1428447930

Names of 1428447930

• Cardinal: 1428447930 can be written as One billion, four hundred twenty-eight million, four hundred forty-seven thousand, nine hundred thirty.

Scientific notation

• Scientific notation: 1.42844793 × 10⁹

Factors of 1428447930

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 27588

Divisors of 1428447930

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 19 21 26 30 35 38 39 42 57 65 70 78 91 95 105 114 130 133 182 190 195 210 247 266 273 285 390 399 455 494 546 570 665 741 798 910 1235 1330 1365 1482 1729 1995 2470 2730 3458 3705 3990 5187 7410 8645 10374 17290 25935 27539 51870 55078 82617 137695 165234 192773 275390 358007 385546 413085 523241 578319 716014 826170 963865 1046482 1074021 1156638 1569723 1790035 1927730 2148042 2506049 2616205 2891595 3139446 3580070 3662687 5012098 5232410 5370105 5783190 6802133 7325374 7518147 7848615 10740210 10988061 12530245 13604266 15036294 15697230 18313435 20406399 21976122 25060490 34010665 36626870 37590735 40812798 47614931 54940305 68021330 75181470 95229862 102031995 109880610 142844793 204063990 238074655 285689586 476149310 714223965 1428447930
• Sum of all divisors σ(n): 4441651200
• Sum of proper divisors (its aliquot sum) s(n): 3013203270
• 1428447930 is an abundant number, because the sum of its proper divisors (3013203270) is greater than itself. Its abundance is 1584755340

Bases of 1428447930

• Binary: 1010101001001000110001010111010₂
• Hexadecimal: 0x552462BA
• Base-36: NMGLH6

Squares and roots of 1428447930

• 1428447930 squared (1428447930²) is 2040463488721284900
• 1428447930 cubed (1428447930³) is 2914695846704497762345257000
• The square root of 1428447930 is 37794.8135330763
• The cube root of 1428447930 is 1126.2154251741

Scales and comparisons

• 1,428,447,930 seconds is equal to 45 years, 21 weeks, 5 days, 23 hours, 5 minutes, 30 seconds.
• To count from 1 to 1,428,447,930 would take you about ninety 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 1428447930 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428447930

• 1428447930 backwards is 0397448241
• 1428447930 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428447930's digits is 42
• More coming soon!