400994195040

Names of 400994195040

• Cardinal: 400994195040 can be written as Four hundred billion, nine hundred ninety-four million, one hundred ninety-five thousand and forty.

Scientific notation

• Scientific notation: 4.0099419504 × 10¹¹

Factors of 400994195040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 295010

Divisors of 400994195040

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 480 720 947 1440 1894 2841 3788 4735 5682 7576 8523 9470 11364 14205 15152 17046 18940 22728 28410 30304 34092 37880 42615 45456 56820 68184 75760 85230 90912 113640 136368 151520 170460 227280 272736 294053 340920 454560 588106 681840 882159 1176212 1363680 1470265 1764318 2352424 2646477 2940530 3528636 4410795 4704848 5292954 5881060 7057272 8821590 9409696 10585908 11762120 13232385 14114544 17643180 21171816 23524240 26464770 28229088 35286360 42343632 47048480 52929540 70572720 84687264 105859080 141145440 211718160 278468191 423436320 556936382 835404573 1113872764 1392340955 1670809146 2227745528 2506213719 2784681910 3341618292 4177022865 4455491056 5012427438 5569363820 6683236584 8354045730 8910982112 10024854876 11138727640 12531068595 13366473168 16708091460 20049709752 22277455280 25062137190 26732946336 33416182920 40099419504 44554910560 50124274380 66832365840 80198839008 100248548760 133664731680 200497097520 400994195040
• Sum of all divisors σ(n): 1369842325488
• Sum of proper divisors (its aliquot sum) s(n): 968848130448
• 400994195040 is an abundant number, because the sum of its proper divisors (968848130448) is greater than itself. Its abundance is 567853935408

Bases of 400994195040

• Binary: 101110101011101000111011101011001100000₂
• Hexadecimal: 0x5D5D1DD660
• Base-36: 547PL940

Squares and roots of 400994195040

• 400994195040 squared (400994195040²) is 160796344455777560601600
• 400994195040 cubed (400994195040³) is 64478400710419089790733410136064000
• The square root of 400994195040 is 633241.0244448791
• The cube root of 400994195040 is 7374.1623565129

Scales and comparisons

• 400,994,195,040 seconds is equal to 12,750 years, 19 weeks, 3 days, 12 hours, 24 minutes.
• To count from 1 to 400,994,195,040 would take you about twenty-five thousand, five hundred 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 400994195040 cubic inches would be around 614.5 feet tall.

Recreational maths with 400994195040

• 400994195040 backwards is 040591499004
• 400994195040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 400994195040's digits is 45
• More coming soon!