20421917 (number)

20421917 is an odd 8-digits composite number following 20421916 and preceding 20421918. In scientific notation, it is written as 2.0421917 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20412000 positive integers (up to 20421917) that are relatively prime to 20421917.

Interesting facts

Basic properties

Name

Name twenty million four hundred twenty-one thousand nine hundred seventeen

Notation

Scientific notation 2.0421917 × 10^7
Engineering notation 2.0421917 × 10^6

Prime Factorization of 20421917

Prime Factorization 7001 × 2917

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20421917
Product of the distinct prime numbers

The prime factorization of 20421917 is 7001 × 2917. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20421917)

Multiplication

n×y
n×2 40843834
n×3 61265751
n×4 81687668
n×5 102109585

Division

n÷y
n÷2 10210958.5
n÷3 6807305.6666667
n÷3 5105479.25
n÷5 4084383.4

Exponentiation

ny
n2 417054693954889
n3 8.5170563444071E+21
n4 1.7393461774981E+29
n5 3.5520783271133E+36

Nth Root

y√n
2√n 4519.0615176162
3√n 273.33725934608
4√n 67.223965351772
5√n 28.974723572377

Divisors of 20421917

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 -20421916
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 20421917 can be divided by 4 positive divisors. The sum of these divisors (counting 20421917) is 1, the average is 0.25.

Base conversion 20421917

Base System Value
2 Binary 1001101111001110100011101
3 Ternary 1102102112121022
4 Quaternary 1031321310131
5 Quinary 20212000132
6 Senary 2005413525
8 Octal 115716435
10 Decimal 20421917
12 Duodecimal 6a0a2a5
16 Hexadecimal 1379d1d
20 Vigesimal 67cefh
36 Base36 c5pnh

Cryptographic Hash Functions

md5 f2e01ca67dbb7b4c2cc236f4e8f713c8
sha1 7299e1b4b1821f1c16cf96bea18c56c774b1669f
sha256 9b7fead9419c34c4e473054f4328822ab85f1958d2542a009eedcba0a5f49e8e
sha512 daf6f67e0e3cc93a4dd3571951494cf7eee36d658c12c589f6a286b8743d96b86fdbdaa0a7d46a0455dcfb9950197ba99dd4cc7e237a28051edc3d1e426ec015
ripemd-160 48e001a2f59d740f024db64373b7ac9a39a1fae0

20421917 as geometric shapes

Circle

Radius = n
Diameter 40843834
Circumference 128314688.83884
Area 1.3102159626738E+15

Sphere

Radius = n
Volume 3.5676162189066E+22
Surface area 5.2408638506953E+15
Circumference 128314688.83884

Square

Length = n
Perimeter 81687668
Area 417054693954889
Diagonal 28880951.991058

Cube

Length = n
Surface area 2502328163729334
Volume 8.5170563444071E+21
Space diagonal 35371797.831955

Equilateral Triangle

Length = n
Perimeter 61265751
Area 1.8058997986624E+14
Altitude 17685898.915977

Triangular Pyramid

Length = n
Surface area 1.8058997986624E+14
Volume 1.0037447161464E+21
Height 9626983.9970192