20389949 is an odd 8-digits composite number following 20389948
and preceding 20389950 . In scientific notation, it is written as 2.0389949 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 20374464 positive integers (up to 20389949) that are relatively prime to 20389949.
20389949 has 4 divisors, whose sum is 20405436
The reverse of 20389949 is 94998302
Previous prime number is 1453
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty million three hundred eighty-nine thousand nine hundred forty-nine
Scientific notation
2.0389949 × 10^7
Engineering notation
2.0389949 × 10^6
Prime Factorization
1453 × 14033
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20389949
Product of the distinct prime numbers
The prime factorization of 20389949 is 1453 × 14033.
Since it has a total of 2 prime factors.
3 , 8 , 77 , 10 , 775 , 881 , 3576 , 5901 , 2745 , 96878 , 637836 , 467968 , 982846 , 9503827 , 44159943 , 89390698 , 280638314 , 221351194 , 856173835 , 9722695298
n×2
40779898
n×3
61169847
n×4
81559796
n×5
101949745
n÷2
10194974.5
n÷3
6796649.6666667
n÷3
5097487.25
n÷5
4077989.8
n2
415750020222601
n3
8.4771217090878E+21
n4
1.7284807931509E+29
n5
3.5243635219827E+36
2 √n
4515.5231147675
3 √n
273.19455957045
4 √n
67.197642181609
5 √n
28.965646613643
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
-20389948
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 20389949 can be divided by 4 positive divisors.
The sum of these divisors (counting 20389949) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110010000000111101
3
Ternary
1102100220202022
4
Quaternary
1031302000331
5
Quinary
20204434244
6
Senary
2005005525
8
Octal
115620075
10
Decimal
20389949
12
Duodecimal
69b38a5
16
Hexadecimal
137203d
20
Vigesimal
678eh9
36
Base36
c50zh
md5
af7ae2c378bd6eed624b3bc8360ea150
sha1
b6123cbef50c20dcbd9c6daeecedc5db769943a8
sha256
cae3cb13d9088145d132b426f63b159ebe7ed80a2d2f8ee0b1e6378c0027e7d8
sha512
54d0d16b81a596d754248a3c3e92314ee989177fc1c6b8d8f5175a48c739dfa70367ed6f3ba1773264821144868fc1aad36ab9054a70ced748b7d7f5c3d58a7a
ripemd-160
cd3de7af92dd5ab2642fe45803572ee23e1ae7ba
Diameter
40779898
Circumference
128113827.97094
Area
1.3061172092611E+15
Volume
3.5508884379809E+22
Surface area
5.2244688370445E+15
Circumference
128113827.97094
Perimeter
81559796
Area
415750020222601
Diagonal
28835742.411896
Surface area
2494500121335606
Volume
8.4771217090878E+21
Space diagonal
35316427.631738
Perimeter
61169847
Area
1.8002503956833E+14
Altitude
17658213.815869
Surface area
1.8002503956833E+14
Volume
9.9903837423995E+20
Height
9611914.1372986