1384892820

Names of 1384892820

• Cardinal: 1384892820 can be written as One billion, three hundred eighty-four million, eight hundred ninety-two thousand, eight hundred twenty.

Scientific notation

• Scientific notation: 1.38489282 × 10⁹

Factors of 1384892820

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8724

Divisors of 1384892820

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 997 1994 2991 3988 4985 5982 7717 8973 9970 11964 14955 15434 17946 19940 23151 29910 30868 35892 38585 44865 46302 59820 69453 77170 89730 92604 115755 138906 154340 179460 231510 277812 347265 463020 694530 1389060 7693849 15387698 23081547 30775396 38469245 46163094 69244641 76938490 92326188 115407735 138489282 153876980 230815470 276978564 346223205 461630940 692446410 1384892820
• Sum of all divisors σ(n): 4205599944
• Sum of proper divisors (its aliquot sum) s(n): 2820707124
• 1384892820 is an abundant number, because the sum of its proper divisors (2820707124) is greater than itself. Its abundance is 1435814304

Bases of 1384892820

• Binary: 1010010100010111100100110010100₂
• Hexadecimal: 0x528BC994
• Base-36: MWJ250

Squares and roots of 1384892820

• 1384892820 squared (1384892820²) is 1917928122887552400
• 1384892820 cubed (1384892820³) is 2656124886663048986133768000
• The square root of 1384892820 is 37214.1481160055
• The cube root of 1384892820 is 1114.6505155239

Scales and comparisons

• 1,384,892,820 seconds is equal to 44 years, 1 week, 5 days, 20 hours, 27 minutes.
• To count from 1 to 1,384,892,820 would take you about eighty-eight 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 1384892820 cubic inches would be around 92.9 feet tall.

Recreational maths with 1384892820

• 1384892820 backwards is 0282984831
• 1384892820 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1384892820's digits is 45
• More coming soon!