1397828320

Names of 1397828320

• Cardinal: 1397828320 can be written as One billion, three hundred ninety-seven million, eight hundred twenty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.39782832 × 10⁹

Factors of 1397828320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1248075

Divisors of 1397828320

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 1248061 2496122 4992244 6240305 8736427 9984488 12480610 17472854 19968976 24961220 34945708 39937952 43682135 49922440 69891416 87364270 99844880 139782832 174728540 199689760 279565664 349457080 698914160 1397828320
• Sum of all divisors σ(n): 3774139488
• Sum of proper divisors (its aliquot sum) s(n): 2376311168
• 1397828320 is an abundant number, because the sum of its proper divisors (2376311168) is greater than itself. Its abundance is 978482848

Bases of 1397828320

• Binary: 1010011010100010010101011100000₂
• Hexadecimal: 0x53512AE0
• Base-36: N48B8G

Squares and roots of 1397828320

• 1397828320 squared (1397828320²) is 1953924012194022400
• 1397828320 cubed (1397828320³) is 2731250319372829845434368000
• The square root of 1397828320 is 37387.5423102401
• The cube root of 1397828320 is 1118.1102059709

Scales and comparisons

• 1,397,828,320 seconds is equal to 44 years, 23 weeks, 1 day, 13 hours, 38 minutes, 40 seconds.
• To count from 1 to 1,397,828,320 would take you about eighty-eight 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 1397828320 cubic inches would be around 93.2 feet tall.

Recreational maths with 1397828320

• 1397828320 backwards is 0238287931
• The number of decimal digits it has is: 10
• The sum of 1397828320's digits is 43
• More coming soon!