12963840

Names of 12963840

• Cardinal: 12963840 can be written as Twelve million, nine hundred sixty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.296384 × 10⁷

Factors of 12963840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 221

Divisors of 12963840

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 211 240 256 320 384 422 480 512 633 640 768 844 960 1024 1055 1266 1280 1536 1688 1920 2048 2110 2532 2560 3072 3165 3376 3840 4096 4220 5064 5120 6144 6330 6752 7680 8440 10128 10240 12288 12660 13504 15360 16880 20256 20480 25320 27008 30720 33760 40512 50640 54016 61440 67520 81024 101280 108032 135040 162048 202560 216064 270080 324096 405120 432128 540160 648192 810240 864256 1080320 1296384 1620480 2160640 2592768 3240960 4321280 6481920 12963840
• Sum of all divisors σ(n): 41675808
• Sum of proper divisors (its aliquot sum) s(n): 28711968
• 12963840 is an abundant number, because the sum of its proper divisors (28711968) is greater than itself. Its abundance is 15748128

Bases of 12963840

• Binary: 110001011101000000000000₂
• Hexadecimal: 0xC5D000
• Base-36: 7PUYO

Squares and roots of 12963840

• 12963840 squared (12963840²) is 168061147545600
• 12963840 cubed (12963840³) is 2178717826997551104000
• The square root of 12963840 is 3600.5332938331
• The cube root of 12963840 is 234.9152553949

Scales and comparisons

• 12,963,840 seconds is equal to 21 weeks, 3 days, 1 hour, 4 minutes.
• To count from 1 to 12,963,840 would take you about thirty-two weeks!

  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 12963840 cubic inches would be around 19.6 feet tall.

Recreational maths with 12963840

• 12963840 backwards is 04836921
• The number of decimal digits it has is: 8
• The sum of 12963840's digits is 33
• More coming soon!