20389946 is an even 8-digits composite number following 20389945
and preceding 20389947 . In scientific notation, it is written as 2.0389946 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 9973824 positive integers (up to 20389946) that are relatively prime to 20389946.
20389946 has 16 divisors, whose sum is 31256064
The reverse of 20389946 is 64998302
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million three hundred eighty-nine thousand nine hundred forty-six
Scientific notation
2.0389946 × 10^7
Engineering notation
2.0389946 × 10^6
Prime Factorization
2 × 1087 × 113 × 83
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20389946
Product of the distinct prime numbers
The prime factorization of 20389946 is 2 × 1087 × 113 × 83.
Since it has a total of 4 prime factors.
4 , 2 , 29 , 8 , 612 , 108 , 1900 , 3367 , 14358 , 14772 , 172512 , 136762 , 3922711 , 6701733 , 58060994 , 44607681 , 852506726 , 786882063 , 8074594666 , 7176178365
n×2
40779892
n×3
61169838
n×4
81559784
n×5
101949730
n÷2
10194973
n÷3
6796648.6666667
n÷3
5097486.5
n÷5
4077989.2
n2
415749897882916
n3
8.4771179673382E+21
n4
1.7284797758966E+29
n5
3.5243609292623E+36
2 √n
4515.5227825801
3 √n
273.19454617196
4 √n
67.197639709889
5 √n
28.965645761292
1 , 2 , 83 , 113 , 166 , 226 , 1087 , 2174 , 9379 , 18758 , 90221 , 122831 , 180442 , 245662 , 10194973 , 20389946
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
-20389945
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 20389946 can be divided by 16 positive divisors.
The sum of these divisors (counting 20389946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110010000000111010
3
Ternary
1102100220202012
4
Quaternary
1031302000322
5
Quinary
20204434241
6
Senary
2005005522
8
Octal
115620072
10
Decimal
20389946
12
Duodecimal
69b38a2
16
Hexadecimal
137203a
20
Vigesimal
678eh6
36
Base36
c50ze
md5
ccb480897dcf8be9aab7992fcc3a4386
sha1
cb80275f2c898fb4242fd91853ef1e9f187693d2
sha256
650268a7a40e37f1088d40582aa72d6f5f341cfc22143c9b62c11b64eef40bc6
sha512
f78e6c6d43fb3842e78b03f7cd4994f4ef0780a5ca716068e90d38939cdf6f5195f89238cec6fb670bb1ec4e44feb2cb8cb5caf97a63ee567caff6f5796e5dd8
ripemd-160
b5e476b9d19085d3d421714d21d6997259b4251c
Diameter
40779892
Circumference
128113809.12139
Area
1.3061168249197E+15
Volume
3.5508868706405E+22
Surface area
5.2244672996787E+15
Circumference
128113809.12139
Perimeter
81559784
Area
415749897882916
Diagonal
28835738.169255
Surface area
2494499387297496
Volume
8.4771179673382E+21
Space diagonal
35316422.435586
Perimeter
61169838
Area
1.800249865937E+14
Altitude
17658211.217793
Surface area
1.800249865937E+14
Volume
9.9903793327052E+20
Height
9611912.723085