18072942747648

Names of 18072942747648

• Cardinal: 18072942747648 can be written as Eighteen trillion, seventy-two billion, nine hundred forty-two million, seven hundred forty-seven thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.8072942747648 × 10¹³

Factors of 18072942747648

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 3385

Divisors of 18072942747648

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 67 96 128 134 192 201 256 268 384 402 512 536 768 804 1024 1072 1536 1608 2048 2144 3072 3216 3313 4096 4288 6144 6432 6626 8192 8576 9939 12288 12864 13252 17152 19878 24576 25728 26504 34304 39756 51456 53008 68608 79512 102912 106016 137216 159024 205824 212032 221971 274432 318048 411648 424064 443942 548864 636096 665913 823296 848128 887884 1272192 1331826 1646592 1696256 1775768 2544384 2663652 3392512 3551536 5088768 5327304 6785024 7103072 10177536 10654608 10975969 13570048 14206144 20355072 21309216 21951938 27140096 28412288 32927907 40710144 42618432 43903876 56824576 65855814 81420288 85236864 87807752 113649152 131711628 170473728 175615504 227298304 263423256 340947456 351231008 454596608 526846512 681894912 702462016 735389923 909193216 1053693024 1363789824 1404924032 1470779846 1818386432 2107386048 2206169769 2727579648 2809848064 2941559692 4214772096 4412339538 5455159296 5619696128 5883119384 8429544192 8824679076 11239392256 11766238768 16859088384 17649358152 22478784512 23532477536 33718176768 35298716304 44957569024 47064955072 67436353536 70597432608 89915138048 94129910144 134872707072 141194865216 188259820288 269745414144 282389730432 376519640576 564779460864 753039281152 1129558921728 1506078562304 2259117843456 3012157124608 4518235686912 6024314249216 9036471373824 18072942747648
• Sum of all divisors σ(n): 48925617401808
• Sum of proper divisors (its aliquot sum) s(n): 30852674654160
• 18072942747648 is an abundant number, because the sum of its proper divisors (30852674654160) is greater than itself. Its abundance is 12779731906512

Bases of 18072942747648

• Binary: 100000110111111101111010101010010000000000000₂
• Hexadecimal: 0x106FEF552000
• Base-36: 6EMLFHD6O

Squares and roots of 18072942747648

• 18072942747648 squared (18072942747648²) is 326631259559762439809531904
• 18072942747648 cubed (18072942747648³) is 5903188053615740055793429746858476961792
• The square root of 18072942747648 is 4251228.3810268297
• The cube root of 18072942747648 is 26242.7669856277

Scales and comparisons

• 18,072,942,747,648 seconds is equal to 574,663 years, 35 weeks, 1 day, 2 hours, 20 minutes, 48 seconds.
• To count from 1 to 18,072,942,747,648 would take you about one million, four hundred thirty-six thousand, six hundred fifty-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 18072942747648 cubic inches would be around 2186.9 feet tall.

Recreational maths with 18072942747648

• 18072942747648 backwards is 84674724927081
• The number of decimal digits it has is: 14
• The sum of 18072942747648's digits is 69
• More coming soon!