1421440416

Names of 1421440416

• Cardinal: 1421440416 can be written as One billion, four hundred twenty-one million, four hundred forty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.421440416 × 10⁹

Factors of 1421440416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 448703

Divisors of 1421440416

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 66 72 88 96 99 132 144 176 198 264 288 352 396 528 792 1056 1584 3168 448687 897374 1346061 1794748 2692122 3589496 4038183 4935557 5384244 7178992 8076366 9871114 10768488 14357984 14806671 16152732 19742228 21536976 29613342 32305464 39484456 43073952 44420013 59226684 64610928 78968912 88840026 118453368 129221856 157937824 177680052 236906736 355360104 473813472 710720208 1421440416
• Sum of all divisors σ(n): 4409705664
• Sum of proper divisors (its aliquot sum) s(n): 2988265248
• 1421440416 is an abundant number, because the sum of its proper divisors (2988265248) is greater than itself. Its abundance is 1566824832

Bases of 1421440416

• Binary: 1010100101110010111010110100000₂
• Hexadecimal: 0x54B975A0
• Base-36: NIAEG0

Squares and roots of 1421440416

• 1421440416 squared (1421440416²) is 2020492856238253056
• 1421440416 cubed (1421440416³) is 2872010206096330619033911296
• The square root of 1421440416 is 37701.9948543841
• The cube root of 1421440416 is 1124.3707865163

Scales and comparisons

• 1,421,440,416 seconds is equal to 45 years, 10 weeks, 1 day, 20 hours, 33 minutes, 36 seconds.
• To count from 1 to 1,421,440,416 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 1421440416 cubic inches would be around 93.7 feet tall.

Recreational maths with 1421440416

• 1421440416 backwards is 6140441241
• The number of decimal digits it has is: 10
• The sum of 1421440416's digits is 27
• More coming soon!