145131168800

Names of 145131168800

• Cardinal: 145131168800 can be written as One hundred forty-five billion, one hundred thirty-one million, one hundred sixty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 1.451311688 × 10¹¹

Factors of 145131168800

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13476

Divisors of 145131168800

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 800 13469 26938 53876 67345 107752 134690 215504 269380 336725 431008 538760 673450 1077520 1346900 2155040 2693800 5387600 10775200 181413961 362827922 725655844 907069805 1451311688 1814139610 2902623376 3628279220 4535349025 5805246752 7256558440 9070698050 14513116880 18141396100 29026233760 36282792200 72565584400 145131168800
• Sum of all divisors σ(n): 354327772743
• Sum of proper divisors (its aliquot sum) s(n): 209196603943
• 145131168800 is an abundant number, because the sum of its proper divisors (209196603943) is greater than itself. Its abundance is 64065435143

Bases of 145131168800

• Binary: 10000111001010011111011110010000100000₂
• Hexadecimal: 0x21CA7DE420
• Base-36: 1UO7CMJK

Squares and roots of 145131168800

• 145131168800 squared (145131168800²) is 21063056157254093440000
• 145131168800 cubed (145131168800³) is 3056905958602323179531612672000000
• The square root of 145131168800 is 380960.8494320645
• The cube root of 145131168800 is 5255.1715486531

Scales and comparisons

• 145,131,168,800 seconds is equal to 4,614 years, 37 weeks, 3 days, 21 hours, 33 minutes, 20 seconds.
• To count from 1 to 145,131,168,800 would take you about nine thousand, two hundred twenty-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 145131168800 cubic inches would be around 437.9 feet tall.

Recreational maths with 145131168800

• 145131168800 backwards is 008861131541
• The number of decimal digits it has is: 12
• The sum of 145131168800's digits is 38
• More coming soon!