145238940800

Names of 145238940800

• Cardinal: 145238940800 can be written as One hundred forty-five billion, two hundred thirty-eight million, nine hundred forty thousand, eight hundred.

Scientific notation

• Scientific notation: 1.452389408 × 10¹¹

Factors of 145238940800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6744

Divisors of 145238940800

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 320 400 640 800 1600 3200 6737 13474 26948 33685 53896 67370 107792 134740 168425 215584 269480 336850 431168 538960 673700 862336 1077920 1347400 2155840 2694800 4311680 5389600 10779200 21558400 45387169 90774338 181548676 226935845 363097352 453871690 726194704 907743380 1134679225 1452389408 1815486760 2269358450 2904778816 3630973520 4538716900 5809557632 7261947040 9077433800 14523894080 18154867600 29047788160 36309735200 72619470400 145238940800
• Sum of all divisors σ(n): 358838834835
• Sum of proper divisors (its aliquot sum) s(n): 213599894035
• 145238940800 is an abundant number, because the sum of its proper divisors (213599894035) is greater than itself. Its abundance is 68360953235

Bases of 145238940800

• Binary: 10000111010000111010100101110010000000₂
• Hexadecimal: 0x21D0EA5C80
• Base-36: 1UPZIJY8

Squares and roots of 145238940800

• 145238940800 squared (145238940800²) is 21094349924705904640000
• 145238940800 cubed (145238940800³) is 3063721039928845341419405312000000
• The square root of 145238940800 is 381102.2707883017
• The cube root of 145238940800 is 5256.4720278927

Scales and comparisons

• 145,238,940,800 seconds is equal to 4,618 years, 7 weeks, 5 days, 6 hours, 13 minutes, 20 seconds.
• To count from 1 to 145,238,940,800 would take you about nine thousand, two hundred thirty-six 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 145238940800 cubic inches would be around 438 feet tall.

Recreational maths with 145238940800

• 145238940800 backwards is 008049832541
• The number of decimal digits it has is: 12
• The sum of 145238940800's digits is 44
• More coming soon!