28438247 is an odd 8-digits prime number following 28438246
and preceding 28438248 . In scientific notation, it is written as 2.8438247 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 28438246 positive integers (up to 28438247) that are relatively prime to 28438247.
28438247 has 2 divisors, whose sum is 28438248
The reverse of 28438247 is 74283482
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million four hundred thirty-eight thousand two hundred forty-seven
Scientific notation
2.8438247 × 10^7
Engineering notation
2.8438247 × 10^6
Prime Factorization
28438247
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28438247 Product of the distinct prime numbers
The prime factorization of 28438247 is 28438247.
Since it has a total of 1 prime factors.
1 , 6 , 98 , 79 , 525 , 185 , 4145 , 3382 , 95142 , 83292 , 821543 , 729234 , 8339170 , 662223 , 75882447 , 98292280 , 10511047 , 618499793 , 1691072709 , 9798099929
n×2
56876494
n×3
85314741
n×4
113752988
n×5
142191235
n÷2
14219123.5
n÷3
9479415.6666667
n÷3
7109561.75
n÷5
5687649.4
n2
808733892433009
n3
2.2998974190281E+22
n4
6.5405050876985E+29
n5
1.8600049918873E+37
2 √n5332.7522912657
3 √n305.23496004062
4 √n73.025696102576
5 √n30.958546640782
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28438248 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14219124 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5332.752385026 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999296722 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28438247 can be divided by 2 positive divisors.
The sum of these divisors (counting 28438247) is 28438248, the average is 14219124.
Base
System
Value
2
Binary
1101100011110111011100111
3
Ternary
1222111210221102
4
Quaternary
1230132323213
5
Quinary
24240010442
6
Senary
2453310315
8
Octal
154367347
10
Decimal
28438247
12
Duodecimal
963539b
16
Hexadecimal
1b1eee7
20
Vigesimal
8hefc7
36
Base36
gxj3b
md5
21923bf70d24eecb6a896cea1332ca82
sha1
d21dea7739f45d11363581111db6e8f2ee7f038d
sha256
6af27eec69e297c5a5ffa1fbf8cf7721860825f2b3a17542f82075a562043a8d
sha512
86a44fa6fbd5557e634e8e33c6440ea95b87884003184c50fc6ef7a141db1c75dbf7b97b5fc589d00212c5f9e652c32c801e0cf0ea0c1fb41ea8d32c2437398f
ripemd-160
e4ba1e417ded6ec8bbc4fc62c0ed9f67ff79f2d6
Diameter
56876494
Circumference
178682775.71234
Area
2.5407124551766E+15
Volume
9.6337877808385E+22
Surface area
1.0162849820706E+16
Circumference
178682775.71234
Perimeter
113752988
Area
808733892433009
Diagonal
40217754.597516
Surface area
4852403354598054
Volume
2.2998974190281E+22
Space diagonal
49256488.682193
Perimeter
85314741
Area
3.5019204787423E+14
Altitude
24628244.341097
Surface area
3.5019204787423E+14
Volume
2.7104551017137E+21
Height
13405918.199172