1081638912

Names of 1081638912

• Cardinal: 1081638912 can be written as One billion, eighty-one million, six hundred thirty-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.081638912 × 10⁹

Factors of 1081638912

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 11008

Divisors of 1081638912

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 2048 3072 4096 6144 8192 11003 12288 16384 22006 24576 32768 33009 44012 49152 66018 88024 98304 132036 176048 264072 352096 528144 704192 1056288 1408384 2112576 2816768 4225152 5633536 8450304 11267072 16900608 22534144 33801216 45068288 67602432 90136576 135204864 180273152 270409728 360546304 540819456 1081638912
• Sum of all divisors σ(n): 2884588560
• Sum of proper divisors (its aliquot sum) s(n): 1802949648
• 1081638912 is an abundant number, because the sum of its proper divisors (1802949648) is greater than itself. Its abundance is 721310736

Bases of 1081638912

• Binary: 1000000011110001000000000000000₂
• Hexadecimal: 0x40788000
• Base-36: HVZ9XC

Squares and roots of 1081638912

• 1081638912 squared (1081638912²) is 1169942735952543744
• 1081638912 cubed (1081638912³) is 1265455588018012698892566528
• The square root of 1081638912 is 32888.2792496051
• The cube root of 1081638912 is 1026.5042872069

Scales and comparisons

• 1,081,638,912 seconds is equal to 34 years, 20 weeks, 2 days, 23 hours, 15 minutes, 12 seconds.
• To count from 1 to 1,081,638,912 would take you about sixty-eight 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 1081638912 cubic inches would be around 85.5 feet tall.

Recreational maths with 1081638912

• 1081638912 backwards is 2198361801
• The number of decimal digits it has is: 10
• The sum of 1081638912's digits is 39
• More coming soon!