28886480
28,886,480 is an even composite number composed of four prime numbers multiplied together.
28886480 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixty divisors.
Prime factorization of 28886480:
24 × 5 × 72 × 7369
(2 × 2 × 2 × 2 × 5 × 7 × 7 × 7369)See below for interesting mathematical facts about the number 28886480 from the Numbermatics database.
Names of 28886480
- Cardinal: 28886480 can be written as Twenty-eight million, eight hundred eighty-six thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.888648 × 107
Factors of 28886480
Divisors of 28886480
- Number of divisors d(n): 60
-
Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 490 560 784 980 1960 3920 7369 14738 29476 36845 51583 58952 73690 103166 117904 147380 206332 257915 294760 361081 412664 515830 589520 722162 825328 1031660 1444324 1805405 2063320 2888648 3610810 4126640 5777296 7221620 14443240 28886480
- Sum of all divisors σ(n): 78136740
- Sum of proper divisors (its aliquot sum) s(n): 49250260
- 28886480 is an abundant number, because the sum of its proper divisors (49250260) is greater than itself. Its abundance is 20363780
Bases of 28886480
- Binary: 11011100011000101110100002
- Hexadecimal: 0x1B8C5D0
- Base-36: H74Y8
Squares and roots of 28886480
- 28886480 squared (288864802) is 834428726790400
- 28886480 cubed (288864803) is 24103708727856353792000
-
The
square root of 28886480 is 5374.6144047737 -
The
cube root of 28886480 is 306.8302739683
Scales and comparisons
How big is 28886480?- 28,886,480 seconds is equal to 47 weeks, 5 days, 8 hours, 1 minute, 20 seconds.
-
To count from 1 to 28,886,480 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 28886480 cubic inches would be around 25.6 feet tall.
Recreational maths with 28886480
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