129485550960

Names of 129485550960

• Cardinal: 129485550960 can be written as One hundred twenty-nine billion, four hundred eighty-five million, five hundred fifty thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 1.2948555096 × 10¹¹

Factors of 129485550960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 179841053

Divisors of 129485550960

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 179841043 359682086 539523129 719364172 899205215 1079046258 1438728344 1618569387 1798410430 2158092516 2697615645 2877456688 3237138774 3596820860 4316185032 5395231290 6474277548 7193641720 8092846935 8632370064 10790462580 12948555096 14387283440 16185693870 21580925160 25897110192 32371387740 43161850320 64742775480 129485550960
• Sum of all divisors σ(n): 434855644392
• Sum of proper divisors (its aliquot sum) s(n): 305370093432
• 129485550960 is an abundant number, because the sum of its proper divisors (305370093432) is greater than itself. Its abundance is 175884542472

Bases of 129485550960

• Binary: 1111000100101111100001011010101110000₂
• Hexadecimal: 0x1E25F0B570
• Base-36: 1NHGCQK0

Squares and roots of 129485550960

• 129485550960 squared (129485550960²) is 16766507907414756921600
• 129485550960 cubed (129485550960³) is 2171020514066796469227849524736000
• The square root of 129485550960 is 359841.0078909851
• The cube root of 129485550960 is 5059.1058916891

Scales and comparisons

• 129,485,550,960 seconds is equal to 4,117 years, 12 weeks, 3 days, 8 hours, 36 minutes.
• To count from 1 to 129,485,550,960 would take you about eight thousand, two hundred thirty-four 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 129485550960 cubic inches would be around 421.6 feet tall.

Recreational maths with 129485550960

• 129485550960 backwards is 069055584921
• The number of decimal digits it has is: 12
• The sum of 129485550960's digits is 54
• More coming soon!