128516121184

Names of 128516121184

• Cardinal: 128516121184 can be written as One hundred twenty-eight billion, five hundred sixteen million, one hundred twenty-one thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 1.28516121184 × 10¹¹

Factors of 128516121184

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2280

Divisors of 128516121184

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1331 1936 2267 2662 3872 4534 5324 9068 10648 14641 18136 21296 24937 29282 36272 42592 49874 58564 72544 99748 117128 161051 199496 234256 274307 322102 398992 468512 548614 644204 797984 1097228 1288408 1771561 2194456 2576816 3017377 3543122 4388912 5153632 6034754 7086244 8777824 12069508 14172488 24139016 28344976 33191147 48278032 56689952 66382294 96556064 132764588 265529176 365102617 531058352 730205234 1062116704 1460410468 2920820936 4016128787 5841641872 8032257574 11683283744 16064515148 32129030296 64258060592 128516121184
• Sum of all divisors σ(n): 278440479828
• Sum of proper divisors (its aliquot sum) s(n): 149924358644
• 128516121184 is an abundant number, because the sum of its proper divisors (149924358644) is greater than itself. Its abundance is 21408237460

Bases of 128516121184

• Binary: 1110111101100001010000110001001100000₂
• Hexadecimal: 0x1DEC286260
• Base-36: 1N1F6HR4

Squares and roots of 128516121184

• 128516121184 squared (128516121184²) is 16516393404180573561856
• 128516121184 cubed (128516121184³) is 2122622816254288884094112215957504
• The square root of 128516121184 is 358491.4520375625
• The cube root of 128516121184 is 5046.4487817515

Scales and comparisons

• 128,516,121,184 seconds is equal to 4,086 years, 21 weeks, 4 days, 2 hours, 33 minutes, 4 seconds.
• To count from 1 to 128,516,121,184 would take you about eight thousand, one hundred seventy-two 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 128516121184 cubic inches would be around 420.5 feet tall.

Recreational maths with 128516121184

• 128516121184 backwards is 481121615821
• The number of decimal digits it has is: 12
• The sum of 128516121184's digits is 40
• More coming soon!