20551421 (number)

20551421 is an odd 8-digits composite number following 20551420 and preceding 20551422. In scientific notation, it is written as 2.0551421 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 18556240 positive integers (up to 20551421) that are relatively prime to 20551421.

Interesting facts

Basic properties

Name

Name twenty million five hundred fifty-one thousand four hundred twenty-one

Notation

Scientific notation 2.0551421 × 10^7
Engineering notation 2.0551421 × 10^6

Prime Factorization of 20551421

Prime Factorization 11 × 149 × 12539

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20551421
Product of the distinct prime numbers

The prime factorization of 20551421 is 11 × 149 × 12539. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20551421)

Multiplication

n×y
n×2 41102842
n×3 61654263
n×4 82205684
n×5 102757105

Division

n÷y
n÷2 10275710.5
n÷3 6850473.6666667
n÷3 5137855.25
n÷5 4110284.2

Exponentiation

ny
n2 422360905119241
n3 8.6801167750466E+21
n4 1.7838873417314E+29
n5 3.6661419776494E+36

Nth Root

y√n
2√n 4533.3675121261
3√n 273.9138246413
4√n 67.330286737293
5√n 29.011378902832

Divisors of 20551421

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 -20551420
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 20551421 can be divided by 8 positive divisors. The sum of these divisors (counting 20551421) is 1, the average is 0.125.

Base conversion 20551421

Base System Value
2 Binary 1001110011001011011111101
3 Ternary 1102200010020202
4 Quaternary 1032121123331
5 Quinary 20230121141
6 Senary 2012253245
8 Octal 116313375
10 Decimal 20551421
12 Duodecimal 6a71225
16 Hexadecimal 13996fd
20 Vigesimal 688ib1
36 Base36 c8hkt

Cryptographic Hash Functions

md5 af501dd76b2e6bfc9b6fdd75239dc685
sha1 2c98b55afe18170f02e12714e2f9522a39bbbac3
sha256 f6ed673428ce205f31edc4d64c25f9f20f04126365906dbe842be8525ade19f1
sha512 7f1841a28c19f68e58d1717272355e5a2335414d0e43182669593e97661071a4cfc6eebeaf926300890083208b10a345c34b91620f2063f8ab66199650242f58
ripemd-160 fbc2d3be3e55cbd17bf05556f6af7d0184fda778

20551421 as geometric shapes

Circle

Radius = n
Diameter 41102842
Circumference 129128386.46886
Area 1.3268859166861E+15

Sphere

Radius = n
Volume 3.6359188123717E+22
Surface area 5.3075436667446E+15
Circumference 129128386.46886

Square

Length = n
Perimeter 82205684
Area 422360905119241
Diagonal 29064098.304239

Cube

Length = n
Surface area 2534165430715446
Volume 8.6801167750466E+21
Space diagonal 35596105.339738

Equilateral Triangle

Length = n
Perimeter 61654263
Area 1.8288763669933E+14
Altitude 17798052.669869

Triangular Pyramid

Length = n
Surface area 1.8288763669933E+14
Volume 1.0229615721878E+21
Height 9688032.7680797