12478274388

Names of 12478274388

• Cardinal: 12478274388 can be written as Twelve billion, four hundred seventy-eight million, two hundred seventy-four thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2478274388 × 10¹⁰

Factors of 12478274388

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4212

Divisors of 12478274388

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 36 97 194 291 388 582 873 1164 1249 1746 2498 2861 3492 3747 4996 5722 7494 8583 11241 11444 14988 17166 22482 25749 34332 44964 51498 102996 121153 242306 277517 363459 484612 555034 726918 832551 1090377 1110068 1453836 1665102 2180754 2497653 3330204 3573389 4361508 4995306 7146778 9990612 10720167 14293556 21440334 32160501 42880668 64321002 128642004 346618733 693237466 1039856199 1386474932 2079712398 3119568597 4159424796 6239137194 12478274388
• Sum of all divisors σ(n): 31904145000
• Sum of proper divisors (its aliquot sum) s(n): 19425870612
• 12478274388 is an abundant number, because the sum of its proper divisors (19425870612) is greater than itself. Its abundance is 6947596224

Bases of 12478274388

• Binary: 1011100111110000110101101101010100₂
• Hexadecimal: 0x2E7C35B54
• Base-36: 5QD8Q50

Squares and roots of 12478274388

• 12478274388 squared (12478274388²) is 155707331702216774544
• 12478274388 cubed (12478274388³) is 1942958809203592020616365579072
• The square root of 12478274388 is 111706.1967305305
• The cube root of 12478274388 is 2319.4490856473

Scales and comparisons

• 12,478,274,388 seconds is equal to 396 years, 40 weeks, 11 hours, 19 minutes, 48 seconds.
• To count from 1 to 12,478,274,388 would take you about seven hundred ninety-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 12478274388 cubic inches would be around 193.3 feet tall.

Recreational maths with 12478274388

• 12478274388 backwards is 88347287421
• The number of decimal digits it has is: 11
• The sum of 12478274388's digits is 54
• More coming soon!