400556949920

Names of 400556949920

• Cardinal: 400556949920 can be written as Four hundred billion, five hundred fifty-six million, nine hundred forty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 4.0055694992 × 10¹¹

Factors of 400556949920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 606109

Divisors of 400556949920

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 80 160 4159 8318 16636 20795 33272 41590 66544 83180 133088 166360 332720 601943 665440 1203886 2407772 3009715 4815544 6019430 9631088 12038860 19262176 24077720 48155440 96310880 2503480937 5006961874 10013923748 12517404685 20027847496 25034809370 40055694992 50069618740 80111389984 100139237480 200278474960 400556949920
• Sum of all divisors σ(n): 946544901120
• Sum of proper divisors (its aliquot sum) s(n): 545987951200
• 400556949920 is an abundant number, because the sum of its proper divisors (545987951200) is greater than itself. Its abundance is 145431001280

Bases of 400556949920

• Binary: 101110101000011000011100000000110100000₂
• Hexadecimal: 0x5D430E01A0
• Base-36: 540H9KM8

Squares and roots of 400556949920

• 400556949920 squared (400556949920²) is 160445870129213388006400
• 400556949920 cubed (400556949920³) is 64267708366218150988673093439488000
• The square root of 400556949920 is 632895.6864444567
• The cube root of 400556949920 is 7371.4811130859

Scales and comparisons

• 400,556,949,920 seconds is equal to 12,736 years, 24 weeks, 3 days, 19 hours, 25 minutes, 20 seconds.
• To count from 1 to 400,556,949,920 would take you about twenty-five thousand, four hundred seventy-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 400556949920 cubic inches would be around 614.3 feet tall.

Recreational maths with 400556949920

• 400556949920 backwards is 029949655004
• The number of decimal digits it has is: 12
• The sum of 400556949920's digits is 53
• More coming soon!