18404419308640

Names of 18404419308640

• Cardinal: 18404419308640 can be written as Eighteen trillion, four hundred four billion, four hundred nineteen million, three hundred eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.840441930864 × 10¹³

Factors of 18404419308640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3710568447

Divisors of 18404419308640

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 3710568409 7421136818 14842273636 18552842045 29684547272 37105684090 59369094544 74211368180 115027620679 118738189088 148422736360 230055241358 296845472720 460110482716 575138103395 593690945440 920220965432 1150276206790 1840441930864 2300552413580 3680883861728 4601104827160 9202209654320 18404419308640
• Sum of all divisors σ(n): 44883035487360
• Sum of proper divisors (its aliquot sum) s(n): 26478616178720
• 18404419308640 is an abundant number, because the sum of its proper divisors (26478616178720) is greater than itself. Its abundance is 8074196870080

Bases of 18404419308640

• Binary: 100001011110100011100111000000000110001100000₂
• Hexadecimal: 0x10BD1CE00C60
• Base-36: 6IUVG2GKG

Squares and roots of 18404419308640

• 18404419308640 squared (18404419308640²) is 338722650088240855578649600
• 18404419308640 cubed (18404419308640³) is 6233993681557730402222612358376812544000
• The square root of 18404419308640 is 4290037.2152977879
• The cube root of 18404419308640 is 26402.2358589221

Scales and comparisons

• 18,404,419,308,640 seconds is equal to 585,203 years, 31 weeks, 3 days, 8 hours, 50 minutes, 40 seconds.
• To count from 1 to 18,404,419,308,640 would take you about one million, four hundred sixty-three thousand and 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 18404419308640 cubic inches would be around 2200.2 feet tall.

Recreational maths with 18404419308640

• 18404419308640 backwards is 04680391440481
• The number of decimal digits it has is: 14
• The sum of 18404419308640's digits is 52
• More coming soon!