123451981429842

Names of 123451981429842

• Cardinal: 123451981429842 can be written as One hundred twenty-three trillion, four hundred fifty-one billion, nine hundred eighty-one million, four hundred twenty-nine thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.23451981429842 × 10¹⁴

Factors of 123451981429842

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 201469

Divisors of 123451981429842

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 6 9 13 18 26 39 78 117 169 234 338 507 1014 1521 3042 201451 402902 604353 1208706 1813059 2618863 3626118 5237726 7856589 15713178 23569767 34045219 47139534 68090438 102135657 204271314 306406971 612813942 40582505401 81165010802 121747516203 243495032406 365242548609 527572570213 730485097218 1055145140426 1582717710639 3165435421278 4748153131917 6858443412769 9496306263834 13716886825538 20575330238307 41150660476614 61725990714921 123451981429842
• Sum of all divisors σ(n): 289638778809861
• Sum of proper divisors (its aliquot sum) s(n): 166186797380019
• 123451981429842 is an abundant number, because the sum of its proper divisors (166186797380019) is greater than itself. Its abundance is 42734815950177

Bases of 123451981429842

• Binary: 11100000100011101100111011111111111110001010010₂
• Hexadecimal: 0x7047677FFC52
• Base-36: 17RD22B2OI

Squares and roots of 123451981429842

• 123451981429842 squared (123451981429842²) is 15240391718954054018768144964
• 123451981429842 cubed (123451981429842³) is 1881456555471833673856587163036310651615688
• The square root of 123451981429842 is 11110894.7177912723
• The cube root of 123451981429842 is 49792.7395733919

Scales and comparisons

• 123,451,981,429,842 seconds is equal to 3,925,391 years, 7 weeks, 4 days, 15 hours, 50 minutes, 42 seconds.
• To count from 1 to 123,451,981,429,842 would take you about nine million, eight hundred thirteen thousand, four hundred seventy-seven 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 123451981429842 cubic inches would be around 4149.4 feet tall.

Recreational maths with 123451981429842

• 123451981429842 backwards is 248924189154321
• The number of decimal digits it has is: 15
• The sum of 123451981429842's digits is 63
• More coming soon!