18012953523889

Names of 18012953523889

• Cardinal: 18012953523889 can be written as Eighteen trillion, twelve billion, nine hundred fifty-three million, five hundred twenty-three thousand, eight hundred eighty-nine.

Scientific notation

• Scientific notation: 1.8012953523889 × 10¹³

Factors of 18012953523889

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 207

Divisors of 18012953523889

• Number of divisors d(n): 45
• Complete list of divisors:
  1 23 71 113 529 1633 2599 5041 8023 12167 12769 37559 59777 115943 184529 279841 293687 569633 863857 906599 1374871 2666689 4244167 6754801 13101559 19868711 20851777 31622033 61333847 64368529 97615841 155360423 301335857 479590871 1410678481 1480476167 2245164343 3573289729 6930724711 11030590033 34050951841 159406668353 253703570759 783171892343 18012953523889
• Sum of all divisors σ(n): 19271220975019
• Sum of proper divisors (its aliquot sum) s(n): 1258267451130
• 18012953523889 is a deficient number, because the sum of its proper divisors (1258267451130) is less than itself. Its deficiency is 16754686072759

Bases of 18012953523889

• Binary: 100000110000111110111101100100011011010110001₂
• Hexadecimal: 0x1061F7B236B1
• Base-36: 6DV1BG3W1

Squares and roots of 18012953523889

• 18012953523889 squared (18012953523889²) is 324466494653785142893684321
• 18012953523889 cubed (18012953523889³) is 5844599888257810468719064396439298244369
• 18012953523889 is a perfect square number. Its square root is 4244167
• The cube root of 18012953523889 is 26213.6990709967

Scales and comparisons

• 18,012,953,523,889 seconds is equal to 572,756 years, 10 weeks, 4 days, 9 hours, 4 minutes, 49 seconds.
• To count from 1 to 18,012,953,523,889 would take you about one million, four hundred thirty-one thousand, eight hundred ninety 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 18012953523889 cubic inches would be around 2184.5 feet tall.

Recreational maths with 18012953523889

• 18012953523889 backwards is 98832535921081
• The number of decimal digits it has is: 14
• The sum of 18012953523889's digits is 64
• More coming soon!