18418777380416

Names of 18418777380416

• Cardinal: 18418777380416 can be written as Eighteen trillion, four hundred eighteen billion, seven hundred seventy-seven million, three hundred eighty thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8418777380416 × 10¹³

Factors of 18418777380416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 172022601

Divisors of 18418777380416

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 112 224 239 448 478 956 1673 1912 3346 3824 6692 7648 13384 15296 26768 53536 107072 172022353 344044706 688089412 1204156471 1376178824 2408312942 2752357648 4816625884 5504715296 9633251768 11009430592 19266503536 38533007072 41113342367 77066014144 82226684734 164453369468 287793396569 328906738936 575586793138 657813477872 1151173586276 1315626955744 2302347172552 2631253911488 4604694345104 9209388690208 18418777380416
• Sum of all divisors σ(n): 41945930799360
• Sum of proper divisors (its aliquot sum) s(n): 23527153418944
• 18418777380416 is an abundant number, because the sum of its proper divisors (23527153418944) is greater than itself. Its abundance is 5108376038528

Bases of 18418777380416

• Binary: 100001100000001110100101011101101011001000000₂
• Hexadecimal: 0x10C074AED640
• Base-36: 6J1GWHRNK

Squares and roots of 18418777380416

• 18418777380416 squared (18418777380416²) is 339251360189324087180333056
• 18418777380416 cubed (18418777380416³) is 6248595279330483580285025292986091831296
• The square root of 18418777380416 is 4291710.3094705729
• The cube root of 18418777380416 is 26409.0999106785

Scales and comparisons

• 18,418,777,380,416 seconds is equal to 585,660 years, 7 weeks, 4 days, 18 hours, 6 minutes, 56 seconds.
• To count from 1 to 18,418,777,380,416 would take you about one million, four hundred sixty-four thousand, one hundred fifty 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 18418777380416 cubic inches would be around 2200.8 feet tall.

Recreational maths with 18418777380416

• 18418777380416 backwards is 61408377781481
• The number of decimal digits it has is: 14
• The sum of 18418777380416's digits is 65
• More coming soon!