12420687424

Names of 12420687424

• Cardinal: 12420687424 can be written as Twelve billion, four hundred twenty million, six hundred eighty-seven thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.2420687424 × 10¹⁰

Factors of 12420687424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3802

Divisors of 12420687424

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 64 68 92 136 137 184 272 274 368 391 544 548 736 782 1088 1096 1472 1564 2192 2329 3128 3151 3623 4384 4658 6256 6302 7246 8768 9316 12512 12604 14492 18632 25024 25208 28984 37264 50416 53567 57968 61591 74528 83329 100832 107134 115936 123182 149056 166658 201664 214268 231872 246364 333316 428536 492728 496351 666632 857072 985456 992702 1333264 1416593 1714144 1970912 1985404 2666528 2833186 3428288 3941824 3970808 5333056 5666372 7941616 8437967 11332744 11416073 15883232 16875934 22665488 22832146 31766464 33751868 45330976 45664292 67503736 90661952 91328584 135007472 182657168 194073241 270014944 365314336 388146482 540029888 730628672 776292964 1552585928 3105171856 6210343712 12420687424
• Sum of all divisors σ(n): 27438144768
• Sum of proper divisors (its aliquot sum) s(n): 15017457344
• 12420687424 is an abundant number, because the sum of its proper divisors (15017457344) is greater than itself. Its abundance is 2596769920

Bases of 12420687424

• Binary: 1011100100010101001010011001000000₂
• Hexadecimal: 0x2E454A640
• Base-36: 5PEYFR4

Squares and roots of 12420687424

• 12420687424 squared (12420687424²) is 154273476084711755776
• 12420687424 cubed (12420687424³) is 1916182624262144063631922561024
• The square root of 12420687424 is 111448.1378220381
• The cube root of 12420687424 is 2315.8755137057

Scales and comparisons

• 12,420,687,424 seconds is equal to 394 years, 48 weeks, 5 days, 22 hours, 57 minutes, 4 seconds.
• To count from 1 to 12,420,687,424 would take you about seven hundred eighty-nine 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 12420687424 cubic inches would be around 193 feet tall.

Recreational maths with 12420687424

• 12420687424 backwards is 42478602421
• The number of decimal digits it has is: 11
• The sum of 12420687424's digits is 40
• More coming soon!