1218216032

Names of 1218216032

• Cardinal: 1218216032 can be written as One billion, two hundred eighteen million, two hundred sixteen thousand and thirty-two.

Scientific notation

• Scientific notation: 1.218216032 × 10⁹

Factors of 1218216032

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11383

Divisors of 1218216032

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 176 313 352 626 1252 2504 3443 5008 6886 10016 11057 13772 22114 27544 44228 55088 88456 110176 121627 176912 243254 353824 486508 973016 1946032 3460841 3892064 6921682 13843364 27686728 38069251 55373456 76138502 110746912 152277004 304554008 609108016 1218216032
• Sum of all divisors σ(n): 2624992272
• Sum of proper divisors (its aliquot sum) s(n): 1406776240
• 1218216032 is an abundant number, because the sum of its proper divisors (1406776240) is greater than itself. Its abundance is 188560208

Bases of 1218216032

• Binary: 1001000100111001000000001100000₂
• Hexadecimal: 0x489C8060
• Base-36: K5ALI8

Squares and roots of 1218216032

• 1218216032 squared (1218216032²) is 1484050300621825024
• 1218216032 cubed (1218216032³) is 1807893868511926813335584768
• The square root of 1218216032 is 34902.9516230361
• The cube root of 1218216032 is 1068.0086501659

Scales and comparisons

• 1,218,216,032 seconds is equal to 38 years, 38 weeks, 1 day, 17 hours, 20 minutes, 32 seconds.
• To count from 1 to 1,218,216,032 would take you about seventy-seven 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 1218216032 cubic inches would be around 89 feet tall.

Recreational maths with 1218216032

• 1218216032 backwards is 2306128121
• The number of decimal digits it has is: 10
• The sum of 1218216032's digits is 26
• More coming soon!