28988740
28,988,740 is an even composite number composed of six prime numbers multiplied together.
28988740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 28988740:
22 × 5 × 11 × 17 × 23 × 337
(2 × 2 × 5 × 11 × 17 × 23 × 337)See below for interesting mathematical facts about the number 28988740 from the Numbermatics database.
Names of 28988740
- Cardinal: 28988740 can be written as Twenty-eight million, nine hundred eighty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.898874 × 107
Factors of 28988740
Divisors of 28988740
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 11 17 20 22 23 34 44 46 55 68 85 92 110 115 170 187 220 230 253 337 340 374 391 460 506 674 748 782 935 1012 1265 1348 1564 1685 1870 1955 2530 3370 3707 3740 3910 4301 5060 5729 6740 7414 7751 7820 8602 11458 14828 15502 17204 18535 21505 22916 28645 31004 37070 38755 43010 57290 63019 74140 77510 85261 86020 114580 126038 131767 155020 170522 252076 263534 315095 341044 426305 527068 630190 658835 852610 1260380 1317670 1449437 1705220 2635340 2898874 5797748 7247185 14494370 28988740
- Sum of all divisors σ(n): 73592064
- Sum of proper divisors (its aliquot sum) s(n): 44603324
- 28988740 is an abundant number, because the sum of its proper divisors (44603324) is greater than itself. Its abundance is 15614584
Bases of 28988740
- Binary: 11011101001010101010001002
- Hexadecimal: 0x1BA5544
- Base-36: H9BUS
Squares and roots of 28988740
- 28988740 squared (289887402) is 840347046787600
- 28988740 cubed (289887403) is 24360602049093571624000
-
The
square root of 28988740 is 5384.1192408787 -
The
cube root of 28988740 is 307.1919138723
Scales and comparisons
How big is 28988740?- 28,988,740 seconds is equal to 47 weeks, 6 days, 12 hours, 25 minutes, 40 seconds.
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To count from 1 to 28,988,740 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 28988740 cubic inches would be around 25.6 feet tall.
Recreational maths with 28988740
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The information we have on file for 28988740 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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