428694140

Names of 428694140

• Cardinal: 428694140 can be written as Four hundred twenty-eight million, six hundred ninety-four thousand, one hundred forty.

Scientific notation

• Scientific notation: 4.2869414 × 10⁸

Factors of 428694140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 6610

Divisors of 428694140

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 49 67 70 98 134 140 196 245 268 335 469 490 670 938 980 1340 1876 2345 3283 4690 6529 6566 9380 13058 13132 16415 26116 32645 32830 45703 65290 65660 91406 130580 182812 228515 319921 437443 457030 639842 874886 914060 1279684 1599605 1749772 2187215 3062101 3199210 4374430 6124202 6398420 8748860 12248404 15310505 21434707 30621010 42869414 61242020 85738828 107173535 214347070 428694140
• Sum of all divisors σ(n): 1063031760
• Sum of proper divisors (its aliquot sum) s(n): 634337620
• 428694140 is an abundant number, because the sum of its proper divisors (634337620) is greater than itself. Its abundance is 205643480

Bases of 428694140

• Binary: 11001100011010101101001111100₂
• Hexadecimal: 0x198D5A7C
• Base-36: 738EIK

Squares and roots of 428694140

• 428694140 squared (428694140²) is 183778665670339600
• 428694140 cubed (428694140³) is 78784837029893758329944000
• The square root of 428694140 is 20704.9303307207
• The cube root of 428694140 is 754.0193926815

Scales and comparisons

• 428,694,140 seconds is equal to 13 years, 32 weeks, 5 days, 17 hours, 42 minutes, 20 seconds.
• To count from 1 to 428,694,140 would take you about twenty 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 428694140 cubic inches would be around 62.8 feet tall.

Recreational maths with 428694140

• 428694140 backwards is 041496824
• The number of decimal digits it has is: 9
• The sum of 428694140's digits is 38
• More coming soon!