18142647456

Names of 18142647456

• Cardinal: 18142647456 can be written as Eighteen billion, one hundred forty-two million, six hundred forty-seven thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.8142647456 × 10¹⁰

Factors of 18142647456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 27917

Divisors of 18142647456

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 96 11551 16361 23102 32722 34653 46204 49083 65444 69306 92408 98166 130888 138612 184816 196332 261776 277224 369632 392664 523552 554448 785328 1108896 1570656 188985911 377971822 566957733 755943644 1133915466 1511887288 2267830932 3023774576 4535661864 6047549152 9071323728 18142647456
• Sum of all divisors σ(n): 47631483648
• Sum of proper divisors (its aliquot sum) s(n): 29488836192
• 18142647456 is an abundant number, because the sum of its proper divisors (29488836192) is greater than itself. Its abundance is 11346188736

Bases of 18142647456

• Binary: 10000111001011000101101010010100000₂
• Hexadecimal: 0x43962D4A0
• Base-36: 8C1NWDC

Squares and roots of 18142647456

• 18142647456 squared (18142647456²) is 329155656712703271936
• 18142647456 cubed (18142647456³) is 5971755037886735339472546594816
• The square root of 18142647456 is 134694.6452387771
• The cube root of 18142647456 is 2627.6461880825

Scales and comparisons

• 18,142,647,456 seconds is equal to 576 years, 45 weeks, 5 days, 8 hours, 17 minutes, 36 seconds.
• To count from 1 to 18,142,647,456 would take you about one thousand, one hundred fifty-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 18142647456 cubic inches would be around 219 feet tall.

Recreational maths with 18142647456

• 18142647456 backwards is 65474624181
• 18142647456 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18142647456's digits is 48
• More coming soon!