30673728

Names of 30673728

• Cardinal: 30673728 can be written as Thirty million, six hundred seventy-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0673728 × 10⁷

Factors of 30673728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 163

Divisors of 30673728

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 64 72 81 96 97 108 122 144 162 183 192 194 216 244 288 291 324 366 388 432 488 549 576 582 648 732 776 864 873 976 1098 1164 1296 1464 1552 1647 1728 1746 1952 2196 2328 2592 2619 2928 3104 3294 3492 3904 4392 4656 4941 5184 5238 5856 5917 6208 6588 6984 7857 8784 9312 9882 10476 11712 11834 13176 13968 15714 17568 17751 18624 19764 20952 23668 26352 27936 31428 35136 35502 39528 41904 47336 52704 53253 55872 62856 71004 79056 83808 94672 105408 106506 125712 142008 158112 159759 167616 189344 213012 251424 284016 316224 319518 378688 426024 479277 502848 568032 639036 852048 958554 1136064 1278072 1704096 1917108 2556144 3408192 3834216 5112288 7668432 10224576 15336864 30673728
• Sum of all divisors σ(n): 93369892
• Sum of proper divisors (its aliquot sum) s(n): 62696164
• 30673728 is an abundant number, because the sum of its proper divisors (62696164) is greater than itself. Its abundance is 32022436

Bases of 30673728

• Binary: 1110101000000101101000000₂
• Hexadecimal: 0x1D40B40
• Base-36: I9G00

Squares and roots of 30673728

• 30673728 squared (30673728²) is 940877589417984
• 30673728 cubed (30673728³) is 28860223259102919524352
• The square root of 30673728 is 5538.3867687261
• The cube root of 30673728 is 313.0320850925

Scales and comparisons

• 30,673,728 seconds is equal to 50 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 30,673,728 would take you about twenty-four 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 30673728 cubic inches would be around 26.1 feet tall.

Recreational maths with 30673728

• 30673728 backwards is 82737603
• 30673728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30673728's digits is 36
• More coming soon!