20117945 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million one hundred seventeen thousand nine hundred forty-five

Notation

Scientific notation 2.0117945 × 10^7
Engineering notation 2.0117945 × 10^6

Prime Factorization of 20117945

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.

Most popular turbo-numbers

Basic calculations (n = 20117945)

Multiplication

n×y
n×2 40235890
n×3 60353835
n×4 80471780
n×5 100589725

Division

n÷y
n÷2 10058972.5
n÷3 6705981.6666667
n÷3 5029486.25
n÷5 4023589

Exponentiation

ny
n2 404731711023025
n3 8.1423703021171E+21
n4 1.6380775790763E+29
n5 3.2954754641589E+36

Nth Root

y√n
2√n 4485.3032227487
3√n 271.97430282753
4√n 66.972406427937
5√n 28.887949971382

Divisors of 20117945

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 conversion 20117945

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

Cryptographic Hash Functions

md5 9d062abf5708c1bd46fa006dcd1e7234
sha1 7dde97033b787d3813ea239590364373ec82065d
sha256 7923176f42170fbaafda2a8099da50a0a79d4676f6bf80b87b6906253d99a5f2
sha512 f2c3b94414454356744a7e41a36808e162e17efb6e3626cd1e9c345b215c8c14d57c4cd6df25ffa04dfa3a6ec1b57cc847bddb3226b99c97f35bf75e839f48a8
ripemd-160 8498e1ca7031e1418013ee990e1d7d2ee99ecf3c

20117945 as geometric shapes

Circle

Radius = n
Diameter 40235890
Circumference 126404776.43465
Area 1.2715021700248E+15

Sphere

Radius = n
Volume 3.4106680965252E+22
Surface area 5.086008680099E+15
Circumference 126404776.43465

Square

Length = n
Perimeter 80471780
Area 404731711023025
Diagonal 28451070.666076

Cube

Length = n
Surface area 2428390266138150
Volume 8.1423703021171E+21
Space diagonal 34845302.883876

Equilateral Triangle

Length = n
Perimeter 60353835
Area 1.7525397173154E+14
Altitude 17422651.441938

Triangular Pyramid

Length = n
Surface area 1.7525397173154E+14
Volume 9.5958754259316E+20
Height 9483690.2220253