12181426128

Names of 12181426128

• Cardinal: 12181426128 can be written as Twelve billion, one hundred eighty-one million, four hundred twenty-six thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2181426128 × 10¹⁰

Factors of 12181426128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3320

Divisors of 12181426128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 107 144 214 269 321 428 538 642 807 856 963 1076 1284 1614 1712 1926 2152 2421 2568 2939 3228 3852 4304 4842 5136 5878 6456 7704 8817 9684 11756 12912 15408 17634 19368 23512 26451 28783 35268 38736 47024 52902 57566 70536 86349 105804 115132 141072 172698 211608 230264 259047 314473 345396 423216 460528 518094 628946 690792 790591 943419 1036188 1257892 1381584 1581182 1886838 2072376 2371773 2515784 2830257 3162364 3773676 4144752 4743546 5031568 5660514 6324728 7115319 7547352 9487092 11321028 12649456 14230638 15094704 18974184 22642056 28461276 37948368 45284112 56922552 84593237 113845104 169186474 253779711 338372948 507559422 676745896 761339133 1015118844 1353491792 1522678266 2030237688 3045356532 4060475376 6090713064 12181426128
• Sum of all divisors σ(n): 34549351200
• Sum of proper divisors (its aliquot sum) s(n): 22367925072
• 12181426128 is an abundant number, because the sum of its proper divisors (22367925072) is greater than itself. Its abundance is 10186498944

Bases of 12181426128

• Binary: 1011010110000100011100111111010000₂
• Hexadecimal: 0x2D611CFD0
• Base-36: 5LGI8K0

Squares and roots of 12181426128

• 12181426128 squared (12181426128²) is 148387142511921072384
• 12181426128 cubed (12181426128³) is 1807567014853974902612236849152
• The square root of 12181426128 is 110369.4981777121
• The cube root of 12181426128 is 2300.9086597467

Scales and comparisons

• 12,181,426,128 seconds is equal to 387 years, 17 weeks, 1 day, 17 hours, 28 minutes, 48 seconds.
• To count from 1 to 12,181,426,128 would take you about seven hundred seventy-four 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 12181426128 cubic inches would be around 191.7 feet tall.

Recreational maths with 12181426128

• 12181426128 backwards is 82162418121
• 12181426128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12181426128's digits is 36
• More coming soon!