12420843864

Names of 12420843864

• Cardinal: 12420843864 can be written as Twelve billion, four hundred twenty million, eight hundred forty-three thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.2420843864 × 10¹⁰

Factors of 12420843864

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 33341

Divisors of 12420843864

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 109 132 143 156 218 264 286 312 327 429 436 572 654 858 872 1144 1199 1308 1417 1716 2398 2616 2834 3432 3597 4251 4796 5668 7194 8502 9592 11336 14388 15587 17004 28776 31174 33203 34008 46761 62348 66406 93522 99609 124696 132812 187044 199218 265624 365233 374088 398436 431639 730466 796872 863278 1095699 1294917 1460932 1726556 2191398 2589834 2921864 3453112 3619127 4382796 4748029 5179668 7238254 8765592 9496058 10359336 10857381 14244087 14476508 18992116 21714762 28488174 28953016 37984232 39810397 43429524 47048651 56976348 79620794 86859048 94097302 113952696 119431191 141145953 159241588 188194604 238862382 282291906 318483176 376389208 477724764 517535161 564583812 955449528 1035070322 1129167624 1552605483 2070140644 3105210966 4140281288 6210421932 12420843864
• Sum of all divisors σ(n): 36816595200
• Sum of proper divisors (its aliquot sum) s(n): 24395751336
• 12420843864 is an abundant number, because the sum of its proper divisors (24395751336) is greater than itself. Its abundance is 11974907472

Bases of 12420843864

• Binary: 1011100100010101110000100101011000₂
• Hexadecimal: 0x2E4570958
• Base-36: 5PF1SGO

Squares and roots of 12420843864

• 12420843864 squared (12420843864²) is 154277362293866450496
• 12420843864 cubed (12420843864³) is 1916255028801876066478701356544
• The square root of 12420843864 is 111448.8396709451
• The cube root of 12420843864 is 2315.8852365719

Scales and comparisons

• 12,420,843,864 seconds is equal to 394 years, 49 weeks, 18 hours, 24 minutes, 24 seconds.
• To count from 1 to 12,420,843,864 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 12420843864 cubic inches would be around 193 feet tall.

Recreational maths with 12420843864

• 12420843864 backwards is 46834802421
• The number of decimal digits it has is: 11
• The sum of 12420843864's digits is 42
• More coming soon!