28678923
28,678,923 is an odd composite number composed of five prime numbers multiplied together.
28678923 is an odd composite number. It is composed of five distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 28678923:
32 × 7 × 13 × 192 × 97
(3 × 3 × 7 × 13 × 19 × 19 × 97)See below for interesting mathematical facts about the number 28678923 from the Numbermatics database.
Names of 28678923
- Cardinal: 28678923 can be written as Twenty-eight million, six hundred seventy-eight thousand, nine hundred twenty-three.
Scientific notation
- Scientific notation: 2.8678923 × 107
Factors of 28678923
Divisors of 28678923
- Number of divisors d(n): 72
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Complete list of divisors:
1 3 7 9 13 19 21 39 57 63 91 97 117 133 171 247 273 291 361 399 679 741 819 873 1083 1197 1261 1729 1843 2037 2223 2527 3249 3783 4693 5187 5529 6111 7581 8827 11349 12901 14079 15561 16587 22743 23959 26481 32851 35017 38703 42237 71877 79443 98553 105051 116109 167713 215631 245119 295659 315153 455221 503139 735357 1365663 1509417 2206071 3186547 4096989 9559641 28678923
- Sum of all divisors σ(n): 54364128
- Sum of proper divisors (its aliquot sum) s(n): 25685205
- 28678923 is a deficient number, because the sum of its proper divisors (25685205) is less than itself. Its deficiency is 2993718
Bases of 28678923
- Binary: 11011010110011011000010112
- Hexadecimal: 0x1B59B0B
- Base-36: H2OSR
Squares and roots of 28678923
- 28678923 squared (286789232) is 822480624439929
- 28678923 cubed (286789233) is 23587858497304641916467
-
The
square root of 28678923 is 5355.2705813993 -
The
cube root of 28678923 is 306.0936212317
Scales and comparisons
How big is 28678923?- 28,678,923 seconds is equal to 47 weeks, 2 days, 22 hours, 22 minutes, 3 seconds.
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To count from 1 to 28,678,923 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 28678923 cubic inches would be around 25.5 feet tall.
Recreational maths with 28678923
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The information we have on file for 28678923 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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