142208017978

Names of 142208017978

• Cardinal: 142208017978 can be written as One hundred forty-two billion, two hundred eight million, seventeen thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 1.42208017978 × 10¹¹

Factors of 142208017978

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 273

Divisors of 142208017978

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 13 26 101 157 169 202 314 338 1313 2041 2197 2626 4082 4394 15857 17069 24649 26533 28561 31714 34138 49298 53066 57122 206141 221897 320437 344929 412282 443794 640874 689858 2489549 2679833 2884661 4165681 4484077 4979098 5359666 5769322 8331362 8968154 32364137 34837829 54153853 64728274 69675658 108307706 420733781 452891777 704000089 841467562 905783554 1408000178 5469539153 10939078306 71104008989 142208017978
• Sum of all divisors σ(n): 234871336422
• Sum of proper divisors (its aliquot sum) s(n): 92663318444
• 142208017978 is a deficient number, because the sum of its proper divisors (92663318444) is less than itself. Its deficiency is 49544699534

Bases of 142208017978

• Binary: 10000100011100010000100010011000111010₂
• Hexadecimal: 0x211C42263A
• Base-36: 1TBUZCXM

Squares and roots of 142208017978

• 142208017978 squared (142208017978²) is 20223120377231171208484
• 142208017978 cubed (142208017978³) is 2875889866176548537078088658125352
• The square root of 142208017978 is 377104.7838174425
• The cube root of 142208017978 is 5219.6497415977

Scales and comparisons

• 142,208,017,978 seconds is equal to 4,521 years, 40 weeks, 2 days, 3 hours, 12 minutes, 58 seconds.
• To count from 1 to 142,208,017,978 would take you about nine thousand and forty-three 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 142208017978 cubic inches would be around 435 feet tall.

Recreational maths with 142208017978

• 142208017978 backwards is 879710802241
• The number of decimal digits it has is: 12
• The sum of 142208017978's digits is 49
• More coming soon!