28984340

Names of 28984340

• Cardinal: 28984340 can be written as Twenty-eight million, nine hundred eighty-four thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.898434 × 10⁷

Factors of 28984340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 113

Divisors of 28984340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 29 35 44 55 58 59 70 77 110 116 118 121 140 145 154 203 220 236 242 290 295 308 319 385 406 413 484 580 590 605 638 649 770 812 826 847 1015 1180 1210 1276 1298 1540 1595 1652 1694 1711 2030 2065 2233 2420 2596 3190 3245 3388 3422 3509 4060 4130 4235 4466 4543 6380 6490 6844 7018 7139 8260 8470 8555 8932 9086 11165 11977 12980 14036 14278 16940 17110 17545 18172 18821 22330 22715 23954 24563 28556 34220 35090 35695 37642 44660 45430 47908 49126 49973 59885 70180 71390 75284 90860 94105 98252 99946 119770 122815 131747 142780 188210 199892 207031 239540 245630 249865 263494 376420 414062 491260 499730 526988 658735 828124 999460 1035155 1317470 1449217 2070310 2634940 2898434 4140620 5796868 7246085 14492170 28984340
• Sum of all divisors σ(n): 80438400
• Sum of proper divisors (its aliquot sum) s(n): 51454060
• 28984340 is an abundant number, because the sum of its proper divisors (51454060) is greater than itself. Its abundance is 22469720

Bases of 28984340

• Binary: 1101110100100010000010100₂
• Hexadecimal: 0x1BA4414
• Base-36: H98GK

Squares and roots of 28984340

• 28984340 squared (28984340²) is 840091965235600
• 28984340 cubed (28984340³) is 24349511151656810504000
• The square root of 28984340 is 5383.7106162943
• The cube root of 28984340 is 307.1763709085

Scales and comparisons

• 28,984,340 seconds is equal to 47 weeks, 6 days, 11 hours, 12 minutes, 20 seconds.
• To count from 1 to 28,984,340 would take you about nineteen 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 28984340 cubic inches would be around 25.6 feet tall.

Recreational maths with 28984340

• 28984340 backwards is 04348982
• The number of decimal digits it has is: 8
• The sum of 28984340's digits is 38
• More coming soon!