12618394992

Names of 12618394992

• Cardinal: 12618394992 can be written as Twelve billion, six hundred eighteen million, three hundred ninety-four thousand, nine hundred ninety-two.

Scientific notation

• Scientific notation: 1.2618394992 × 10¹⁰

Factors of 12618394992

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 7842

Divisors of 12618394992

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 252 336 504 1008 2239 4478 5591 6717 8956 11182 13434 15673 16773 17912 20151 22364 26868 31346 33546 35824 39137 40302 44728 47019 50319 53736 62692 67092 78274 80604 89456 94038 100638 107472 117411 125384 134184 141057 156548 161208 188076 201276 234822 250768 268368 282114 313096 322416 352233 376152 402552 469644 564228 626192 704466 752304 805104 939288 1128456 1408932 1878576 2256912 2817864 5635728 12518249 25036498 37554747 50072996 75109494 87627743 100145992 112664241 150218988 175255486 200291984 225328482 262883229 300437976 350510972 450656964 525766458 600875952 701021944 788649687 901313928 1051532916 1402043888 1577299374 1802627856 2103065832 3154598748 4206131664 6309197496 12618394992
• Sum of all divisors σ(n): 40384081920
• Sum of proper divisors (its aliquot sum) s(n): 27765686928
• 12618394992 is an abundant number, because the sum of its proper divisors (27765686928) is greater than itself. Its abundance is 15147291936

Bases of 12618394992

• Binary: 1011110000000111010110110101110000₂
• Hexadecimal: 0x2F01D6D70
• Base-36: 5SONZW0

Squares and roots of 12618394992

• 12618394992 squared (12618394992²) is 159223892174130680064
• 12618394992 cubed (12618394992³) is 2009149963616798565273131839488
• The square root of 12618394992 is 112331.6295261491
• The cube root of 12618394992 is 2328.0986159379

Scales and comparisons

• 12,618,394,992 seconds is equal to 401 years, 11 weeks, 5 days, 5 hours, 43 minutes, 12 seconds.
• To count from 1 to 12,618,394,992 would take you about eight hundred two 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 12618394992 cubic inches would be around 194 feet tall.

Recreational maths with 12618394992

• 12618394992 backwards is 29949381621
• The number of decimal digits it has is: 11
• The sum of 12618394992's digits is 54
• More coming soon!