145728256000

Names of 145728256000

• Cardinal: 145728256000 can be written as One hundred forty-five billion, seven hundred twenty-eight million, two hundred fifty-six thousand.

Scientific notation

• Scientific notation: 1.45728256 × 10¹¹

Factors of 145728256000

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 569258

Divisors of 145728256000

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 128 160 200 250 256 320 400 500 512 640 800 1000 1024 1280 1600 2000 2048 2560 3200 4000 5120 6400 8000 10240 12800 16000 25600 32000 51200 64000 128000 256000 569251 1138502 2277004 2846255 4554008 5692510 9108016 11385020 14231275 18216032 22770040 28462550 36432064 45540080 56925100 71156375 72864128 91080160 113850200 142312750 145728256 182160320 227700400 284625500 291456512 364320640 455400800 569251000 582913024 728641280 910801600 1138502000 1165826048 1457282560 1821603200 2277004000 2914565120 3643206400 4554008000 5829130240 7286412800 9108016000 14572825600 18216032000 29145651200 36432064000 72864128000 145728256000
• Sum of all divisors σ(n): 363649562640
• Sum of proper divisors (its aliquot sum) s(n): 217921306640
• 145728256000 is an abundant number, because the sum of its proper divisors (217921306640) is greater than itself. Its abundance is 72193050640

Bases of 145728256000

• Binary: 10000111101110000101001011100000000000₂
• Hexadecimal: 0x21EE14B800
• Base-36: 1UY2U9Z4

Squares and roots of 145728256000

• 145728256000 squared (145728256000²) is 21236724596801536000000
• 145728256000 cubed (145728256000³) is 3094790838644191019401216000000000
• The square root of 145728256000 is 381743.7045977313
• The cube root of 145728256000 is 5262.3684919641

Scales and comparisons

• 145,728,256,000 seconds is equal to 4,633 years, 36 weeks, 5 days, 15 hours, 6 minutes, 40 seconds.
• To count from 1 to 145,728,256,000 would take you about nine thousand, two hundred sixty-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 145728256000 cubic inches would be around 438.5 feet tall.

Recreational maths with 145728256000

• 145728256000 backwards is 000652827541
• 145728256000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 145728256000's digits is 40
• More coming soon!