129829136140604161

Names of 129829136140604161

• Cardinal: 129829136140604161 can be written as One hundred twenty-nine quadrillion, eight hundred twenty-nine trillion, one hundred thirty-six billion, one hundred forty million, six hundred four thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.29829136140604161 × 10¹⁷

Factors of 129829136140604161

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 5
• Sum of prime factors: 804410529

Divisors of 129829136140604161

• Number of divisors d(n): 32
• Complete list of divisors:
  1 17 29 443 493 739 7531 12563 12847 21431 218399 327377 364327 5565409 9493933 161396861 804409301 13674958117 23327869729 356353320343 396573785393 594458473439 6058006445831 10105794048463 10334246289947 17239295729731 175682186929099 263345103733477 293068027405427 4476866763469109 7637008008270833 129829136140604161
• Sum of all divisors σ(n): 142720228943164800
• Sum of proper divisors (its aliquot sum) s(n): 12891092802560639
• 129829136140604161 is a deficient number, because the sum of its proper divisors (12891092802560639) is less than itself. Its deficiency is 116938043338043522

Bases of 129829136140604161

• Binary: 111001101001111101110100101010101001010000001001100000001₂
• Hexadecimal: 0x1CD3EE955281301
• Base-36: ZICL5RL5MO1

Squares and roots of 129829136140604161

• 129829136140604161 squared (129829136140604161²) is 16855604591015529501039322090513921
• 129829136140604161 cubed (129829136140604161³) is 2188348583179147699369932952501518669947731921025281
• The square root of 129829136140604161 is 360318104.0977599297
• The cube root of 129829136140604161 is 506357.6657254541

Scales and comparisons

• 129,829,136,140,604,161 seconds is equal to 4,128,164,941 years, 20 weeks, 9 hours, 36 minutes, 1 second.
• To count from 1 to 129,829,136,140,604,161 would take you about twelve billion, three hundred eighty-four million, four hundred ninety-four thousand, eight hundred twenty-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 129829136140604161 cubic inches would be around 42196.5 feet tall.

Recreational maths with 129829136140604161

• 129829136140604161 backwards is 161406041631928921
• The number of decimal digits it has is: 18
• The sum of 129829136140604161's digits is 64
• More coming soon!