421020740
421,020,740 is an even composite number composed of six prime numbers multiplied together.
421020740 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 421020740:
22 × 5 × 72 × 43 × 97 × 103
(2 × 2 × 5 × 7 × 7 × 43 × 97 × 103)See below for interesting mathematical facts about the number 421020740 from the Numbermatics database.
Names of 421020740
- Cardinal: 421020740 can be written as Four hundred twenty-one million, twenty thousand, seven hundred forty.
Scientific notation
- Scientific notation: 4.2102074 × 108
Factors of 421020740
Divisors of 421020740
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 14 20 28 35 43 49 70 86 97 98 103 140 172 194 196 206 215 245 301 388 412 430 485 490 515 602 679 721 860 970 980 1030 1204 1358 1442 1505 1940 2060 2107 2716 2884 3010 3395 3605 4171 4214 4429 4753 5047 6020 6790 7210 8342 8428 8858 9506 9991 10094 10535 13580 14420 16684 17716 19012 19982 20188 20855 21070 22145 23765 25235 29197 31003 39964 41710 42140 44290 47530 49955 50470 58394 62006 69937 83420 88580 95060 99910 100940 116788 124012 139874 145985 155015 199820 204379 217021 279748 291970 310030 349685 408758 429613 434042 489559 583940 620060 699370 817516 859226 868084 979118 1021895 1085105 1398740 1718452 1958236 2043790 2148065 2170210 2447795 3007291 4087580 4296130 4340420 4895590 6014582 8592260 9791180 12029164 15036455 21051037 30072910 42102074 60145820 84204148 105255185 210510370 421020740
- Sum of all divisors σ(n): 1073584512
- Sum of proper divisors (its aliquot sum) s(n): 652563772
- 421020740 is an abundant number, because the sum of its proper divisors (652563772) is greater than itself. Its abundance is 231543032
Bases of 421020740
- Binary: 110010001100001000100010001002
- Hexadecimal: 0x19184444
- Base-36: 6YNXOK
Squares and roots of 421020740
- 421020740 squared (4210207402) is 177258463510147600
- 421020740 cubed (4210207403) is 74629489478305340061224000
-
The
square root of 421020740 is 20518.7899253343 -
The
cube root of 421020740 is 749.4934297777
Scales and comparisons
How big is 421020740?- 421,020,740 seconds is equal to 13 years, 20 weeks, 22 hours, 12 minutes, 20 seconds.
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To count from 1 to 421,020,740 would take you about twenty 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 421020740 cubic inches would be around 62.5 feet tall.
Recreational maths with 421020740
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