1381438420
1,381,438,420 is an even composite number composed of six prime numbers multiplied together.
1381438420 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 1381438420:
22 × 5 × 23 × 41 × 89 × 823
(2 × 2 × 5 × 23 × 41 × 89 × 823)See below for interesting mathematical facts about the number 1381438420 from the Numbermatics database.
Names of 1381438420
- Cardinal: 1381438420 can be written as One billion, three hundred eighty-one million, four hundred thirty-eight thousand, four hundred twenty.
Scientific notation
- Scientific notation: 1.38143842 × 109
Factors of 1381438420
Divisors of 1381438420
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 4 5 10 20 23 41 46 82 89 92 115 164 178 205 230 356 410 445 460 820 823 890 943 1646 1780 1886 2047 3292 3649 3772 4094 4115 4715 7298 8188 8230 9430 10235 14596 16460 18245 18860 18929 20470 33743 36490 37858 40940 67486 72980 73247 75716 83927 94645 134972 146494 167854 168715 189290 292988 335708 337430 366235 378580 419635 674860 732470 776089 839270 1464940 1552178 1678540 1684681 3003127 3104356 3369362 3880445 6006254 6738724 7760890 8423405 12012508 15015635 15521780 16846810 30031270 33693620 60062540 69071921 138143842 276287684 345359605 690719210 1381438420
- Sum of all divisors σ(n): 3139637760
- Sum of proper divisors (its aliquot sum) s(n): 1758199340
- 1381438420 is an abundant number, because the sum of its proper divisors (1758199340) is greater than itself. Its abundance is 376760920
Bases of 1381438420
- Binary: 10100100101011100010011110101002
- Hexadecimal: 0x525713D4
- Base-36: MUH0PG
Squares and roots of 1381438420
- 1381438420 squared (13814384202) is 1908372108252096400
- 1381438420 cubed (13814384203) is 2636298549995845012503688000
-
The
square root of 1381438420 is 37167.7066820109 -
The
cube root of 1381438420 is 1113.7229697053
Scales and comparisons
How big is 1381438420?- 1,381,438,420 seconds is equal to 43 years, 48 weeks, 20 hours, 53 minutes, 40 seconds.
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To count from 1 to 1,381,438,420 would take you about eighty-seven 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 1381438420 cubic inches would be around 92.8 feet tall.
Recreational maths with 1381438420
- 1381438420 backwards is 0248341831
- The number of decimal digits it has is: 10
- The sum of 1381438420's digits is 34
- More coming soon!
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