28146690

Names of 28146690

• Cardinal: 28146690 can be written as Twenty-eight million, one hundred forty-six thousand, six hundred ninety.

Scientific notation

• Scientific notation: 2.814669 × 10⁷

Factors of 28146690

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 34

Divisors of 28146690

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 11 13 15 18 22 26 27 30 33 39 45 54 55 65 66 78 81 90 99 110 117 130 135 143 162 165 195 198 234 243 270 286 297 330 351 390 405 429 486 495 585 594 702 715 729 810 858 891 990 1053 1170 1215 1287 1430 1458 1485 1755 1782 2106 2145 2187 2430 2574 2673 2970 3159 3510 3645 3861 4290 4374 4455 5265 5346 6318 6435 6561 7290 7722 8019 8910 9477 10530 10935 11583 12870 13122 13365 15795 16038 18954 19305 19683 21870 23166 24057 26730 28431 31590 32805 34749 38610 39366 40095 47385 48114 56862 57915 65610 69498 72171 80190 85293 94770 98415 104247 115830 120285 142155 144342 170586 173745 196830 208494 216513 240570 255879 284310 312741 347490 360855 426465 433026 511758 521235 625482 721710 852930 938223 1042470 1082565 1279395 1563705 1876446 2165130 2558790 2814669 3127410 4691115 5629338 9382230 14073345 28146690
• Sum of all divisors σ(n): 89280576
• Sum of proper divisors (its aliquot sum) s(n): 61133886
• 28146690 is an abundant number, because the sum of its proper divisors (61133886) is greater than itself. Its abundance is 32987196

Bases of 28146690

• Binary: 1101011010111110000000010₂
• Hexadecimal: 0x1AD7C02
• Base-36: GRA4I

Squares and roots of 28146690

• 28146690 squared (28146690²) is 792236157956100
• 28146690 cubed (28146690³) is 22298825544781380309000
• The square root of 28146690 is 5305.3454175953
• The cube root of 28146690 is 304.1882562603

Scales and comparisons

• 28,146,690 seconds is equal to 46 weeks, 3 days, 18 hours, 31 minutes, 30 seconds.
• To count from 1 to 28,146,690 would take you about seventeen 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 28146690 cubic inches would be around 25.3 feet tall.

Recreational maths with 28146690

• 28146690 backwards is 09664182
• The number of decimal digits it has is: 8
• The sum of 28146690's digits is 36
• More coming soon!