30481668

Names of 30481668

• Cardinal: 30481668 can be written as Thirty million, four hundred eighty-one thousand, six hundred sixty-eight.

Scientific notation

• Scientific notation: 3.0481668 × 10⁷

Factors of 30481668

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 181

Divisors of 30481668

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 29 36 42 43 58 63 84 86 87 97 116 126 129 172 174 194 203 252 258 261 291 301 348 387 388 406 516 522 582 602 609 679 774 812 873 903 1044 1164 1204 1218 1247 1358 1548 1746 1806 1827 2037 2436 2494 2709 2716 2813 3492 3612 3654 3741 4074 4171 4988 5418 5626 6111 7308 7482 8148 8342 8439 8729 10836 11223 11252 12222 12513 14964 16684 16878 17458 19691 22446 24444 25026 25317 26187 29197 33756 34916 37539 39382 44892 50052 50634 52374 58394 59073 75078 78561 78764 87591 101268 104748 116788 118146 120959 150156 157122 175182 177219 236292 241918 262773 314244 350364 354438 362877 483836 525546 708876 725754 846713 1051092 1088631 1451508 1693426 2177262 2540139 3386852 4354524 5080278 7620417 10160556 15240834 30481668
• Sum of all divisors σ(n): 94174080
• Sum of proper divisors (its aliquot sum) s(n): 63692412
• 30481668 is an abundant number, because the sum of its proper divisors (63692412) is greater than itself. Its abundance is 33210744

Bases of 30481668

• Binary: 1110100010001110100000100₂
• Hexadecimal: 0x1D11D04
• Base-36: I5BT0

Squares and roots of 30481668

• 30481668 squared (30481668²) is 929132084062224
• 30481668 cubed (30481668³) is 28321495714532803309632
• The square root of 30481668 is 5521.0205578317
• The cube root of 30481668 is 312.3773786643

Scales and comparisons

• 30,481,668 seconds is equal to 50 weeks, 2 days, 19 hours, 7 minutes, 48 seconds.
• To count from 1 to 30,481,668 would take you about twenty-three 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 30481668 cubic inches would be around 26 feet tall.

Recreational maths with 30481668

• 30481668 backwards is 86618403
• 30481668 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30481668's digits is 36
• More coming soon!