345347311386720017728

Names of 345347311386720017728

• Cardinal: 345347311386720017728 can be written as Three hundred forty-five quintillion, three hundred forty-seven quadrillion, three hundred eleven trillion, three hundred eighty-six billion, seven hundred twenty million, seventeen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.45347311386720017728 × 10²⁰

Factors of 345347311386720017728

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5396051740417500279

Divisors of 345347311386720017728

• Number of divisors d(n): 14
• Complete list of divisors:
  1 2 4 8 16 32 64 5396051740417500277 10792103480835000554 21584206961670001108 43168413923340002216 86336827846680004432 172673655693360008864 345347311386720017728
• Sum of all divisors σ(n): 685298571033022535306
• Sum of proper divisors (its aliquot sum) s(n): 339951259646302517578
• 345347311386720017728 is a deficient number, because the sum of its proper divisors (339951259646302517578) is less than itself. Its deficiency is 5396051740417500150

Bases of 345347311386720017728

• Binary: 100101011100010101000000111011111101001001101101010010001110101000000₂
• Hexadecimal: 0x12B8A81DFA4DA91D40
• Base-36: 20VSBWTTN7QKHS

Squares and roots of 345347311386720017728

• 345347311386720017728 squared (345347311386720017728²) is 119264765482036157614026630927544634281984
• 345347311386720017728 cubed (345347311386720017728³) is 41187766102388878058315058211250356175525764198064129031012352
• The square root of 345347311386720017728 is 18583522577.4533935031
• The cube root of 345347311386720017728 is 7015931.8167644095

Scales and comparisons

• 345,347,311,386,720,017,728 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 345,347,311,386,720,017,728 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 345347311386720017728 cubic inches would be around 584661 feet tall.

Recreational maths with 345347311386720017728

• 345347311386720017728 backwards is 827710027683113743543
• The number of decimal digits it has is: 21
• The sum of 345347311386720017728's digits is 82
• More coming soon!