400384891445

Names of 400384891445

• Cardinal: 400384891445 can be written as Four hundred billion, three hundred eighty-four million, eight hundred ninety-one thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 4.00384891445 × 10¹¹

Factors of 400384891445

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 140981

Divisors of 400384891445

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 11 35 55 61 77 121 305 385 427 605 671 847 1331 2135 3355 4235 4697 6655 7381 9317 23485 36905 46585 51667 81191 140897 258335 405955 568337 704485 986279 1549867 2841685 4931395 7749335 8594717 10849069 17048537 42973585 54245345 60163019 85242685 94541887 119339759 187533907 300815095 472709435 596698795 661793209 937669535 1039960757 1312737349 3308966045 5199803785 6563686745 7279725299 11439568327 36398626495 57197841635 80076978289 400384891445
• Sum of all divisors σ(n): 613873423872
• Sum of proper divisors (its aliquot sum) s(n): 213488532427
• 400384891445 is a deficient number, because the sum of its proper divisors (213488532427) is less than itself. Its deficiency is 186896359018

Bases of 400384891445

• Binary: 101110100111000110011001001101000110101₂
• Hexadecimal: 0x5D38CC9A35
• Base-36: 53XMTRG5

Squares and roots of 400384891445

• 400384891445 squared (400384891445²) is 160308061297424434188025
• 400384891445 cubed (400384891445³) is 64184925720327687940462936343946125
• The square root of 400384891445 is 632759.7422758499
• The cube root of 400384891445 is 7370.4254933673

Scales and comparisons

• 400,384,891,445 seconds is equal to 12,731 years, 9 hours, 24 minutes, 5 seconds.
• To count from 1 to 400,384,891,445 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 400384891445 cubic inches would be around 614.2 feet tall.

Recreational maths with 400384891445

• 400384891445 backwards is 544198483004
• The number of decimal digits it has is: 12
• The sum of 400384891445's digits is 50
• More coming soon!