20128438 (number)

20128438 is an even 8-digits composite number following 20128437 and preceding 20128439. In scientific notation, it is written as 2.0128438 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors. There are 9123840 positive integers (up to 20128438) that are relatively prime to 20128438.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand four hundred thirty-eight

Notation

Scientific notation 2.0128438 × 10^7
Engineering notation 2.0128438 × 10^6

Prime Factorization of 20128438

Prime Factorization 2 × 11 × 433 × 2113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20128438
Product of the distinct prime numbers

The prime factorization of 20128438 is 2 × 11 × 433 × 2113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 29, 27, 894, 656, 7595, 3701, 13465, 83367, 871974, 597862, 4476915, 3659357, 25353885, 54054280, 620323970, 111944120, 6588258383, 1648845203

Basic calculations (n = 20128438)

Multiplication

n×y
n×2 40256876
n×3 60385314
n×4 80513752
n×5 100642190

Division

n÷y
n÷2 10064219
n÷3 6709479.3333333
n÷3 5032109.5
n÷5 4025687.6

Exponentiation

ny
n2 405154016319844
n3 8.155117497945E+21
n4 1.641497769401E+29
n5 3.3040786078526E+36

Nth Root

y√n
2√n 4486.4727793669
3√n 272.0215795307
4√n 66.981137489348
5√n 28.890962784457

Divisors of 20128438

1, 2, 11, 22, 433, 866, 2113, 4226, 4763, 9526, 23243, 46486, 914929, 1829858, 10064219, 20128438

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128437
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128438 can be divided by 16 positive divisors. The sum of these divisors (counting 20128438) is 1, the average is 0.0625.

Base conversion 20128438

Base System Value
2 Binary 1001100110010001010110110
3 Ternary 1101212122000201
4 Quaternary 1030302022312
5 Quinary 20123102223
6 Senary 1555231114
8 Octal 114621266
10 Decimal 20128438
12 Duodecimal 68a849a
16 Hexadecimal 13322b6
20 Vigesimal 65g11i
36 Base36 bzf7a

Cryptographic Hash Functions

md5 72511b82ad3931c340844abaa0a0a9d1
sha1 b3d5c83bef3631ff9a350697b3005b50efb9d9a5
sha256 b0654036cfad83e57ef3a2adaedcb2b2f8270061f249a8ffe1854faa185374ce
sha512 0abbcb4546fecb20f43b2e6a431f32bfc35f138839dba2c1c393dd76805b2f8eaba207219fac0a5ea2dd03f55dd0e523fccb9a724bf99f749ab44f6d2ff65ba9
ripemd-160 d6d90f786a25762b43786908631feba3d6cb855d

20128438 as geometric shapes

Circle

Radius = n
Diameter 40256876
Circumference 126470705.89808
Area 1.2728288812428E+15

Sphere

Radius = n
Volume 3.4160076294274E+22
Surface area 5.0913155249713E+15
Circumference 126470705.89808

Square

Length = n
Perimeter 80513752
Area 405154016319844
Diagonal 28465910.008986

Cube

Length = n
Surface area 2430924097919064
Volume 8.155117497945E+21
Space diagonal 34863477.293

Equilateral Triangle

Length = n
Perimeter 60385314
Area 1.7543683528914E+14
Altitude 17431738.6465

Triangular Pyramid

Length = n
Surface area 1.7543683528914E+14
Volume 9.6108981402833E+20
Height 9488636.669662