16389978688

Names of 16389978688

• Cardinal: 16389978688 can be written as Sixteen billion, three hundred eighty-nine million, nine hundred seventy-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.6389978688 × 10¹⁰

Factors of 16389978688

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1948

Divisors of 16389978688

• Number of divisors d(n): 42
• Complete list of divisors:
  1 2 4 8 16 32 64 73 146 292 584 1168 1873 2336 3746 4672 7492 14984 29968 59936 119872 136729 273458 546916 1093832 2187664 3508129 4375328 7016258 8750656 14032516 28065032 56130064 112260128 224520256 256093417 512186834 1024373668 2048747336 4097494672 8194989344 16389978688
• Sum of all divisors σ(n): 32987008194
• Sum of proper divisors (its aliquot sum) s(n): 16597029506
• 16389978688 is an abundant number, because the sum of its proper divisors (16597029506) is greater than itself. Its abundance is 207050818

Bases of 16389978688

• Binary: 1111010000111010110011101001000000₂
• Hexadecimal: 0x3D0EB3A40
• Base-36: 7J264HS

Squares and roots of 16389978688

• 16389978688 squared (16389978688²) is 268631401393094201344
• 16389978688 cubed (16389978688³) is 4402862943760387470404540956672
• The square root of 16389978688 is 128023.3521198379
• The cube root of 16389978688 is 2540.1505835871

Scales and comparisons

• 16,389,978,688 seconds is equal to 521 years, 7 weeks, 5 days, 19 hours, 51 minutes, 28 seconds.
• To count from 1 to 16,389,978,688 would take you about one thousand and forty-two 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 16389978688 cubic inches would be around 211.7 feet tall.

Recreational maths with 16389978688

• 16389978688 backwards is 88687998361
• 16389978688 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 16389978688's digits is 73
• More coming soon!