1420145664

Names of 1420145664

• Cardinal: 1420145664 can be written as One billion, four hundred twenty million, one hundred forty-five thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.420145664 × 10⁹

Factors of 1420145664

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 66053

Divisors of 1420145664

• Number of divisors d(n): 88
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 672 768 896 1024 1344 1536 1792 2688 3072 3584 5376 7168 10752 21504 66041 132082 198123 264164 396246 462287 528328 792492 924574 1056656 1386861 1584984 1849148 2113312 2773722 3169968 3698296 4226624 5547444 6339936 7396592 8453248 11094888 12679872 14793184 16906496 22189776 25359744 29586368 33812992 44379552 50719488 59172736 67625984 88759104 101438976 118345472 177518208 202877952 236690944 355036416 473381888 710072832 1420145664
• Sum of all divisors σ(n): 4326015168
• Sum of proper divisors (its aliquot sum) s(n): 2905869504
• 1420145664 is an abundant number, because the sum of its proper divisors (2905869504) is greater than itself. Its abundance is 1485723840

Bases of 1420145664

• Binary: 1010100101001011011010000000000₂
• Hexadecimal: 0x54A5B400
• Base-36: NHINEO

Squares and roots of 1420145664

• 1420145664 squared (1420145664²) is 2016813706978000896
• 1420145664 cubed (1420145664³) is 2864169241060574515842514944
• The square root of 1420145664 is 37684.8200738705
• The cube root of 1420145664 is 1124.0292963999

Scales and comparisons

• 1,420,145,664 seconds is equal to 45 years, 8 weeks, 20 hours, 54 minutes, 24 seconds.
• To count from 1 to 1,420,145,664 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 1420145664 cubic inches would be around 93.7 feet tall.

Recreational maths with 1420145664

• 1420145664 backwards is 4665410241
• The number of decimal digits it has is: 10
• The sum of 1420145664's digits is 33
• More coming soon!