1428144128

Names of 1428144128

• Cardinal: 1428144128 can be written as One billion, four hundred twenty-eight million, one hundred forty-four thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.428144128 × 10⁹

Factors of 1428144128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1370

Divisors of 1428144128

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 32 64 67 128 134 256 268 512 536 1024 1072 1301 2048 2144 2602 4096 4288 5204 8192 8576 10408 16384 17152 20816 34304 41632 68608 83264 87167 137216 166528 174334 274432 333056 348668 548864 666112 697336 1097728 1332224 1394672 2664448 2789344 5328896 5578688 10657792 11157376 21315584 22314752 44629504 89259008 178518016 357036032 714072064 1428144128
• Sum of all divisors σ(n): 2901059112
• Sum of proper divisors (its aliquot sum) s(n): 1472914984
• 1428144128 is an abundant number, because the sum of its proper divisors (1472914984) is greater than itself. Its abundance is 44770856

Bases of 1428144128

• Binary: 1010101000111111100000000000000₂
• Hexadecimal: 0x551FC000
• Base-36: NMA328

Squares and roots of 1428144128

• 1428144128 squared (1428144128²) is 2039595650340880384
• 1428144128 cubed (1428144128³) is 2912836551528669518759985152
• The square root of 1428144128 is 37790.7942229321
• The cube root of 1428144128 is 1126.1355784279

Scales and comparisons

• 1,428,144,128 seconds is equal to 45 years, 21 weeks, 2 days, 10 hours, 42 minutes, 8 seconds.
• To count from 1 to 1,428,144,128 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 1428144128 cubic inches would be around 93.8 feet tall.

Recreational maths with 1428144128

• 1428144128 backwards is 8214418241
• The number of decimal digits it has is: 10
• The sum of 1428144128's digits is 35
• More coming soon!