142161800
142,161,800 is an even composite number composed of five prime numbers multiplied together.
142161800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 142161800:
23 × 52 × 11 × 192 × 179
(2 × 2 × 2 × 5 × 5 × 11 × 19 × 19 × 179)See below for interesting mathematical facts about the number 142161800 from the Numbermatics database.
Names of 142161800
- Cardinal: 142161800 can be written as One hundred forty-two million, one hundred sixty-one thousand, eight hundred.
Scientific notation
- Scientific notation: 1.421618 × 108
Factors of 142161800
Divisors of 142161800
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 8 10 11 19 20 22 25 38 40 44 50 55 76 88 95 100 110 152 179 190 200 209 220 275 358 361 380 418 440 475 550 716 722 760 836 895 950 1045 1100 1432 1444 1672 1790 1805 1900 1969 2090 2200 2888 3401 3580 3610 3800 3938 3971 4180 4475 5225 6802 7160 7220 7876 7942 8360 8950 9025 9845 10450 13604 14440 15752 15884 17005 17900 18050 19690 19855 20900 27208 31768 34010 35800 36100 37411 39380 39710 41800 49225 64619 68020 72200 74822 78760 79420 85025 98450 99275 129238 136040 149644 158840 170050 187055 196900 198550 258476 299288 323095 340100 374110 393800 397100 516952 646190 680200 710809 748220 794200 935275 1292380 1421618 1496440 1615475 1870550 2584760 2843236 3230950 3554045 3741100 5686472 6461900 7108090 7482200 12923800 14216180 17770225 28432360 35540450 71080900 142161800
- Sum of all divisors σ(n): 382676400
- Sum of proper divisors (its aliquot sum) s(n): 240514600
- 142161800 is an abundant number, because the sum of its proper divisors (240514600) is greater than itself. Its abundance is 98352800
Bases of 142161800
- Binary: 10000111100100110111100010002
- Hexadecimal: 0x8793788
- Base-36: 2CN0QW
Squares and roots of 142161800
- 142161800 squared (1421618002) is 20209977379240000
- 142161800 cubed (1421618003) is 2873086762192041032000000
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The
square root of 142161800 is 11923.1623322003 -
The
cube root of 142161800 is 521.9084213719
Scales and comparisons
How big is 142161800?- 142,161,800 seconds is equal to 4 years, 27 weeks, 9 hours, 23 minutes, 20 seconds.
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To count from 1 to 142,161,800 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 142161800 cubic inches would be around 43.5 feet tall.
Recreational maths with 142161800
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