129321752616

Names of 129321752616

• Cardinal: 129321752616 can be written as One hundred twenty-nine billion, three hundred twenty-one million, seven hundred fifty-two thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 1.29321752616 × 10¹¹

Factors of 129321752616

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 256590791

Divisors of 129321752616

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 256590779 513181558 769772337 1026363116 1539544674 1796135453 2052726232 2309317011 3079089348 3592270906 4618634022 5388406359 6158178696 7184541812 9237268044 10776812718 14369083624 16165219077 18474536088 21553625436 32330438154 43107250872 64660876308 129321752616
• Sum of all divisors σ(n): 400281616800
• Sum of proper divisors (its aliquot sum) s(n): 270959864184
• 129321752616 is an abundant number, because the sum of its proper divisors (270959864184) is greater than itself. Its abundance is 141638111568

Bases of 129321752616

• Binary: 1111000011100001011010101100000101000₂
• Hexadecimal: 0x1E1C2D5828
• Base-36: 1NEQTYY0

Squares and roots of 129321752616

• 129321752616 squared (129321752616²) is 16724115699673902843456
• 129321752616 cubed (129321752616³) is 2162791953234590215392635806480896
• The square root of 129321752616 is 359613.3376503157
• The cube root of 129321752616 is 5056.9717466599

Scales and comparisons

• 129,321,752,616 seconds is equal to 4,112 years, 1 week, 4 days, 13 hours, 3 minutes, 36 seconds.
• To count from 1 to 129,321,752,616 would take you about eight thousand, two 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 129321752616 cubic inches would be around 421.4 feet tall.

Recreational maths with 129321752616

• 129321752616 backwards is 616257123921
• The number of decimal digits it has is: 12
• The sum of 129321752616's digits is 45
• More coming soon!