20455428 (number)

20455428 is an even 8-digits composite number following 20455427 and preceding 20455429. In scientific notation, it is written as 2.0455428 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 5844384 positive integers (up to 20455428) that are relatively prime to 20455428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0455428 × 10^7
Engineering notation 2.0455428 × 10^6

Prime Factorization of 20455428

Prime Factorization 2 × 2 × 21 × 243517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10227714
Product of the distinct prime numbers

The prime factorization of 20455428 is 2 × 2 × 21 × 243517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 10, 16, 29, 481, 469, 6645, 1511, 6216, 94813, 878314, 129218, 1752628, 7441125, 89370602, 28949746, 193727809, 223794527, 757464577, 9966733149

Basic calculations (n = 20455428)

Multiplication

n×y
n×2 40910856
n×3 61366284
n×4 81821712
n×5 102277140

Division

n÷y
n÷2 10227714
n÷3 6818476
n÷3 5113857
n÷5 4091085.6

Exponentiation

ny
n2 418424534663184
n3 8.5590529422363E+21
n4 1.750790912081E+29
n5 3.5813177445128E+36

Nth Root

y√n
2√n 4522.7677366851
3√n 273.48668702961
4√n 67.251525905998
5√n 28.984226453702

Divisors of 20455428

1, 2, 4, 21, 42, 84, 243517, 487034, 974068, 5113857, 10227714, 20455428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20455427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20455428 can be divided by 12 positive divisors. The sum of these divisors (counting 20455428) is 1, the average is 0.083333333333333.

Base conversion 20455428

Base System Value
2 Binary 1001110000010000000000100
3 Ternary 1102111020120110
4 Quaternary 1032002000010
5 Quinary 20214033203
6 Senary 2010233020
8 Octal 116020004
10 Decimal 20455428
12 Duodecimal 6a25770
16 Hexadecimal 1382004
20 Vigesimal 67gib8
36 Base36 c6fic

Cryptographic Hash Functions

md5 645958e675a7c1a7328607ebf5e62d36
sha1 f324954d437af2565568444ad104442967ccb282
sha256 70683f6820dbab12d5446a779848e97265b5ee1a549e9784614abd22c4e9622f
sha512 65fef60a72a4ebdbf649a8fea2445e26771c421f16277d8b241c2ec67bec259dcff897fd9da81a65b401a7e4e99ddc45df120c822e1e96633bf8c6c95ce59637
ripemd-160 2265a080dc846202788a67257028a4352dab2635

20455428 as geometric shapes

Circle

Radius = n
Diameter 40910856
Circumference 128525244.66167
Area 1.3145194441796E+15

Sphere

Radius = n
Volume 3.5852077126687E+22
Surface area 5.2580777767183E+15
Circumference 128525244.66167

Square

Length = n
Perimeter 81821712
Area 418424534663184
Diagonal 28928343.701746

Cube

Length = n
Surface area 2510547207979104
Volume 8.5590529422363E+21
Space diagonal 35429840.586567

Equilateral Triangle

Length = n
Perimeter 61366284
Area 1.811831382925E+14
Altitude 17714920.293284

Triangular Pyramid

Length = n
Surface area 1.811831382925E+14
Volume 1.008694062665E+21
Height 9642781.2339155