12820917424

Names of 12820917424

• Cardinal: 12820917424 can be written as Twelve billion, eight hundred twenty million, nine hundred seventeen thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 1.2820917424 × 10¹⁰

Factors of 12820917424

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 148

Divisors of 12820917424

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 98 112 139 196 278 343 392 556 686 784 973 1112 1372 1946 2224 2401 2744 3892 4802 5488 6811 7784 9604 13622 15568 16807 19208 27244 33614 38416 47677 54488 67228 95354 108976 117649 134456 190708 235298 268912 333739 381416 470596 667478 762832 823543 941192 1334956 1647086 1882384 2336173 2669912 3294172 4672346 5339824 5764801 6588344 9344692 11529602 13176688 16353211 18689384 23059204 32706422 37378768 46118408 65412844 92236816 114472477 130825688 228944954 261651376 457889908 801307339 915779816 1602614678 1831559632 3205229356 6410458712 12820917424
• Sum of all divisors σ(n): 29189108340
• Sum of proper divisors (its aliquot sum) s(n): 16368190916
• 12820917424 is an abundant number, because the sum of its proper divisors (16368190916) is greater than itself. Its abundance is 3547273492

Bases of 12820917424

• Binary: 1011111100001011111010110010110000₂
• Hexadecimal: 0x2FC2FACB0
• Base-36: 5W18R74

Squares and roots of 12820917424

• 12820917424 squared (12820917424²) is 164375923593026795776
• 12820917424 cubed (12820917424³) is 2107450142879929930863408001024
• The square root of 12820917424 is 113229.4900809855
• The cube root of 12820917424 is 2340.4877245719

Scales and comparisons

• 12,820,917,424 seconds is equal to 407 years, 34 weeks, 4 days, 5 hours, 57 minutes, 4 seconds.
• To count from 1 to 12,820,917,424 would take you about eight hundred fifteen 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 12820917424 cubic inches would be around 195 feet tall.

Recreational maths with 12820917424

• 12820917424 backwards is 42471902821
• The number of decimal digits it has is: 11
• The sum of 12820917424's digits is 40
• More coming soon!