123740942842138

Names of 123740942842138

• Cardinal: 123740942842138 can be written as One hundred twenty-three trillion, seven hundred forty billion, nine hundred forty-two million, eight hundred forty-two thousand, one hundred thirty-eight.

Scientific notation

• Scientific notation: 1.23740942842138 × 10¹⁴

Factors of 123740942842138

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 2918556222

Divisors of 123740942842138

• Number of divisors d(n): 32
• Complete list of divisors:
  1 2 17 29 34 43 58 86 493 731 986 1247 1462 2494 21199 42398 2918556131 5837112262 49615454227 84638127799 99230908454 125497913633 169276255598 250995827266 1438848172583 2133464531761 2877696345166 3639439495357 4266929063522 7278878990714 61870471421069 123740942842138
• Sum of all divisors σ(n): 208034681088960
• Sum of proper divisors (its aliquot sum) s(n): 84293738246822
• 123740942842138 is a deficient number, because the sum of its proper divisors (84293738246822) is less than itself. Its deficiency is 39447204595316

Bases of 123740942842138

• Binary: 11100001000101010101110111100010011100100011010₂
• Hexadecimal: 0x708AAEF1391A
• Base-36: 17V1SYGZDM

Squares and roots of 123740942842138

• 123740942842138 squared (123740942842138²) is 15311820935461263537188411044
• 123740942842138 cubed (123740942842138³) is 1894699159183964213549423566748537547772072
• The square root of 123740942842138 is 11123890.6342222727
• The cube root of 123740942842138 is 49831.5589014217

Scales and comparisons

• 123,740,942,842,138 seconds is equal to 3,934,579 years, 11 weeks, 5 days, 10 hours, 48 minutes, 58 seconds.
• To count from 1 to 123,740,942,842,138 would take you about nine million, eight hundred thirty-six thousand, four hundred forty-eight 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 123740942842138 cubic inches would be around 4152.6 feet tall.

Recreational maths with 123740942842138

• 123740942842138 backwards is 831248249047321
• 123740942842138 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 123740942842138's digits is 58
• More coming soon!