3828391812

Names of 3828391812

• Cardinal: 3828391812 can be written as Three billion, eight hundred twenty-eight million, three hundred ninety-one thousand, eight hundred twelve.

Scientific notation

• Scientific notation: 3.828391812 × 10⁹

Factors of 3828391812

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31444

Divisors of 3828391812

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 63 84 126 252 491 982 1473 1964 2946 3437 4419 5892 6874 8838 10311 13748 17676 20622 30933 30941 41244 61866 61882 92823 123732 123764 185646 216587 278469 371292 433174 556938 649761 866348 1113876 1299522 1949283 2599044 3898566 7797132 15192031 30384062 45576093 60768124 91152186 106344217 136728279 182304372 212688434 273456558 319032651 425376868 546913116 638065302 957097953 1276130604 1914195906 3828391812
• Sum of all divisors σ(n): 11082681792
• Sum of proper divisors (its aliquot sum) s(n): 7254289980
• 3828391812 is an abundant number, because the sum of its proper divisors (7254289980) is greater than itself. Its abundance is 3425898168

Bases of 3828391812

• Binary: 11100100001100001001111110000100₂
• Hexadecimal: 0xE4309F84
• Base-36: 1RBBQ10

Squares and roots of 3828391812

• 3828391812 squared (3828391812²) is 14656583866188643344
• 3828391812 cubed (3828391812³) is 56111145665207905825557899328
• The square root of 3828391812 is 61873.9994828201
• The cube root of 3828391812 is 1564.3675290703

Scales and comparisons

• 3,828,391,812 seconds is equal to 121 years, 38 weeks, 2 hours, 10 minutes, 12 seconds.
• To count from 1 to 3,828,391,812 would take you about two hundred forty-three 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 3828391812 cubic inches would be around 130.4 feet tall.

Recreational maths with 3828391812

• 3828391812 backwards is 2181938283
• The number of decimal digits it has is: 10
• The sum of 3828391812's digits is 45
• More coming soon!