20397691 (number)

20397691 is an odd 8-digits prime number following 20397690 and preceding 20397692. In scientific notation, it is written as 2.0397691 × 10^7. The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors. There are 20397690 positive integers (up to 20397691) that are relatively prime to 20397691.

Interesting facts

Basic properties

Name

Name twenty million three hundred ninety-seven thousand six hundred ninety-one

Notation

Scientific notation 2.0397691 × 10^7
Engineering notation 2.0397691 × 10^6

Prime Factorization of 20397691

Prime Factorization 20397691

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20397691
Product of the distinct prime numbers

The prime factorization of 20397691 is 20397691. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20397691)

Multiplication

n×y
n×2 40795382
n×3 61193073
n×4 81590764
n×5 101988455

Division

n÷y
n÷2 10198845.5
n÷3 6799230.3333333
n÷3 5099422.75
n÷5 4079538.2

Exponentiation

ny
n2 416065798131481
n3 8.4867815859543E+21
n4 1.7311074837479E+29
n5 3.5310595541276E+36

Nth Root

y√n
2√n 4516.3802984248
3√n 273.22913223566
4√n 67.204019957327
5√n 28.967845912765

Divisors of 20397691

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20397692
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10198846
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4516.380409133
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999019497
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20397691 can be divided by 2 positive divisors. The sum of these divisors (counting 20397691) is 20397692, the average is 10198846.

Base conversion 20397691

Base System Value
2 Binary 1001101110011111001111011
3 Ternary 1102101022101001
4 Quaternary 1031303321323
5 Quinary 20210211231
6 Senary 2005105431
8 Octal 115637173
10 Decimal 20397691
12 Duodecimal 69b8277
16 Hexadecimal 1373e7b
20 Vigesimal 679e4b
36 Base36 c56yj

Cryptographic Hash Functions

md5 70accca451388db139a495ccc4e5fc4a
sha1 a97eb1c007d9eeddc255cb62a2dc96b34b8a77ce
sha256 243389eca668d08e5f217e2786764f2cab4c67d0ef6d85b761bc46311e74705e
sha512 827d600eee327ff6c2c3f10904102c443c0e1233460c3583d43f751f4fd3ecb39eae5e16b5220f2ee318b8bac73224c022094f68ac569e7e043e90ca29c70b92
ripemd-160 a4eee5ae15a12e3f1371149397b73d53a82e3da7

20397691 as geometric shapes

Circle

Radius = n
Diameter 40795382
Circumference 128162472.39159
Area 1.3071092548198E+15

Sphere

Radius = n
Volume 3.5549347577407E+22
Surface area 5.2284370192793E+15
Circumference 128162472.39159

Square

Length = n
Perimeter 81590764
Area 416065798131481
Diagonal 28846691.253296

Cube

Length = n
Surface area 2496394788788886
Volume 8.4867815859543E+21
Space diagonal 35329837.16909

Equilateral Triangle

Length = n
Perimeter 61193073
Area 1.8016177541386E+14
Altitude 17664918.584545

Triangular Pyramid

Length = n
Surface area 1.8016177541386E+14
Volume 1.0001768016462E+21
Height 9615563.7510985