29978130

Names of 29978130

• Cardinal: 29978130 can be written as Twenty-nine million, nine hundred seventy-eight thousand, one hundred thirty.

Scientific notation

• Scientific notation: 2.997813 × 10⁷

Factors of 29978130

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 248

Divisors of 29978130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 79 91 105 130 139 158 182 195 210 237 273 278 390 395 417 455 474 546 553 695 790 834 910 973 1027 1106 1185 1365 1390 1659 1807 1946 2054 2085 2370 2730 2765 2919 3081 3318 3614 4170 4865 5135 5421 5530 5838 6162 7189 8295 9035 9730 10270 10842 10981 12649 14378 14595 15405 16590 18070 21567 21962 25298 27105 29190 30810 32943 35945 37947 43134 54210 54905 63245 65886 71890 75894 76867 107835 109810 126490 142753 153734 164715 189735 215670 230601 285506 329430 379470 384335 428259 461202 713765 768670 856518 999271 1153005 1427530 1998542 2141295 2306010 2997813 4282590 4996355 5995626 9992710 14989065 29978130
• Sum of all divisors σ(n): 90316800
• Sum of proper divisors (its aliquot sum) s(n): 60338670
• 29978130 is an abundant number, because the sum of its proper divisors (60338670) is greater than itself. Its abundance is 30360540

Bases of 29978130

• Binary: 1110010010110111000010010₂
• Hexadecimal: 0x1C96E12
• Base-36: HUJ9U

Squares and roots of 29978130

• 29978130 squared (29978130²) is 898688278296900
• 29978130 cubed (29978130³) is 26940994036260646797000
• The square root of 29978130 is 5475.2287623443
• The cube root of 29978130 is 310.6477264901

Scales and comparisons

• 29,978,130 seconds is equal to 49 weeks, 3 days, 23 hours, 15 minutes, 30 seconds.
• To count from 1 to 29,978,130 would take you about twenty-two weeks!

  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 29978130 cubic inches would be around 25.9 feet tall.

Recreational maths with 29978130

• 29978130 backwards is 03187992
• 29978130 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 29978130's digits is 39
• More coming soon!