400675548728

Names of 400675548728

• Cardinal: 400675548728 can be written as Four hundred billion, six hundred seventy-five million, five hundred forty-eight thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 4.00675548728 × 10¹¹

Factors of 400675548728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 18978620

Divisors of 400675548728

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 29 52 56 58 91 104 116 182 203 232 364 377 406 728 754 812 1508 1624 2639 3016 5278 10556 21112 18978569 37957138 75914276 132849983 151828552 246721397 265699966 493442794 531399932 550378501 986885588 1062799864 1100757002 1727049779 1973771176 2201514004 3454099558 3852649507 4403028008 6908199116 7154920513 7705299014 13816398232 14309841026 15410598028 28619682052 30821196056 50084443591 57239364104 100168887182 200337774364 400675548728
• Sum of all divisors σ(n): 956519928000
• Sum of proper divisors (its aliquot sum) s(n): 555844379272
• 400675548728 is an abundant number, because the sum of its proper divisors (555844379272) is greater than itself. Its abundance is 155168830544

Bases of 400675548728

• Binary: 101110101001010000111111010111000111000₂
• Hexadecimal: 0x5D4A1FAE38
• Base-36: 542FVK1K

Squares and roots of 400675548728

• 400675548728 squared (400675548728²) is 160540895348483902417984
• 400675548728 cubed (400675548728³) is 64324811337038210384200545215524352
• The square root of 400675548728 is 632989.3748934497
• The cube root of 400675548728 is 7372.2085690309

Scales and comparisons

• 400,675,548,728 seconds is equal to 12,740 years, 12 weeks, 4 days, 11 hours, 32 minutes, 8 seconds.
• To count from 1 to 400,675,548,728 would take you about twenty-five thousand, four hundred eighty 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 400675548728 cubic inches would be around 614.4 feet tall.

Recreational maths with 400675548728

• 400675548728 backwards is 827845576004
• 400675548728 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400675548728's digits is 56
• More coming soon!