1218810012

Names of 1218810012

• Cardinal: 1218810012 can be written as One billion, two hundred eighteen million, eight hundred ten thousand and twelve.

Scientific notation

• Scientific notation: 1.218810012 × 10⁹

Factors of 1218810012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7777

Divisors of 1218810012

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 31 42 61 62 84 93 122 124 183 186 217 244 366 372 427 434 651 732 854 868 1281 1302 1708 1891 2562 2604 3782 5124 5673 7564 7673 11346 13237 15346 22692 23019 26474 30692 39711 46038 52948 53711 79422 92076 107422 158844 161133 214844 237863 322266 468053 475726 644532 713589 936106 951452 1404159 1427178 1665041 1872212 2808318 2854356 3276371 3330082 4995123 5616636 6552742 6660164 9829113 9990246 13105484 14509643 19658226 19980492 29019286 39316452 43528929 58038572 87057858 101567501 174115716 203135002 304702503 406270004 609405006 1218810012
• Sum of all divisors σ(n): 3410448384
• Sum of proper divisors (its aliquot sum) s(n): 2191638372
• 1218810012 is an abundant number, because the sum of its proper divisors (2191638372) is greater than itself. Its abundance is 972828360

Bases of 1218810012

• Binary: 1001000101001011001000010011100₂
• Hexadecimal: 0x48A5909C
• Base-36: K5NBTO

Squares and roots of 1218810012

• 1218810012 squared (1218810012²) is 1485497845351440144
• 1218810012 cubed (1218810012³) is 1810539646718762906125921728
• The square root of 1218810012 is 34911.4596085583
• The cube root of 1218810012 is 1068.1822024987

Scales and comparisons

• 1,218,810,012 seconds is equal to 38 years, 39 weeks, 1 day, 14 hours, 20 minutes, 12 seconds.
• To count from 1 to 1,218,810,012 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 1218810012 cubic inches would be around 89 feet tall.

Recreational maths with 1218810012

• 1218810012 backwards is 2100188121
• The number of decimal digits it has is: 10
• The sum of 1218810012's digits is 24
• More coming soon!