1428751842

Names of 1428751842

• Cardinal: 1428751842 can be written as One billion, four hundred twenty-eight million, seven hundred fifty-one thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.428751842 × 10⁹

Factors of 1428751842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 117738

Divisors of 1428751842

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 6 7 14 17 21 34 42 51 102 119 238 289 357 578 714 867 1734 2023 4046 6069 12138 117709 235418 353127 706254 823963 1647926 2001053 2471889 4002106 4943778 6003159 12006318 14007371 28014742 34017901 42022113 68035802 84044226 102053703 204107406 238125307 476250614 714375921 1428751842
• Sum of all divisors σ(n): 3469149120
• Sum of proper divisors (its aliquot sum) s(n): 2040397278
• 1428751842 is an abundant number, because the sum of its proper divisors (2040397278) is greater than itself. Its abundance is 611645436

Bases of 1428751842

• Binary: 1010101001010010000010111100010₂
• Hexadecimal: 0x552905E2
• Base-36: NMN3Z6

Squares and roots of 1428751842

• 1428751842 squared (1428751842²) is 2041331826018392964
• 1428751842 cubed (1428751842³) is 2916556606557002473194839688
• The square root of 1428751842 is 37798.8338709013
• The cube root of 1428751842 is 1126.2952895043

Scales and comparisons

• 1,428,751,842 seconds is equal to 45 years, 22 weeks, 2 days, 11 hours, 30 minutes, 42 seconds.
• To count from 1 to 1,428,751,842 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 1428751842 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428751842

• 1428751842 backwards is 2481578241
• 1428751842 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1428751842's digits is 42
• More coming soon!