21438046 is an even 8-digits composite number following 21438045
and preceding 21438047 . In scientific notation, it is written as 2.1438046 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 9171000 positive integers (up to 21438046) that are relatively prime to 21438046.
21438046 has 16 divisors, whose sum is 36817920
The reverse of 21438046 is 64083412
Previous prime number is 751
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred thirty-eight thousand forty-six
Scientific notation
2.1438046 × 10^7
Engineering notation
2.1438046 × 10^6
Prime Factorization
2 × 7 × 751 × 2039
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21438046
Product of the distinct prime numbers
The prime factorization of 21438046 is 2 × 7 × 751 × 2039.
Since it has a total of 4 prime factors.
10 , 7 , 14 , 92 , 341 , 118 , 7913 , 8876 , 33732 , 71468 , 719731 , 482494 , 1927605 , 5223631 , 6463249 , 52208700 , 151843500 , 329317198 , 3789243037 , 2910733152
n×2
42876092
n×3
64314138
n×4
85752184
n×5
107190230
n÷2
10719023
n÷3
7146015.3333333
n÷3
5359511.5
n÷5
4287609.2
n2
459589816298116
n3
9.8527076229306E+21
n4
2.1122279924494E+29
n5
4.5282040864617E+36
2 √n
4630.1237564454
3 √n
277.79754249883
4 √n
68.045012722795
5 √n
29.257488277224
1 , 2 , 7 , 14 , 751 , 1502 , 2039 , 4078 , 5257 , 10514 , 14273 , 28546 , 1531289 , 3062578 , 10719023 , 21438046
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21438045
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21438046 can be divided by 16 positive divisors.
The sum of these divisors (counting 21438046) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110001111001011110
3
Ternary
1111100011110201
4
Quaternary
1101301321132
5
Quinary
20442004141
6
Senary
2043254114
8
Octal
121617136
10
Decimal
21438046
12
Duodecimal
721a33a
16
Hexadecimal
1471e5e
20
Vigesimal
6djf26
36
Base36
crhpa
md5
c6fb4f1d89d6d32df1879900e43400a5
sha1
d5707d20222e6591badcb48b68289603e253204f
sha256
4694d6cc28e378331130e6a8ecf038a75941d874944d75a14a14f7031eb5924b
sha512
bac780422ef406ecd48cd4bc55a4e77a18869e724ce87a2ba8b5d9f89792631f17cad200e62a1d42aded3f6272a2993b1de9dc419f0bcd67ae6356c4b8d72153
ripemd-160
a40e0a554d586e87af1334b8102d4e92ad57d7aa
Diameter
42876092
Circumference
134699215.64184
Area
1.4438439905468E+15
Volume
4.1270925181556E+22
Surface area
5.7753759621874E+15
Circumference
134699215.64184
Perimeter
85752184
Area
459589816298116
Diagonal
30317975.403978
Surface area
2757538897788696
Volume
9.8527076229306E+21
Space diagonal
37131784.886999
Perimeter
64314138
Area
1.990082281174E+14
Altitude
18565892.443499
Surface area
1.990082281174E+14
Volume
1.1611527288704E+21
Height
10105991.801326