212991520
212,991,520 is an even composite number composed of five prime numbers multiplied together.
212991520 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 212991520:
25 × 5 × 7 × 19 × 10009
(2 × 2 × 2 × 2 × 2 × 5 × 7 × 19 × 10009)See below for interesting mathematical facts about the number 212991520 from the Numbermatics database.
Names of 212991520
- Cardinal: 212991520 can be written as Two hundred twelve million, nine hundred ninety-one thousand, five hundred twenty.
Scientific notation
- Scientific notation: 2.1299152 × 108
Factors of 212991520
Divisors of 212991520
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 70 76 80 95 112 133 140 152 160 190 224 266 280 304 380 532 560 608 665 760 1064 1120 1330 1520 2128 2660 3040 4256 5320 10009 10640 20018 21280 40036 50045 70063 80072 100090 140126 160144 190171 200180 280252 320288 350315 380342 400360 560504 700630 760684 800720 950855 1121008 1331197 1401260 1521368 1601440 1901710 2242016 2662394 2802520 3042736 3803420 5324788 5605040 6085472 6655985 7606840 10649576 11210080 13311970 15213680 21299152 26623940 30427360 42598304 53247880 106495760 212991520
- Sum of all divisors σ(n): 605404800
- Sum of proper divisors (its aliquot sum) s(n): 392413280
- 212991520 is an abundant number, because the sum of its proper divisors (392413280) is greater than itself. Its abundance is 179421760
Bases of 212991520
- Binary: 11001011000111111110001000002
- Hexadecimal: 0xCB1FE20
- Base-36: 3IT5B4
Squares and roots of 212991520
- 212991520 squared (2129915202) is 45365387591910400
- 212991520 cubed (2129915203) is 9662442858590135799808000
-
The
square root of 212991520 is 14594.2289964217 -
The
cube root of 212991520 is 597.2013364711
Scales and comparisons
How big is 212991520?- 212,991,520 seconds is equal to 6 years, 40 weeks, 1 day, 4 hours, 18 minutes, 40 seconds.
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To count from 1 to 212,991,520 would take you about ten 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 212991520 cubic inches would be around 49.8 feet tall.
Recreational maths with 212991520
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