and a perfect cube, 256000000 is also a perfect sixth number.

Scales and comparisons

• 256,000,000 seconds is equal to 8 years, 7 weeks, 1 day, 23 hours, 6 minutes, 40 seconds.
• To count from 1 to 256,000,000 would take you about twelve 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 256000000 cubic inches would be around 52.9 feet tall.

Recreational maths with 256000000

• 256000000 backwards is 000000652
• The number of decimal digits it has is: 9
• The sum of 256000000's digits is 13
• More coming soon!