28830620

Names of 28830620

• Cardinal: 28830620 can be written as Twenty-eight million, eight hundred thirty thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.883062 × 10⁷

Factors of 28830620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 131

Divisors of 28830620

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 49 52 62 65 70 73 91 98 124 130 140 146 155 182 196 217 245 260 292 310 364 365 403 434 455 490 511 620 637 730 806 868 910 949 980 1022 1085 1274 1460 1519 1612 1820 1898 2015 2044 2170 2263 2548 2555 2821 3038 3185 3577 3796 4030 4340 4526 4745 5110 5642 6076 6370 6643 7154 7595 8060 9052 9490 10220 11284 11315 12740 13286 14105 14308 15190 15841 17885 18980 19747 22630 26572 28210 29419 30380 31682 33215 35770 39494 45260 46501 56420 58838 63364 66430 71540 78988 79205 93002 98735 110887 117676 132860 147095 158410 186004 197470 205933 221774 232505 294190 316820 394940 411866 443548 465010 554435 588380 823732 930020 1029665 1108870 1441531 2059330 2217740 2883062 4118660 5766124 7207655 14415310 28830620
• Sum of all divisors σ(n): 79365888
• Sum of proper divisors (its aliquot sum) s(n): 50535268
• 28830620 is an abundant number, because the sum of its proper divisors (50535268) is greater than itself. Its abundance is 21704648

Bases of 28830620

• Binary: 1101101111110101110011100₂
• Hexadecimal: 0x1B7EB9C
• Base-36: H5XUK

Squares and roots of 28830620

• 28830620 squared (28830620²) is 831204649584400
• 28830620 cubed (28830620³) is 23964145394400994328000
• The square root of 28830620 is 5369.4152381801
• The cube root of 28830620 is 306.6323659389

Scales and comparisons

• 28,830,620 seconds is equal to 47 weeks, 4 days, 16 hours, 30 minutes, 20 seconds.
• To count from 1 to 28,830,620 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 28830620 cubic inches would be around 25.6 feet tall.

Recreational maths with 28830620

• 28830620 backwards is 02603882
• The number of decimal digits it has is: 8
• The sum of 28830620's digits is 29
• More coming soon!