18436290791398913

Names of 18436290791398913

• Cardinal: 18436290791398913 can be written as Eighteen quadrillion, four hundred thirty-six trillion, two hundred ninety billion, seven hundred ninety-one million, three hundred ninety-eight thousand, nine hundred thirteen.

Scientific notation

• Scientific notation: 1.8436290791398913 × 10¹⁶

Factors of 18436290791398913

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 228147651

Divisors of 18436290791398913

• Number of divisors d(n): 8
• Complete list of divisors:
  1 137 591377 81018649 227556137 31175190769 134571465630649 18436290791398913
• Sum of all divisors σ(n): 18570893741386632
• Sum of proper divisors (its aliquot sum) s(n): 134602949987719
• 18436290791398913 is a deficient number, because the sum of its proper divisors (134602949987719) is less than itself. Its deficiency is 18301687841411194

Bases of 18436290791398913

• Binary: 1000001011111111011010101110011100110001101111000000001₂
• Hexadecimal: 0x417FB57398DE01
• Base-36: 51J4B2E9YPT

Squares and roots of 18436290791398913

• 18436290791398913 squared (18436290791398913²) is 339896818145020357817779497581569
• 18436290791398913 cubed (18436290791398913³) is 6266436578392829784760137513329851198749835434497
• The square root of 18436290791398913 is 135780303.4000105371
• The cube root of 18436290791398913 is 264174.6758343127

Scales and comparisons

• 18,436,290,791,398,913 seconds is equal to 586,217,019 years, 50 weeks, 4 days, 19 hours, 41 minutes, 53 seconds.
• To count from 1 to 18,436,290,791,398,913 would take you about one billion, seven hundred fifty-eight million, six hundred fifty-one thousand and fifty-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 18436290791398913 cubic inches would be around 22014.6 feet tall.

Recreational maths with 18436290791398913

• 18436290791398913 backwards is 31989319709263481
• The number of decimal digits it has is: 17
• The sum of 18436290791398913's digits is 83
• More coming soon!