129206350

Names of 129206350

• Cardinal: 129206350 can be written as One hundred twenty-nine million, two hundred six thousand, three hundred fifty.

Scientific notation

• Scientific notation: 1.2920635 × 10⁸

Factors of 129206350

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 489

Divisors of 129206350

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 13 14 25 26 35 50 65 70 73 91 130 146 175 182 325 350 365 389 455 511 650 730 778 910 949 1022 1825 1898 1945 2275 2555 2723 3650 3890 4550 4745 5057 5110 5446 6643 9490 9725 10114 12775 13286 13615 19450 23725 25285 25550 27230 28397 33215 35399 47450 50570 56794 66430 68075 70798 126425 136150 141985 166075 176995 198779 252850 283970 332150 353990 369161 397558 709925 738322 884975 993895 1419850 1769950 1845805 1987790 2584127 3691610 4969475 5168254 9229025 9938950 12920635 18458050 25841270 64603175 129206350
• Sum of all divisors σ(n): 300605760
• Sum of proper divisors (its aliquot sum) s(n): 171399410
• 129206350 is an abundant number, because the sum of its proper divisors (171399410) is greater than itself. Its abundance is 42193060

Bases of 129206350

• Binary: 111101100111000100001001110₂
• Hexadecimal: 0x7B3884E
• Base-36: 24XC9A

Squares and roots of 129206350

• 129206350 squared (129206350²) is 16694280880322500
• 129206350 cubed (129206350³) is 2157007098421257047875000
• The square root of 129206350 is 11366.8971139883
• The cube root of 129206350 is 505.5467072119

Scales and comparisons

• 129,206,350 seconds is equal to 4 years, 5 weeks, 4 days, 10 hours, 39 minutes, 10 seconds.
• To count from 1 to 129,206,350 would take you about six 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 129206350 cubic inches would be around 42.1 feet tall.

Recreational maths with 129206350

• 129206350 backwards is 053602921
• The number of decimal digits it has is: 9
• The sum of 129206350's digits is 28
• More coming soon!