21062945 is an odd 8-digits composite number following 21062944
and preceding 21062946 . In scientific notation, it is written as 2.1062945 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 16850352 positive integers (up to 21062945) that are relatively prime to 21062945.
21062945 has 4 divisors, whose sum is 25275540
The reverse of 21062945 is 54926012
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million sixty-two thousand nine hundred forty-five
Scientific notation
2.1062945 × 10^7
Engineering notation
2.1062945 × 10^6
Prime Factorization
5 × 4212589
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21062945
Product of the distinct prime numbers
The prime factorization of 21062945 is 5 × 4212589.
Since it has a total of 2 prime factors.
8 , 1 , 81 , 58 , 667 , 550 , 9504 , 1613 , 65084 , 67605 , 96904 , 990946 , 2029002 , 8176221 , 76425041 , 61927651 , 941331693 , 154632672 , 9792462360 , 2356654822
n×2
42125890
n×3
63188835
n×4
84251780
n×5
105314725
n÷2
10531472.5
n÷3
7020981.6666667
n÷3
5265736.25
n÷5
4212589
n2
443647652073025
n3
9.3445260949933E+21
n4
1.9682323918991E+29
n5
4.1456770617789E+36
2 √n
4589.4384188046
3 √n
276.16779424408
4 √n
67.745394078156
5 √n
29.154380579914
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
-21062944
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 21062945 can be divided by 4 positive divisors.
The sum of these divisors (counting 21062945) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000010110010100100001
3
Ternary
1110122002221002
4
Quaternary
1100112110201
5
Quinary
20343003240
6
Senary
2031241345
8
Octal
120262441
10
Decimal
21062945
12
Duodecimal
7079255
16
Hexadecimal
1416521
20
Vigesimal
6bch75
36
Base36
cjg9t
md5
3adf60f97e988e5c7cc1bb96e07748a8
sha1
d5bdeaceff146b3237098df69fea151a4cbd3abd
sha256
60bea59b042a0bfcb440413b6a4237834d992e9b18b995d3ea353e0e1542035c
sha512
89e57f485f342d5c8c4b0e2df98748fc6e1bf5624ee63aa9edbcd6e55a8228636ad722b4f77cfe0ad497652affe6e48e01c2c8fd5d06dde44a0ef9b5f883a531
ripemd-160
656fc74d60f17ad396ff5c2b1f329b66e8cad980
Diameter
42125890
Circumference
132342386.54993
Area
1.393760204535E+15
Volume
3.9142259375079E+22
Surface area
5.5750408181399E+15
Circumference
132342386.54993
Perimeter
84251780
Area
443647652073025
Diagonal
29787502.482519
Surface area
2661885912438150
Volume
9.3445260949933E+21
Space diagonal
36482090.897029
Perimeter
63188835
Area
1.9210506851228E+14
Altitude
18241045.448514
Surface area
1.9210506851228E+14
Volume
1.1012629614574E+21
Height
9929167.4941729