129804723100

Names of 129804723100

• Cardinal: 129804723100 can be written as One hundred twenty-nine billion, eight hundred four million, seven hundred twenty-three thousand, one hundred.

Scientific notation

• Scientific notation: 1.298047231 × 10¹¹

Factors of 129804723100

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 21432

Divisors of 129804723100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 6863 13726 14549 27452 29098 34315 58196 68630 72745 89219 137260 145490 171575 178438 189137 290980 343150 356876 363725 378274 446095 686300 727450 756548 892190 945685 1454900 1784380 1891370 2230475 3782740 4460950 4728425 8921900 9456850 18913700 99849787 199699574 399399148 499248935 998497870 1298047231 1996995740 2496244675 2596094462 4992489350 5192188924 6490236155 9984978700 12980472310 25960944620 32451180775 64902361550 129804723100
• Sum of all divisors σ(n): 303408705600
• Sum of proper divisors (its aliquot sum) s(n): 173603982500
• 129804723100 is an abundant number, because the sum of its proper divisors (173603982500) is greater than itself. Its abundance is 43799259400

Bases of 129804723100

• Binary: 1111000111000111101101110001110011100₂
• Hexadecimal: 0x1E38F6E39C
• Base-36: 1NMQDPCS

Squares and roots of 129804723100

• 129804723100 squared (129804723100²) is 16849266139067673610000
• 129804723100 cubed (129804723100³) is 2187114325619885465107227391000000
• The square root of 129804723100 is 360284.2254387499
• The cube root of 129804723100 is 5063.2592527659

Scales and comparisons

• 129,804,723,100 seconds is equal to 4,127 years, 20 weeks, 1 day, 11 hours, 31 minutes, 40 seconds.
• To count from 1 to 129,804,723,100 would take you about eight thousand, two hundred fifty-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 129804723100 cubic inches would be around 421.9 feet tall.

Recreational maths with 129804723100

• 129804723100 backwards is 001327408921
• The number of decimal digits it has is: 12
• The sum of 129804723100's digits is 37
• More coming soon!