1428712320

Names of 1428712320

• Cardinal: 1428712320 can be written as One billion, four hundred twenty-eight million, seven hundred twelve thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.42871232 × 10⁹

Factors of 1428712320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 106320

Divisors of 1428712320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6720 13440 106303 212606 318909 425212 531515 637818 744121 850424 1063030 1275636 1488242 1594545 1700848 2126060 2232363 2551272 2976484 3189090 3401696 3720605 4252120 4464726 5102544 5952968 6378180 6803392 7441210 8504240 8929452 10205088 11161815 11905936 12756360 13606784 14882420 17008480 17858904 20410176 22323630 23811872 25512720 29764840 34016960 35717808 40820352 44647260 47623744 51025440 59529680 68033920 71435616 89294520 95247488 102050880 119059360 142871232 178589040 204101760 238118720 285742464 357178080 476237440 714356160 1428712320
• Sum of all divisors σ(n): 5204643840
• Sum of proper divisors (its aliquot sum) s(n): 3775931520
• 1428712320 is an abundant number, because the sum of its proper divisors (3775931520) is greater than itself. Its abundance is 2347219200

Bases of 1428712320

• Binary: 1010101001010000110101110000000₂
• Hexadecimal: 0x55286B80
• Base-36: NMM9HC

Squares and roots of 1428712320

• 1428712320 squared (1428712320²) is 2041218893319782400
• 1428712320 cubed (1428712320³) is 2916314580702738814599168000
• The square root of 1428712320 is 37798.3110733801
• The cube root of 1428712320 is 1126.2849042501

Scales and comparisons

• 1,428,712,320 seconds is equal to 45 years, 22 weeks, 2 days, 32 minutes.
• To count from 1 to 1,428,712,320 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 1428712320 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428712320

• 1428712320 backwards is 0232178241
• 1428712320 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428712320's digits is 30
• More coming soon!