123493781311803890960

Names of 123493781311803890960

• Cardinal: 123493781311803890960 can be written as One hundred twenty-three quintillion, four hundred ninety-three quadrillion, seven hundred eighty-one trillion, three hundred eleven billion, eight hundred three million, eight hundred ninety thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.2349378131180389096 × 10²⁰

Factors of 123493781311803890960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 220524609485364105

Divisors of 123493781311803890960

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 220524609485364091 441049218970728182 882098437941456364 1102623047426820455 1543672266397548637 1764196875882912728 2205246094853640910 3087344532795097274 3528393751765825456 4410492189707281820 6174689065590194548 7718361331987743185 8820984379414563640 12349378131180389096 15436722663975486370 17641968758829127280 24698756262360778192 30873445327950972740 61746890655901945480 123493781311803890960
• Sum of all divisors σ(n): 328140618914221768896
• Sum of proper divisors (its aliquot sum) s(n): 204646837602417877936
• 123493781311803890960 is an abundant number, because the sum of its proper divisors (204646837602417877936) is greater than itself. Its abundance is 81153056290613986976

Bases of 123493781311803890960

• Binary: 1101011000111010010000010111100111000010011110110000001110100010000₂
• Hexadecimal: 0x6B1D20BCE13D81D10
• Base-36: Q28X7XCT30WSW

Squares and roots of 123493781311803890960

• 123493781311803890960 squared (123493781311803890960²) is 15250714022687643947545905937795569721600
• 123493781311803890960 cubed (123493781311803890960³) is 1883368342366648905256450694888633324592327733844843956736000
• The square root of 123493781311803890960 is 11112775589.9146947077
• The cube root of 123493781311803890960 is 4979835.8750849411

Scales and comparisons

• 123,493,781,311,803,890,960 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 123,493,781,311,803,890,960 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 123493781311803890960 cubic inches would be around 414986.3 feet tall.

Recreational maths with 123493781311803890960

• 123493781311803890960 backwards is 069098308113187394321
• The number of decimal digits it has is: 21
• The sum of 123493781311803890960's digits is 86
• More coming soon!