400387313268

Names of 400387313268

• Cardinal: 400387313268 can be written as Four hundred billion, three hundred eighty-seven million, three hundred thirteen thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 4.00387313268 × 10¹¹

Factors of 400387313268

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33696

Divisors of 400387313268

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 5399 10798 16197 21596 28219 32394 48591 56438 64788 84657 97182 112876 169314 194364 253971 338628 394127 507942 788254 1015884 1182381 1576508 2059987 2364762 3547143 4119974 4729524 6179961 7094286 8239948 12359922 14188572 18539883 24719844 37079766 74159532 152354381 304708762 457063143 609417524 914126286 1371189429 1828252572 2742378858 5484757716 11121869813 22243739626 33365609439 44487479252 66731218878 100096828317 133462437756 200193656634 400387313268
• Sum of all divisors σ(n): 1026180792000
• Sum of proper divisors (its aliquot sum) s(n): 625793478732
• 400387313268 is an abundant number, because the sum of its proper divisors (625793478732) is greater than itself. Its abundance is 225406165464

Bases of 400387313268

• Binary: 101110100111000111100011000111001110100₂
• Hexadecimal: 0x5D38F18E74
• Base-36: 53XO9O50

Squares and roots of 400387313268

• 400387313268 squared (400387313268²) is 160310000625967568839824
• 400387313268 cubed (400387313268³) is 64186090440622553080678967201984832
• The square root of 400387313268 is 632761.6559716621
• The cube root of 400387313268 is 7370.4403539261

Scales and comparisons

• 400,387,313,268 seconds is equal to 12,731 years, 4 weeks, 10 hours, 7 minutes, 48 seconds.
• To count from 1 to 400,387,313,268 would take you about twenty-five thousand, four hundred sixty-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 400387313268 cubic inches would be around 614.2 feet tall.

Recreational maths with 400387313268

• 400387313268 backwards is 862313783004
• The number of decimal digits it has is: 12
• The sum of 400387313268's digits is 45
• More coming soon!