128764307776

Names of 128764307776

• Cardinal: 128764307776 can be written as One hundred twenty-eight billion, seven hundred sixty-four million, three hundred seven thousand, seven hundred seventy-six.

Scientific notation

• Scientific notation: 1.28764307776 × 10¹¹

Factors of 128764307776

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5336761

Divisors of 128764307776

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 52 58 64 104 116 208 232 377 416 464 754 832 928 1508 1856 3016 6032 12064 24128 5336717 10673434 21346868 42693736 69377321 85387472 138754642 154764793 170774944 277509284 309529586 341549888 555018568 619059172 1110037136 1238118344 2011942309 2220074272 2476236688 4023884618 4440148544 4952473376 8047769236 9904946752 16095538472 32191076944 64382153888 128764307776
• Sum of all divisors σ(n): 284660538120
• Sum of proper divisors (its aliquot sum) s(n): 155896230344
• 128764307776 is an abundant number, because the sum of its proper divisors (155896230344) is greater than itself. Its abundance is 27131922568

Bases of 128764307776

• Binary: 1110111111010111100110110100101000000₂
• Hexadecimal: 0x1DFAF36940
• Base-36: 1N5IXZR4

Squares and roots of 128764307776

• 128764307776 squared (128764307776²) is 16580246957032454066176
• 128764307776 cubed (128764307776³) is 2134944022177414362997669135384576
• The square root of 128764307776 is 358837.4392061119
• The cube root of 128764307776 is 5049.6952111709

Scales and comparisons

• 128,764,307,776 seconds is equal to 4,094 years, 15 weeks, 6 days, 15 hours, 16 minutes, 16 seconds.
• To count from 1 to 128,764,307,776 would take you about eight thousand, one hundred eighty-eight 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 128764307776 cubic inches would be around 420.8 feet tall.

Recreational maths with 128764307776

• 128764307776 backwards is 677703467821
• 128764307776 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 128764307776's digits is 58
• More coming soon!