12438505456

Names of 12438505456

• Cardinal: 12438505456 can be written as Twelve billion, four hundred thirty-eight million, five hundred five thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.2438505456 × 10¹⁰

Factors of 12438505456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 11999

Divisors of 12438505456

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 13 16 26 52 104 169 208 338 397 676 794 1352 1588 2704 3176 5161 6352 10322 11587 20644 23174 41288 46348 67093 82576 92696 134186 150631 185392 268372 301262 536744 602524 1073488 1205048 1958203 2410096 3916406 4600039 7832812 9200078 15665624 18400156 31331248 36800312 59800507 73600624 119601014 239202028 478404056 777406591 956808112 1554813182 3109626364 6219252728 12438505456
• Sum of all divisors σ(n): 26164012152
• Sum of proper divisors (its aliquot sum) s(n): 13725506696
• 12438505456 is an abundant number, because the sum of its proper divisors (13725506696) is greater than itself. Its abundance is 1287001240

Bases of 12438505456

• Binary: 1011100101011001001000011111110000₂
• Hexadecimal: 0x2E56487F0
• Base-36: 5PPKC8G

Squares and roots of 12438505456

• 12438505456 squared (12438505456²) is 154716417978941767936
• 12438505456 cubed (12438505456³) is 1924441009163843673578221858816
• The square root of 12438505456 is 111528.0478444773
• The cube root of 12438505456 is 2316.9823936087

Scales and comparisons

• 12,438,505,456 seconds is equal to 395 years, 26 weeks, 2 days, 4 hours, 24 minutes, 16 seconds.
• To count from 1 to 12,438,505,456 would take you about seven hundred ninety-one 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 12438505456 cubic inches would be around 193.1 feet tall.

Recreational maths with 12438505456

• 12438505456 backwards is 65450583421
• The number of decimal digits it has is: 11
• The sum of 12438505456's digits is 43
• More coming soon!