21480818118

Names of 21480818118

• Cardinal: 21480818118 can be written as Twenty-one billion, four hundred eighty million, eight hundred eighteen thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 2.1480818118 × 10¹⁰

Factors of 21480818118

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 5516

Divisors of 21480818118

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 3 6 919 1123 1838 2246 2757 3369 3469 5514 6738 6938 10407 20814 1032037 2064074 3096111 3188011 3895687 6192222 6376022 7791374 9564033 11687061 19128066 23374122 3580136353 7160272706 10740409059 21480818118
• Sum of all divisors σ(n): 43059091200
• Sum of proper divisors (its aliquot sum) s(n): 21578273082
• 21480818118 is an abundant number, because the sum of its proper divisors (21578273082) is greater than itself. Its abundance is 97454964

Bases of 21480818118

• Binary: 10100000000010110110100010111000110₂
• Hexadecimal: 0x5005B45C6
• Base-36: 9V94HC6

Squares and roots of 21480818118

• 21480818118 squared (21480818118²) is 461425547018597061924
• 21480818118 cubed (21480818118³) is 9911798250505140650718627139032
• The square root of 21480818118 is 146563.3587156081
• The cube root of 21480818118 is 2779.8216902525

Scales and comparisons

• 21,480,818,118 seconds is equal to 683 years, 1 week, 1 day, 13 hours, 55 minutes, 18 seconds.
• To count from 1 to 21,480,818,118 would take you about one thousand, three hundred sixty-six 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 21480818118 cubic inches would be around 231.7 feet tall.

Recreational maths with 21480818118

• 21480818118 backwards is 81181808412
• The number of decimal digits it has is: 11
• The sum of 21480818118's digits is 42
• More coming soon!