28847130

Names of 28847130

• Cardinal: 28847130 can be written as Twenty-eight million, eight hundred forty-seven thousand, one hundred thirty.

Scientific notation

• Scientific notation: 2.884713 × 10⁷

Factors of 28847130

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 288

Divisors of 28847130

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 10 13 15 17 19 26 30 34 38 39 51 57 65 78 85 95 102 114 130 170 190 195 221 229 247 255 285 323 390 442 458 494 510 570 646 663 687 741 969 1105 1145 1235 1326 1374 1482 1615 1938 2210 2290 2470 2977 3230 3315 3435 3705 3893 4199 4351 4845 5954 6630 6870 7410 7786 8398 8702 8931 9690 11679 12597 13053 14885 17862 19465 20995 21755 23358 25194 26106 29770 38930 41990 43510 44655 50609 56563 58395 62985 65265 73967 89310 101218 113126 116790 125970 130530 147934 151827 169689 221901 253045 282815 303654 339378 369835 443802 506090 565630 739670 759135 848445 961571 1109505 1518270 1696890 1923142 2219010 2884713 4807855 5769426 9615710 14423565 28847130
• Sum of all divisors σ(n): 83462400
• Sum of proper divisors (its aliquot sum) s(n): 54615270
• 28847130 is an abundant number, because the sum of its proper divisors (54615270) is greater than itself. Its abundance is 25768140

Bases of 28847130

• Binary: 1101110000010110000011010₂
• Hexadecimal: 0x1B82C1A
• Base-36: H6AL6

Squares and roots of 28847130

• 28847130 squared (28847130²) is 832156909236900
• 28847130 cubed (28847130³) is 24005338541155055097000
• The square root of 28847130 is 5370.9524295045
• The cube root of 28847130 is 306.6908862935

Scales and comparisons

• 28,847,130 seconds is equal to 47 weeks, 4 days, 21 hours, 5 minutes, 30 seconds.
• To count from 1 to 28,847,130 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 28847130 cubic inches would be around 25.6 feet tall.

Recreational maths with 28847130

• 28847130 backwards is 03174882
• The number of decimal digits it has is: 8
• The sum of 28847130's digits is 33
• More coming soon!