131220450
131,220,450 is an even composite number composed of five prime numbers multiplied together.
131220450 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred eight divisors.
Prime factorization of 131220450:
2 × 32 × 52 × 172 × 1009
(2 × 3 × 3 × 5 × 5 × 17 × 17 × 1009)See below for interesting mathematical facts about the number 131220450 from the Numbermatics database.
Names of 131220450
- Cardinal: 131220450 can be written as One hundred thirty-one million, two hundred twenty thousand, four hundred fifty.
Scientific notation
- Scientific notation: 1.3122045 × 108
Factors of 131220450
Divisors of 131220450
- Number of divisors d(n): 108
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Complete list of divisors:
1 2 3 5 6 9 10 15 17 18 25 30 34 45 50 51 75 85 90 102 150 153 170 225 255 289 306 425 450 510 578 765 850 867 1009 1275 1445 1530 1734 2018 2550 2601 2890 3027 3825 4335 5045 5202 6054 7225 7650 8670 9081 10090 13005 14450 15135 17153 18162 21675 25225 26010 30270 34306 43350 45405 50450 51459 65025 75675 85765 90810 102918 130050 151350 154377 171530 227025 257295 291601 308754 428825 454050 514590 583202 771885 857650 874803 1286475 1458005 1543770 1749606 2572950 2624409 2916010 3859425 4374015 5248818 7290025 7718850 8748030 13122045 14580050 21870075 26244090 43740150 65610225 131220450
- Sum of all divisors σ(n): 374874630
- Sum of proper divisors (its aliquot sum) s(n): 243654180
- 131220450 is an abundant number, because the sum of its proper divisors (243654180) is greater than itself. Its abundance is 112433730
Bases of 131220450
- Binary: 1111101001001000011111000102
- Hexadecimal: 0x7D243E2
- Base-36: 264ICI
Squares and roots of 131220450
- 131220450 squared (1312204502) is 17218806498202500
- 131220450 cubed (1312204503) is 2259459537157056241125000
-
The
square root of 131220450 is 11455.1494970603 -
The
cube root of 131220450 is 508.1600364815
Scales and comparisons
How big is 131220450?- 131,220,450 seconds is equal to 4 years, 8 weeks, 6 days, 18 hours, 7 minutes, 30 seconds.
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To count from 1 to 131,220,450 would take you about six 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 131220450 cubic inches would be around 42.3 feet tall.
Recreational maths with 131220450
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