18939762927879168

Names of 18939762927879168

• Cardinal: 18939762927879168 can be written as Eighteen quadrillion, nine hundred thirty-nine trillion, seven hundred sixty-two billion, nine hundred twenty-seven million, eight hundred seventy-nine thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8939762927879168 × 10¹⁶

Factors of 18939762927879168

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6165287411424

Divisors of 18939762927879168

• Number of divisors d(n): 44
• Complete list of divisors:
  1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 256 384 512 768 1024 1536 3072 6165287411419 12330574822838 18495862234257 24661149645676 36991724468514 49322299291352 73983448937028 98644598582704 147966897874056 197289197165408 295933795748112 394578394330816 591867591496224 789156788661632 1183735182992448 1578313577323264 2367470365984896 3156627154646528 4734940731969792 6313254309293056 9469881463939584 18939762927879168
• Sum of all divisors σ(n): 50481373324706960
• Sum of proper divisors (its aliquot sum) s(n): 31541610396827792
• 18939762927879168 is an abundant number, because the sum of its proper divisors (31541610396827792) is greater than itself. Its abundance is 12601847468948624

Bases of 18939762927879168

• Binary: 1000011010010011001110100110001011100100100010000000000₂
• Hexadecimal: 0x43499D31724400
• Base-36: 56HL2Z12L1C

Squares and roots of 18939762927879168

• 18939762927879168 squared (18939762927879168²) is 358714619764266074315782408372224
• 18939762927879168 cubed (18939762927879168³) is 6793969857099518488518792825111080320143439429632
• The square root of 18939762927879168 is 137621811.2360070925
• The cube root of 18939762927879168 is 266557.8721222993

Scales and comparisons

• 18,939,762,927,879,168 seconds is equal to 602,225,876 years, 29 weeks, 5 days, 16 hours, 12 minutes, 48 seconds.
• To count from 1 to 18,939,762,927,879,168 would take you about one billion, eight hundred six million, six hundred seventy-seven thousand, six hundred twenty-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 18939762927879168 cubic inches would be around 22213.2 feet tall.

Recreational maths with 18939762927879168

• 18939762927879168 backwards is 86197872926793981
• The number of decimal digits it has is: 17
• The sum of 18939762927879168's digits is 102
• More coming soon!