18009289132549

Names of 18009289132549

• Cardinal: 18009289132549 can be written as Eighteen trillion, nine billion, two hundred eighty-nine million, one hundred thirty-two thousand, five hundred forty-nine.

Scientific notation

• Scientific notation: 1.8009289132549 × 10¹³

Factors of 18009289132549

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 455

Divisors of 18009289132549

• Number of divisors d(n): 48
• Complete list of divisors:
  1 11 13 121 143 169 431 1331 1573 1859 4741 5603 17303 20449 52151 61633 72839 185761 224939 573661 677963 801229 2043371 2414893 7457593 8813519 22477081 26563823 31393609 80062991 96948709 247247891 292202053 345329699 880692901 1040818883 3214222583 3798626689 9687621911 11449007713 13530645479 41784893579 106563841021 125939084843 148837100269 1385329933273 1637208102959 18009289132549
• Sum of all divisors σ(n): 21499719383808
• Sum of proper divisors (its aliquot sum) s(n): 3490430251259
• 18009289132549 is a deficient number, because the sum of its proper divisors (3490430251259) is less than itself. Its deficiency is 14518858881290

Bases of 18009289132549

• Binary: 100000110000100011101010010000000101000000101₂
• Hexadecimal: 0x10611D480A05
• Base-36: 6DTCPRHFP

Squares and roots of 18009289132549

• 18009289132549 squared (18009289132549²) is 324334495059747512891237401
• 18009289132549 cubed (18009289132549³) is 5841033697190278212363993008438515265149
• The square root of 18009289132549 is 4243735.2806871685
• The cube root of 18009289132549 is 26211.9213916517

Scales and comparisons

• 18,009,289,132,549 seconds is equal to 572,639 years, 35 weeks, 5 days, 10 hours, 35 minutes, 49 seconds.
• To count from 1 to 18,009,289,132,549 would take you about one million, four hundred thirty-one thousand, five hundred ninety-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 18009289132549 cubic inches would be around 2184.3 feet tall.

Recreational maths with 18009289132549

• 18009289132549 backwards is 94523198290081
• The number of decimal digits it has is: 14
• The sum of 18009289132549's digits is 61
• More coming soon!