20128542 (number)

20128542 is an even 8-digits composite number following 20128541 and preceding 20128543. In scientific notation, it is written as 2.0128542 × 10^7. The sum of its digits is 24. It has a total of 6 prime factors and 64 positive divisors. There are 5401440 positive integers (up to 20128542) that are relatively prime to 20128542.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-eight thousand five hundred forty-two

Notation

Scientific notation 2.0128542 × 10^7
Engineering notation 2.0128542 × 10^6

Prime Factorization of 20128542

Prime Factorization 2 × 3 × 7 × 23 × 67 × 311

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20128542
Product of the distinct prime numbers

The prime factorization of 20128542 is 2 × 3 × 7 × 23 × 67 × 311. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128542)

Multiplication

n×y
n×2 40257084
n×3 60385626
n×4 80514168
n×5 100642710

Division

n÷y
n÷2 10064271
n÷3 6709514
n÷3 5032135.5
n÷5 4025708.4

Exponentiation

ny
n2 405158203045764
n3 8.1552439066512E+21
n4 1.6415316949527E+29
n5 3.3041639666187E+36

Nth Root

y√n
2√n 4486.4843697488
3√n 272.02204802533
4√n 66.981224009037
5√n 28.890992639272

Divisors of 20128542

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128541
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128542 can be divided by 64 positive divisors. The sum of these divisors (counting 20128542) is 1, the average is 0.015625.

Base conversion 20128542

Base System Value
2 Binary 1001100110010001100011110
3 Ternary 1101212122011120
4 Quaternary 1030302030132
5 Quinary 20123103132
6 Senary 1555231410
8 Octal 114621436
10 Decimal 20128542
12 Duodecimal 68a8566
16 Hexadecimal 133231e
20 Vigesimal 65g172
36 Base36 bzfa6

Cryptographic Hash Functions

md5 4d022553c26e2db2161303b8ff710d22
sha1 810b034c6191814889f018192518150fff4ac70d
sha256 32435710cc7615f6336658c5938249e2e3696733c7d6fcb9db8efd1cb60bbe85
sha512 b3667d043c4019628171765042accc450a8241a8301e6cbf2d0e5aa01ef3f6adb8a9a17c687c96cb8967045e73e8682ebee1208606c2cd75597b1ab6be16169e
ripemd-160 860b41fd17c866af27ceecdc5b5a26a52d6f2ce8

20128542 as geometric shapes

Circle

Radius = n
Diameter 40257084
Circumference 126471359.34935
Area 1.2728420342302E+15

Sphere

Radius = n
Volume 3.4160605793824E+22
Surface area 5.0913681369209E+15
Circumference 126471359.34935

Square

Length = n
Perimeter 80514168
Area 405158203045764
Diagonal 28466057.087196

Cube

Length = n
Surface area 2430949218274584
Volume 8.1552439066512E+21
Space diagonal 34863657.426284

Equilateral Triangle

Length = n
Perimeter 60385626
Area 1.7543864819464E+14
Altitude 17431828.713142

Triangular Pyramid

Length = n
Surface area 1.7543864819464E+14
Volume 9.6110471143722E+20
Height 9488685.6957322