21496979 is an odd 8-digits composite number following 21496978
and preceding 21496980 . In scientific notation, it is written as 2.1496979 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 18425976 positive integers (up to 21496979) that are relatively prime to 21496979.
21496979 has 4 divisors, whose sum is 24567984
The reverse of 21496979 is 97969412
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million four hundred ninety-six thousand nine hundred seventy-nine
Scientific notation
2.1496979 × 10^7
Engineering notation
2.1496979 × 10^6
Prime Factorization
7 × 3070997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21496979
Product of the distinct prime numbers
The prime factorization of 21496979 is 7 × 3070997.
Since it has a total of 2 prime factors.
3 , 4 , 96 , 72 , 307 , 173 , 2476 , 4877 , 22451 , 6702 , 296287 , 986002 , 6933331 , 1834227 , 75911747 , 60606399 , 956269986 , 966429188 , 1496860058 , 3599700118
n×2
42993958
n×3
64490937
n×4
85987916
n×5
107484895
n÷2
10748489.5
n÷3
7165659.6666667
n÷3
5374244.75
n÷5
4299395.8
n2
462120106126441
n3
9.9341862168779E+21
n4
2.1355499248631E+29
n5
4.5907871888234E+36
2 √n
4636.4834734958
3 √n
278.05186393264
4 √n
68.091728377945
5 √n
29.273556334162
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21496978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21496979 can be divided by 4 positive divisors.
The sum of these divisors (counting 21496979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000010010010011
3
Ternary
1111110011022102
4
Quaternary
1102000102103
5
Quinary
21000400404
6
Senary
2044431015
8
Octal
122002223
10
Decimal
21496979
12
Duodecimal
724846b
16
Hexadecimal
1480493
20
Vigesimal
6e728j
36
Base36
csr6b
md5
a85badb3aaf1abf35dbfd27b83f37b4c
sha1
121c3fb7c938416e1a0013ec3d6aaf177be97205
sha256
25e5c16567cc3390a0ab9dfc875a4127cac9a61e2e2a584f8d13887741d38f76
sha512
96f879ed8bab6d18a76a5a6a79d9dfc09b5988d051fdd6d22b6be819899bbdd92f5c2f0eeae62cd1acbaaebe35e8537853be4b7f2a65dc5cc5631e342edc2a9f
ripemd-160
1e84558ab1d018292ba9c77f541e5cb2fb7ddae3
Diameter
42993958
Circumference
135069502.60155
Area
1.451793130483E+15
Volume
4.1612221917782E+22
Surface area
5.8071725219318E+15
Circumference
135069502.60155
Perimeter
85987916
Area
462120106126441
Diagonal
30401319.25185
Surface area
2772720636758646
Volume
9.9341862168779E+21
Space diagonal
37233859.837241
Perimeter
64490937
Area
2.0010387575253E+14
Altitude
18616929.918621
Surface area
2.0010387575253E+14
Volume
1.170755073254E+21
Height
10133773.08395