20157946 (number)

20157946 is an even 8-digits composite number following 20157945 and preceding 20157947. In scientific notation, it is written as 2.0157946 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10078972 positive integers (up to 20157946) that are relatively prime to 20157946.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-seven thousand nine hundred forty-six

Notation

Scientific notation 2.0157946 × 10^7
Engineering notation 2.0157946 × 10^6

Prime Factorization of 20157946

Prime Factorization 2 × 10078973

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157946
Product of the distinct prime numbers

The prime factorization of 20157946 is 2 × 10078973. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157946)

Multiplication

n×y
n×2 40315892
n×3 60473838
n×4 80631784
n×5 100789730

Division

n÷y
n÷2 10078973
n÷3 6719315.3333333
n÷3 5039486.5
n÷5 4031589.2

Exponentiation

ny
n2 406342786938916
n3 8.1910359566042E+21
n4 1.6511446049729E+29
n5 3.3283683785234E+36

Nth Root

y√n
2√n 4489.7601272228
3√n 272.15444119907
4√n 67.005672351099
5√n 28.899428568633

Divisors of 20157946

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 -20157945
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 20157946 can be divided by 4 positive divisors. The sum of these divisors (counting 20157946) is 1, the average is 0.25.

Base conversion 20157946

Base System Value
2 Binary 1001100111001010111111010
3 Ternary 1101221010111121
4 Quaternary 1030321113322
5 Quinary 20130023241
6 Senary 2000015454
8 Octal 114712772
10 Decimal 20157946
12 Duodecimal 690158a
16 Hexadecimal 13395fa
20 Vigesimal 65jeh6
36 Base36 c01yy

Cryptographic Hash Functions

md5 8303b7b2506eaba569d5387819a4cdac
sha1 e3b7b981a535cb3920d868e5f47aa487d2782316
sha256 4a482685329104efff69c732342521afa285d71f5ff7bede743ea4da8a9fd420
sha512 679fcaed45a70188c44841fb5529914d7b592b4e123b8e9a09160ca2319165a97452858caf74cc5c17b6ac31f3e044e2d25d845164d5687c30e7cb0c271ee401
ripemd-160 7846f7a3b187599b5b17f0c3a14d2ede7fcd7b42

20157946 as geometric shapes

Circle

Radius = n
Diameter 40315892
Circumference 126656110.13012
Area 1.2765635142865E+15

Sphere

Radius = n
Volume 3.4310531182077E+22
Surface area 5.106254057146E+15
Circumference 126656110.13012

Square

Length = n
Perimeter 80631784
Area 406342786938916
Diagonal 28507640.622784

Cube

Length = n
Surface area 2438056721633496
Volume 8.1910359566042E+21
Space diagonal 34914586.64823

Equilateral Triangle

Length = n
Perimeter 60473838
Area 1.7595158806683E+14
Altitude 17457293.324115

Triangular Pyramid

Length = n
Surface area 1.7595158806683E+14
Volume 9.6532284497628E+20
Height 9502546.8742615