18918380760

Names of 18918380760

• Cardinal: 18918380760 can be written as Eighteen billion, nine hundred eighteen million, three hundred eighty thousand, seven hundred sixty.

Scientific notation

• Scientific notation: 1.891838076 × 10¹⁰

Factors of 18918380760

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 792436

Divisors of 18918380760

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 199 398 597 796 995 1194 1592 1990 2388 2985 3980 4776 5970 7960 11940 23880 792227 1584454 2376681 3168908 3961135 4753362 6337816 7922270 9506724 11883405 15844540 19013448 23766810 31689080 47533620 95067240 157653173 315306346 472959519 630612692 788265865 945919038 1261225384 1576531730 1891838076 2364797595 3153063460 3783676152 4729595190 6306126920 9459190380 18918380760
• Sum of all divisors σ(n): 57040416000
• Sum of proper divisors (its aliquot sum) s(n): 38122035240
• 18918380760 is an abundant number, because the sum of its proper divisors (38122035240) is greater than itself. Its abundance is 19203654480

Bases of 18918380760

• Binary: 10001100111100111111001010011011000₂
• Hexadecimal: 0x4679F94D8
• Base-36: 8OVIK0O

Squares and roots of 18918380760

• 18918380760 squared (18918380760²) is 357905130580338177600
• 18918380760 cubed (18918380760³) is 6770985536276357413401302976000
• The square root of 18918380760 is 137544.1047809755
• The cube root of 18918380760 is 2664.5752360509

Scales and comparisons

• 18,918,380,760 seconds is equal to 601 years, 28 weeks, 2 days, 17 hours, 46 minutes.
• To count from 1 to 18,918,380,760 would take you about one thousand, two hundred three 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 18918380760 cubic inches would be around 222 feet tall.

Recreational maths with 18918380760

• 18918380760 backwards is 06708381981
• The number of decimal digits it has is: 11
• The sum of 18918380760's digits is 51
• More coming soon!