21361242 is an even 8-digits composite number following 21361241
and preceding 21361243 . In scientific notation, it is written as 2.1361242 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 6057648 positive integers (up to 21361242) that are relatively prime to 21361242.
21361242 has 32 divisors, whose sum is 49190400
The reverse of 21361242 is 24216312
Previous prime number is 139
Is Prime? no Number parity even Number length 8 Sum of Digits 21 Digital Root 3
Name
twenty-one million three hundred sixty-one thousand two hundred forty-two
Scientific notation
2.1361242 × 10^7
Engineering notation
2.1361242 × 10^6
Prime Factorization
2 × 3 × 7 × 139 × 3659
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
21361242 Product of the distinct prime numbers
The prime factorization of 21361242 is 2 × 3 × 7 × 139 × 3659.
Since it has a total of 5 prime factors.
5 , 10 , 41 , 72 , 559 , 896 , 8445 , 8668 , 3512 , 99501 , 571464 , 74679 , 9789964 , 5137595 , 22511782 , 5894653 , 636508896 , 882374977 , 177392322 , 5947435941
n×2
42722484
n×3
64083726
n×4
85444968
n×5
106806210
n÷2
10680621
n÷3
7120414
n÷3
5340310.5
n÷5
4272248.4
n2
456302659782564
n3
9.747191540859E+21
n4
2.0821211732464E+29
n5
4.4476694255041E+36
2 √n4621.8223678545
3 √n277.46539946812
4 √n67.983986113308
5 √n29.236494579904
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 139 , 278 , 417 , 834 , 973 , 1946 , 2919 , 3659 , 5838 , 7318 , 10977 , 21954 , 25613 , 51226 , 76839 , 153678 , 508601 , 1017202 , 1525803 , 3051606 , 3560207 , 7120414 , 10680621 , 21361242
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-21361241 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361242 can be divided by 32 positive divisors.
The sum of these divisors (counting 21361242) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001011111001001011010
3
Ternary
1111012021010010
4
Quaternary
1101133021122
5
Quinary
20432024432
6
Senary
2041502350
8
Octal
121371132
10
Decimal
21361242
12
Duodecimal
71a19b6
16
Hexadecimal
145f25a
20
Vigesimal
6da322
36
Base36
cpufu
md5
2c00d90faba5995491d957fae38b15cb
sha1
140c2ff4df4ac5295915357a9e08f1ca912ca3ec
sha256
587e9085be0dd5ec3a6339c2633c9de8e1ec00cac891bbe5f73146553eb18ad6
sha512
84bb97358bd8eaea7df83045ec9db6512d00a2a6097a20dca761ebec96376770fcb789dbaa9a3706e94c99aca5ae3dad44d9f9ce80dfcce958c9148c8183ba5f
ripemd-160
0a943584a09fccfb6828fadd5872913fbede34c9
Diameter
42722484
Circumference
134216641.87751
Area
1.4335170837864E+15
Volume
4.0828940450527E+22
Surface area
5.7340683351455E+15
Circumference
134216641.87751
Perimeter
85444968
Area
456302659782564
Diagonal
30209358.145534
Surface area
2737815958695384
Volume
9.747191540859E+21
Space diagonal
36998756.456774
Perimeter
64083726
Area
1.9758484759305E+14
Altitude
18499378.228387
Surface area
1.9758484759305E+14
Volume
1.1487175393443E+21
Height
10069786.048511