18078419072

Names of 18078419072

• Cardinal: 18078419072 can be written as Eighteen billion, seventy-eight million, four hundred nineteen thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8078419072 × 10¹⁰

Factors of 18078419072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 169579

Divisors of 18078419072

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 17 28 32 34 49 56 64 68 98 112 119 128 136 196 224 238 272 392 448 476 544 784 833 896 952 1088 1568 1666 1904 2176 3136 3332 3808 6272 6664 7616 13328 15232 26656 53312 106624 169553 339106 678212 1186871 1356424 2373742 2712848 2882401 4747484 5425696 5764802 8308097 9494968 10851392 11529604 16616194 18989936 20176807 21702784 23059208 33232388 37979872 40353614 46118416 66464776 75959744 80707228 92236832 132929552 141237649 151919488 161414456 184473664 265859104 282475298 322828912 368947328 531718208 564950596 645657824 1063436416 1129901192 1291315648 2259802384 2582631296 4519604768 9039209536 18078419072
• Sum of all divisors σ(n): 44360413020
• Sum of proper divisors (its aliquot sum) s(n): 26281993948
• 18078419072 is an abundant number, because the sum of its proper divisors (26281993948) is greater than itself. Its abundance is 8203574876

Bases of 18078419072

• Binary: 10000110101100011101100100010000000₂
• Hexadecimal: 0x4358EC880
• Base-36: 8AZF9FK

Squares and roots of 18078419072

• 18078419072 squared (18078419072²) is 326829236142853341184
• 18078419072 cubed (18078419072³) is 5908555895972151559759748661248
• The square root of 18078419072 is 134456.0116618071
• The cube root of 18078419072 is 2624.5417345205

Scales and comparisons

• 18,078,419,072 seconds is equal to 574 years, 43 weeks, 3 days, 23 hours, 4 minutes, 32 seconds.
• To count from 1 to 18,078,419,072 would take you about one thousand, one hundred forty-nine 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 18078419072 cubic inches would be around 218.7 feet tall.

Recreational maths with 18078419072

• 18078419072 backwards is 27091487081
• The number of decimal digits it has is: 11
• The sum of 18078419072's digits is 47
• More coming soon!