428375418642

Names of 428375418642

• Cardinal: 428375418642 can be written as Four hundred twenty-eight billion, three hundred seventy-five million, four hundred eighteen thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.28375418642 × 10¹¹

Factors of 428375418642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 104730

Divisors of 428375418642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 54 271 281 542 562 813 843 1626 1686 2439 2529 4878 5058 7317 7587 14634 15174 76151 104173 152302 208346 228453 312519 456906 625038 685359 937557 1370718 1875114 2056077 2812671 4112154 5625342 28230883 29272613 56461766 58545226 84692649 87817839 169385298 175635678 254077947 263453517 508155894 526907034 762233841 790360551 1524467682 1580721102 7932878123 15865756246 23798634369 47597268738 71395903107 142791806214 214187709321 428375418642
• Sum of all divisors σ(n): 958867499520
• Sum of proper divisors (its aliquot sum) s(n): 530492080878
• 428375418642 is an abundant number, because the sum of its proper divisors (530492080878) is greater than itself. Its abundance is 102116662236

Bases of 428375418642

• Binary: 110001110111101001010100010011100010010₂
• Hexadecimal: 0x63BD2A2712
• Base-36: 5GSJNWGI

Squares and roots of 428375418642

• 428375418642 squared (428375418642²) is 183505499296708761124164
• 428375418642 cubed (428375418642³) is 78609245084336852119312928042265288
• The square root of 428375418642 is 654503.9485304883
• The cube root of 428375418642 is 7538.3248268025

Scales and comparisons

• 428,375,418,642 seconds is equal to 13,621 years, 4 days, 19 hours, 50 minutes, 42 seconds.
• To count from 1 to 428,375,418,642 would take you about twenty-seven thousand, two hundred forty-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 428375418642 cubic inches would be around 628.2 feet tall.

Recreational maths with 428375418642

• 428375418642 backwards is 246814573824
• 428375418642 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 428375418642's digits is 54
• More coming soon!