28231520400
28,231,520,400 is an even composite number composed of five prime numbers multiplied together.
28231520400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eighty divisors.
Prime factorization of 28231520400:
24 × 32 × 52 × 83 × 94483
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 5 × 83 × 94483)See below for interesting mathematical facts about the number 28231520400 from the Numbermatics database.
Names of 28231520400
- Cardinal: 28231520400 can be written as Twenty-eight billion, two hundred thirty-one million, five hundred twenty thousand, four hundred.
Scientific notation
- Scientific notation: 2.82315204 × 1010
Factors of 28231520400
Divisors of 28231520400
- Number of divisors d(n): 180
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 36 40 45 48 50 60 72 75 80 83 90 100 120 144 150 166 180 200 225 240 249 300 332 360 400 415 450 498 600 664 720 747 830 900 996 1200 1245 1328 1494 1660 1800 1992 2075 2490 2988 3320 3600 3735 3984 4150 4980 5976 6225 6640 7470 8300 9960 11952 12450 14940 16600 18675 19920 24900 29880 33200 37350 49800 59760 74700 94483 99600 149400 188966 283449 298800 377932 472415 566898 755864 850347 944830 1133796 1417245 1511728 1700694 1889660 2267592 2362075 2834490 3401388 3779320 4251735 4535184 4724150 5668980 6802776 7086225 7558640 7842089 8503470 9448300 11337960 13605552 14172450 15684178 17006940 18896600 21258675 22675920 23526267 28344900 31368356 34013880 37793200 39210445 42517350 47052534 56689800 62736712 68027760 70578801 78420890 85034700 94105068 113379600 117631335 125473424 141157602 156841780 170069400 188210136 196052225 235262670 282315204 313683560 340138800 352894005 376420272 392104450 470525340 564630408 588156675 627367120 705788010 784208900 941050680 1129260816 1176313350 1411576020 1568417800 1764470025 1882101360 2352626700 2823152040 3136835600 3528940050 4705253400 5646304080 7057880100 9410506800 14115760200 28231520400
- Sum of all divisors σ(n): 99152643408
- Sum of proper divisors (its aliquot sum) s(n): 70921123008
- 28231520400 is an abundant number, because the sum of its proper divisors (70921123008) is greater than itself. Its abundance is 42689602608
Bases of 28231520400
- Binary: 110100100101011101011010000100100002
- Hexadecimal: 0x692BAD090
- Base-36: CYWBGK0
Squares and roots of 28231520400
- 28231520400 squared (282315204002) is 797018744095616160000
- 28231520400 cubed (282315204003) is 22501050933117767171609664000000
-
The
square root of 28231520400 is 168022.3806521025 -
The
cube root of 28231520400 is 3044.9354415361
Scales and comparisons
How big is 28231520400?- 28,231,520,400 seconds is equal to 897 years, 35 weeks, 17 hours.
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To count from 1 to 28,231,520,400 would take you about one thousand, seven hundred ninety-five years!
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 28231520400 cubic inches would be around 253.7 feet tall.
Recreational maths with 28231520400
- 28231520400 backwards is 00402513282
- The number of decimal digits it has is: 11
- The sum of 28231520400's digits is 27
- More coming soon!
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