18120803230989

Names of 18120803230989

• Cardinal: 18120803230989 can be written as Eighteen trillion, one hundred twenty billion, eight hundred three million, two hundred thirty thousand, nine hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8120803230989 × 10¹³

Factors of 18120803230989

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 368513

Divisors of 18120803230989

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 9 23 27 61 69 183 207 549 621 1303 1403 1647 3909 4209 11727 12627 29969 35181 37881 79483 89907 238449 269721 367123 715347 809163 1101369 1828109 2146041 3304107 5484327 8443829 9912321 16452981 22394503 25331487 49358943 67183509 75994461 201550527 227983383 478361269 515073569 604651581 1435083807 1545220707 4305251421 4635662121 11002309187 12915754263 13906986363 29180037409 33006927561 87540112227 99020782683 262620336681 297062348049 671140860407 787861010043 2013422581221 6040267743663 18120803230989
• Sum of all divisors σ(n): 28493991505920
• Sum of proper divisors (its aliquot sum) s(n): 10373188274931
• 18120803230989 is a deficient number, because the sum of its proper divisors (10373188274931) is less than itself. Its deficiency is 7747614956058

Bases of 18120803230989

• Binary: 100000111101100010100000010100010010100001101₂
• Hexadecimal: 0x107B140A250D
• Base-36: 6F8KYDMH9

Squares and roots of 18120803230989

• 18120803230989 squared (18120803230989²) is 328363509736221381689918121
• 18120803230989 cubed (18120803230989³) is 5950210548167008372450854091943659851669
• The square root of 18120803230989 is 4256853.6774229157
• The cube root of 18120803230989 is 26265.9117949505

Scales and comparisons

• 18,120,803,230,989 seconds is equal to 576,185 years, 25 weeks, 3 days, 21 hours, 3 minutes, 9 seconds.
• To count from 1 to 18,120,803,230,989 would take you about one million, four hundred forty thousand, four hundred sixty-three 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 18120803230989 cubic inches would be around 2188.8 feet tall.

Recreational maths with 18120803230989

• 18120803230989 backwards is 98903230802181
• The number of decimal digits it has is: 14
• The sum of 18120803230989's digits is 54
• More coming soon!