129132788080

Names of 129132788080

• Cardinal: 129132788080 can be written as One hundred twenty-nine billion, one hundred thirty-two million, seven hundred eighty-eight thousand and eighty.

Scientific notation

• Scientific notation: 1.2913278808 × 10¹¹

Factors of 129132788080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 830155

Divisors of 129132788080

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 40 80 1949 3898 7796 9745 15592 19490 31184 38980 77960 155920 828199 1656398 3312796 4140995 6625592 8281990 13251184 16563980 33127960 66255920 1614159851 3228319702 6456639404 8070799255 12913278808 16141598510 25826557616 32283197020 64566394040 129132788080
• Sum of all divisors σ(n): 300388140000
• Sum of proper divisors (its aliquot sum) s(n): 171255351920
• 129132788080 is an abundant number, because the sum of its proper divisors (171255351920) is greater than itself. Its abundance is 42122563840

Bases of 129132788080

• Binary: 1111000010000111010011111100101110000₂
• Hexadecimal: 0x1E10E9F970
• Base-36: 1NBMBSZ4

Squares and roots of 129132788080

• 129132788080 squared (129132788080²) is 16675276957314190086400
• 129132788080 cubed (129132788080³) is 2153325005504160514403928090112000
• The square root of 129132788080 is 359350.5086680691
• The cube root of 129132788080 is 5054.5074689631

Scales and comparisons

• 129,132,788,080 seconds is equal to 4,106 years, 1 week, 1 day, 10 hours, 54 minutes, 40 seconds.
• To count from 1 to 129,132,788,080 would take you about eight thousand, two hundred twelve 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 129132788080 cubic inches would be around 421.2 feet tall.

Recreational maths with 129132788080

• 129132788080 backwards is 080887231921
• The number of decimal digits it has is: 12
• The sum of 129132788080's digits is 49
• More coming soon!