18446942269460656

Names of 18446942269460656

• Cardinal: 18446942269460656 can be written as Eighteen quadrillion, four hundred forty-six trillion, nine hundred forty-two billion, two hundred sixty-nine million, four hundred sixty thousand, six hundred fifty-six.

Scientific notation

• Scientific notation: 1.8446942269460656 × 10¹⁶

Factors of 18446942269460656

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 126404331083

Divisors of 18446942269460656

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 1303 2606 5212 9121 10424 18242 20848 36484 72968 145936 126404329771 252808659542 505617319084 884830308397 1011234638168 1769660616794 2022469276336 3539321233588 7078642467176 14157284934352 164704841691613 329409683383226 658819366766452 1152933891841291 1317638733532904 2305867783682582 2635277467065808 4611735567365164 9223471134730328 18446942269460656
• Sum of all divisors σ(n): 40878149013626624
• Sum of proper divisors (its aliquot sum) s(n): 22431206744165968
• 18446942269460656 is an abundant number, because the sum of its proper divisors (22431206744165968) is greater than itself. Its abundance is 3984264474705312

Bases of 18446942269460656

• Binary: 1000001100010010110010101110001001010011101000010110000₂
• Hexadecimal: 0x4189657129D0B0
• Base-36: 51MW8ADAV1S

Squares and roots of 18446942269460656

• 18446942269460656 squared (18446942269460656²) is 340289679092814257636949131950336
• 18446942269460656 cubed (18446942269460656³) is 6277304065118437385781072443043518006480097980416
• The square root of 18446942269460656 is 135819520.9440110491
• The cube root of 18446942269460656 is 264225.5412546509

Scales and comparisons

• 18,446,942,269,460,656 seconds is equal to 586,555,704 years, 1 week, 3 days, 21 hours, 44 minutes, 16 seconds.
• To count from 1 to 18,446,942,269,460,656 would take you about one billion, seven hundred fifty-nine million, six hundred sixty-seven thousand, one hundred twelve 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 18446942269460656 cubic inches would be around 22018.8 feet tall.

Recreational maths with 18446942269460656

• 18446942269460656 backwards is 65606496224964481
• The number of decimal digits it has is: 17
• The sum of 18446942269460656's digits is 82
• More coming soon!