18216353120

Names of 18216353120

• Cardinal: 18216353120 can be written as Eighteen billion, two hundred sixteen million, three hundred fifty-three thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.821635312 × 10¹⁰

Factors of 18216353120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 16264615

Divisors of 18216353120

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 16264601 32529202 65058404 81323005 113852207 130116808 162646010 227704414 260233616 325292020 455408828 520467232 569261035 650584040 910817656 1138522070 1301168080 1821635312 2277044140 2602336160 3643270624 4554088280 9108176560 18216353120
• Sum of all divisors σ(n): 49184156448
• Sum of proper divisors (its aliquot sum) s(n): 30967803328
• 18216353120 is an abundant number, because the sum of its proper divisors (30967803328) is greater than itself. Its abundance is 12751450208

Bases of 18216353120

• Binary: 10000111101110001110111110101100000₂
• Hexadecimal: 0x43DC77D60
• Base-36: 8D9JO0W

Squares and roots of 18216353120

• 18216353120 squared (18216353120²) is 331835520992533734400
• 18216353120 cubed (18216353120³) is 6044833028159167389342691328000
• The square root of 18216353120 is 134967.9707189821
• The cube root of 18216353120 is 2631.1997071047

Scales and comparisons

• 18,216,353,120 seconds is equal to 579 years, 11 weeks, 4 days, 10 hours, 5 minutes, 20 seconds.
• To count from 1 to 18,216,353,120 would take you about one thousand, one hundred fifty-eight 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 18216353120 cubic inches would be around 219.3 feet tall.

Recreational maths with 18216353120

• 18216353120 backwards is 02135361281
• 18216353120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18216353120's digits is 32
• More coming soon!