30129996

Names of 30129996

• Cardinal: 30129996 can be written as Thirty million, one hundred twenty-nine thousand, nine hundred ninety-six.

Scientific notation

• Scientific notation: 3.0129996 × 10⁷

Factors of 30129996

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 280

Divisors of 30129996

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 12 13 26 39 52 78 83 156 166 169 179 249 332 338 358 498 507 537 676 716 996 1014 1074 1079 2028 2148 2158 2327 3237 4316 4654 6474 6981 9308 12948 13962 14027 14857 27924 28054 29714 30251 42081 44571 56108 59428 60502 84162 89142 90753 121004 168324 178284 181506 193141 363012 386282 579423 772564 1158846 2317692 2510833 5021666 7532499 10043332 15064998 30129996
• Sum of all divisors σ(n): 77474880
• Sum of proper divisors (its aliquot sum) s(n): 47344884
• 30129996 is an abundant number, because the sum of its proper divisors (47344884) is greater than itself. Its abundance is 17214888

Bases of 30129996

• Binary: 1110010111011111101001100₂
• Hexadecimal: 0x1CBBF4C
• Base-36: HXSGC

Squares and roots of 30129996

• 30129996 squared (30129996²) is 907816658960016
• 30129996 cubed (30129996³) is 27352512303198646239936
• The square root of 30129996 is 5489.0797042855
• The cube root of 30129996 is 311.1714125555

Scales and comparisons

• 30,129,996 seconds is equal to 49 weeks, 5 days, 17 hours, 26 minutes, 36 seconds.
• To count from 1 to 30,129,996 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 30129996 cubic inches would be around 25.9 feet tall.

Recreational maths with 30129996

• 30129996 backwards is 69992103
• 30129996 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30129996's digits is 39
• More coming soon!