1218388314

Names of 1218388314

• Cardinal: 1218388314 can be written as One billion, two hundred eighteen million, three hundred eighty-eight thousand, three hundred fourteen.

Scientific notation

• Scientific notation: 1.218388314 × 10⁹

Factors of 1218388314

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3823

Divisors of 1218388314

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 13 22 26 33 39 66 78 143 286 421 429 842 858 1263 2526 3373 4631 5473 6746 9262 10119 10946 13893 16419 20238 27786 32838 37103 43849 60203 74206 87698 111309 120406 131547 180609 222618 263094 361218 482339 964678 1420033 1447017 2840066 2894034 4260099 8520198 15620363 18460429 31240726 36920858 46861089 55381287 93722178 110762574 203064719 406129438 609194157 1218388314
• Sum of all divisors σ(n): 2870437248
• Sum of proper divisors (its aliquot sum) s(n): 1652048934
• 1218388314 is an abundant number, because the sum of its proper divisors (1652048934) is greater than itself. Its abundance is 433660620

Bases of 1218388314

• Binary: 1001000100111110010000101011010₂
• Hexadecimal: 0x489F215A
• Base-36: K5EAFU

Squares and roots of 1218388314

• 1218388314 squared (1218388314²) is 1484470083691762596
• 1218388314 cubed (1218388314³) is 1808661002452645525028703144
• The square root of 1218388314 is 34905.4195505511
• The cube root of 1218388314 is 1068.0589942723

Scales and comparisons

• 1,218,388,314 seconds is equal to 38 years, 38 weeks, 3 days, 17 hours, 11 minutes, 54 seconds.
• To count from 1 to 1,218,388,314 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 1218388314 cubic inches would be around 89 feet tall.

Recreational maths with 1218388314

• 1218388314 backwards is 4138838121
• 1218388314 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1218388314's digits is 39
• More coming soon!