20117945 is an odd 8-digits composite number following 20117944
and preceding 20117946 . In scientific notation, it is written as 2.0117945 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 16021296 positive integers (up to 20117945) that are relatively prime to 20117945.
20117945 has 8 divisors, whose sum is 24251136
The reverse of 20117945 is 54971102
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred seventeen thousand nine hundred forty-five
Scientific notation
2.0117945 × 10^7
Engineering notation
2.0117945 × 10^6
Prime Factorization
5 × 223 × 18043
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20117945
Product of the distinct prime numbers
The prime factorization of 20117945 is 5 × 223 × 18043.
Since it has a total of 3 prime factors.
8 , 3 , 32 , 60 , 517 , 29 , 5548 , 1290 , 76052 , 32507 , 51660 , 535850 , 1464913 , 6616289 , 93448390 , 83898921 , 297741757 , 255154275 , 337370997 , 3642306718
n×2
40235890
n×3
60353835
n×4
80471780
n×5
100589725
n÷2
10058972.5
n÷3
6705981.6666667
n÷3
5029486.25
n÷5
4023589
n2
404731711023025
n3
8.1423703021171E+21
n4
1.6380775790763E+29
n5
3.2954754641589E+36
2 √n
4485.3032227487
3 √n
271.97430282753
4 √n
66.972406427937
5 √n
28.887949971382
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20117944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20117945 can be divided by 8 positive divisors.
The sum of these divisors (counting 20117945) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101111100110111001
3
Ternary
1101212002122002
4
Quaternary
1030233212321
5
Quinary
20122233240
6
Senary
1555110345
8
Octal
114574671
10
Decimal
20117945
12
Duodecimal
68a23b5
16
Hexadecimal
132f9b9
20
Vigesimal
65eeh5
36
Base36
bz73t
md5
9d062abf5708c1bd46fa006dcd1e7234
sha1
7dde97033b787d3813ea239590364373ec82065d
sha256
7923176f42170fbaafda2a8099da50a0a79d4676f6bf80b87b6906253d99a5f2
sha512
f2c3b94414454356744a7e41a36808e162e17efb6e3626cd1e9c345b215c8c14d57c4cd6df25ffa04dfa3a6ec1b57cc847bddb3226b99c97f35bf75e839f48a8
ripemd-160
8498e1ca7031e1418013ee990e1d7d2ee99ecf3c
Diameter
40235890
Circumference
126404776.43465
Area
1.2715021700248E+15
Volume
3.4106680965252E+22
Surface area
5.086008680099E+15
Circumference
126404776.43465
Perimeter
80471780
Area
404731711023025
Diagonal
28451070.666076
Surface area
2428390266138150
Volume
8.1423703021171E+21
Space diagonal
34845302.883876
Perimeter
60353835
Area
1.7525397173154E+14
Altitude
17422651.441938
Surface area
1.7525397173154E+14
Volume
9.5958754259316E+20
Height
9483690.2220253