129843704472

Names of 129843704472

• Cardinal: 129843704472 can be written as One hundred twenty-nine billion, eight hundred forty-three million, seven hundred four thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.29843704472 × 10¹¹

Factors of 129843704472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 31628

Divisors of 129843704472

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 24 163 326 489 652 978 1093 1304 1956 2186 3279 3912 4372 6558 8744 13116 26232 30367 60734 91101 121468 178159 182202 242936 356318 364404 534477 712636 728808 1068954 1425272 2137908 4275816 4949821 9899642 14849463 19799284 29698926 33191131 39598568 59397852 66382262 99573393 118795704 132764524 199146786 265529048 398293572 796587144 5410154353 10820308706 16230463059 21640617412 32460926118 43281234824 64921852236 129843704472
• Sum of all divisors σ(n): 326910305280
• Sum of proper divisors (its aliquot sum) s(n): 197066600808
• 129843704472 is an abundant number, because the sum of its proper divisors (197066600808) is greater than itself. Its abundance is 67222896336

Bases of 129843704472

• Binary: 1111000111011010010011011001010011000₂
• Hexadecimal: 0x1E3B49B298
• Base-36: 1NNDL7KO

Squares and roots of 129843704472

• 129843704472 squared (129843704472²) is 16859387591012072798784
• 129843704472 cubed (129843704472³) is 2189085339946275583869459616962048
• The square root of 129843704472 is 360338.3194610309
• The cube root of 129843704472 is 5063.7660474689

Scales and comparisons

• 129,843,704,472 seconds is equal to 4,128 years, 32 weeks, 4 days, 15 hours, 41 minutes, 12 seconds.
• To count from 1 to 129,843,704,472 would take you about eight thousand, two hundred fifty-seven 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 129843704472 cubic inches would be around 422 feet tall.

Recreational maths with 129843704472

• 129843704472 backwards is 274407348921
• The number of decimal digits it has is: 12
• The sum of 129843704472's digits is 51
• More coming soon!