18013934656

Names of 18013934656

• Cardinal: 18013934656 can be written as Eighteen billion, thirteen million, nine hundred thirty-four thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.8013934656 × 10¹⁰

Factors of 18013934656

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 904

Divisors of 18013934656

• Number of divisors d(n): 63
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 152 304 361 608 722 883 1216 1444 1766 2888 3532 5776 7064 11552 14128 16777 23104 28256 33554 56512 67108 134216 268432 318763 536864 637526 779689 1073728 1275052 1559378 2550104 3118756 5100208 6237512 10200416 12475024 14814091 20400832 24950048 29628182 49900096 59256364 118512728 237025456 281467729 474050912 562935458 948101824 1125870916 2251741832 4503483664 9006967328 18013934656
• Sum of all divisors σ(n): 37769585751
• Sum of proper divisors (its aliquot sum) s(n): 19755651095
• 18013934656 is an abundant number, because the sum of its proper divisors (19755651095) is greater than itself. Its abundance is 1741716439

Bases of 18013934656

• Binary: 10000110001101101101101010001000000₂
• Hexadecimal: 0x431B6D440
• Base-36: 89X14XS

Squares and roots of 18013934656

• 18013934656 squared (18013934656²) is 324501841790637838336
• 18013934656 cubed (18013934656³) is 5845554973768200052345795772416
• 18013934656 is a perfect square number. Its square root is 134216
• The cube root of 18013934656 is 2621.4174999517

Scales and comparisons

• 18,013,934,656 seconds is equal to 572 years, 40 weeks, 6 days, 14 hours, 44 minutes, 16 seconds.
• To count from 1 to 18,013,934,656 would take you about one thousand, one hundred forty-five 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 18013934656 cubic inches would be around 218.5 feet tall.

Recreational maths with 18013934656

• 18013934656 backwards is 65643931081
• The number of decimal digits it has is: 11
• The sum of 18013934656's digits is 46
• More coming soon!