28713440
28,713,440 is an even composite number composed of five prime numbers multiplied together.
28713440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28713440:
25 × 5 × 7 × 31 × 827
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 31 × 827)See below for interesting mathematical facts about the number 28713440 from the Numbermatics database.
Names of 28713440
- Cardinal: 28713440 can be written as Twenty-eight million, seven hundred thirteen thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.871344 × 107
Factors of 28713440
Divisors of 28713440
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 70 80 112 124 140 155 160 217 224 248 280 310 434 496 560 620 827 868 992 1085 1120 1240 1654 1736 2170 2480 3308 3472 4135 4340 4960 5789 6616 6944 8270 8680 11578 13232 16540 17360 23156 25637 26464 28945 33080 34720 46312 51274 57890 66160 92624 102548 115780 128185 132320 179459 185248 205096 231560 256370 358918 410192 463120 512740 717836 820384 897295 926240 1025480 1435672 1794590 2050960 2871344 3589180 4101920 5742688 7178360 14356720 28713440
- Sum of all divisors σ(n): 80123904
- Sum of proper divisors (its aliquot sum) s(n): 51410464
- 28713440 is an abundant number, because the sum of its proper divisors (51410464) is greater than itself. Its abundance is 22697024
Bases of 28713440
- Binary: 11011011000100001111000002
- Hexadecimal: 0x1B621E0
- Base-36: H3FFK
Squares and roots of 28713440
- 28713440 squared (287134402) is 824461636633600
- 28713440 cubed (287134403) is 23673129735780675584000
-
The
square root of 28713440 is 5358.4923252721 -
The
cube root of 28713440 is 306.2163733731
Scales and comparisons
How big is 28713440?- 28,713,440 seconds is equal to 47 weeks, 3 days, 7 hours, 57 minutes, 20 seconds.
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To count from 1 to 28,713,440 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 28713440 cubic inches would be around 25.5 feet tall.
Recreational maths with 28713440
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The information we have on file for 28713440 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!
Keywords: Divisors of 28713440, math, Factors of 28713440, curriculum, school, college, exams, university, Prime factorization of 28713440, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, seven hundred thirteen thousand, four hundred forty.