728198393994064

Names of 728198393994064

• Cardinal: 728198393994064 can be written as Seven hundred twenty-eight trillion, one hundred ninety-eight billion, three hundred ninety-three million, nine hundred ninety-four thousand and sixty-four.

Scientific notation

• Scientific notation: 7.28198393994064 × 10¹⁴

Factors of 728198393994064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1156287221

Divisors of 728198393994064

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 7 8 14 16 28 56 112 5623 11246 22492 39361 44984 78722 89968 157444 314888 629776 1156281589 2312563178 4625126356 8093971123 9250252712 16187942246 18500505424 32375884492 64751768984 129503537968 6501771374947 13003542749894 26007085499788 45512399624629 52014170999576 91024799249258 104028341999152 182049598498516 364099196997032 728198393994064
• Sum of all divisors σ(n): 1612726060215680
• Sum of proper divisors (its aliquot sum) s(n): 884527666221616
• 728198393994064 is an abundant number, because the sum of its proper divisors (884527666221616) is greater than itself. Its abundance is 156329272227552

Bases of 728198393994064

• Binary: 10100101100100101011100110100110011001101101010000₂
• Hexadecimal: 0x2964AE6999B50
• Base-36: 764HQ29B9S

Squares and roots of 728198393994064

• 728198393994064 squared (728198393994064²) is 530272901015534064666467236096
• 728198393994064 cubed (728198393994064³) is 386143874898085175001985376770865880310534144
• The square root of 728198393994064 is 26985151.3613332175
• The cube root of 728198393994064 is 89967.0000000011

Scales and comparisons

• 728,198,393,994,064 seconds is equal to 23,154,456 years, 24 weeks, 17 hours, 1 minute, 4 seconds.
• To count from 1 to 728,198,393,994,064 would take you about fifty-seven million, eight hundred eighty-six thousand, one hundred forty-one 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 728198393994064 cubic inches would be around 7497.3 feet tall.

Recreational maths with 728198393994064

• 728198393994064 backwards is 460499393891827
• The number of decimal digits it has is: 15
• The sum of 728198393994064's digits is 82
• More coming soon!