20120128 (number)

20120128 is an even 8-digits composite number following 20120127 and preceding 20120129. In scientific notation, it is written as 2.0120128 × 10^7. The sum of its digits is 16. It has a total of 9 prime factors and 56 positive divisors. There are 8515584 positive integers (up to 20120128) that are relatively prime to 20120128.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0120128 × 10^7
Engineering notation 2.0120128 × 10^6

Prime Factorization of 20120128

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 97 × 463

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 628754
Product of the distinct prime numbers

The prime factorization of 20120128 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 97 × 463. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120128)

Multiplication

n×y
n×2 40240256
n×3 60360384
n×4 80480512
n×5 100600640

Division

n÷y
n÷2 10060064
n÷3 6706709.3333333
n÷3 5030032
n÷5 4024025.6

Exponentiation

ny
n2 404819550736384
n3 8.1450211777185E+21
n4 1.6387886865841E+29
n5 3.2972638139024E+36

Nth Root

y√n
2√n 4485.5465664733
3√n 271.98413979033
4√n 66.974223149457
5√n 28.888576870976

Divisors of 20120128

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120127
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120128 can be divided by 56 positive divisors. The sum of these divisors (counting 20120128) is 1, the average is 0.017857142857143.

Base conversion 20120128

Base System Value
2 Binary 1001100110000001001000000
3 Ternary 1101212012121221
4 Quaternary 1030300021000
5 Quinary 20122321003
6 Senary 1555124424
8 Octal 114601100
10 Decimal 20120128
12 Duodecimal 68a3714
16 Hexadecimal 1330240
20 Vigesimal 65f068
36 Base36 bz8sg

Cryptographic Hash Functions

md5 fa2f33234f1d32f3d867f450889714c5
sha1 af662d077a2c8fc44786f68fdd5c1479b195a3cc
sha256 a5723e7e214f7d2ecede0208c14581be900112c043a9e8a40d1e7f865e918aa9
sha512 d2677de88e22b51d1e09905f8fb0b12e9e93504a0c41cc5628a3f0b548cb5ea0462eeccb88719af6903ea58381ea941c2fdb116f26cc62e673152983f3527084
ripemd-160 ebf6ec461f5609852b2cb1b828cbc8e67d511f54

20120128 as geometric shapes

Circle

Radius = n
Diameter 40240256
Circumference 126418492.62817
Area 1.2717781266229E+15

Sphere

Radius = n
Volume 3.4117784927005E+22
Surface area 5.0871125064918E+15
Circumference 126418492.62817

Square

Length = n
Perimeter 80480512
Area 404819550736384
Diagonal 28454157.894283

Cube

Length = n
Surface area 2428917304418304
Volume 8.1450211777185E+21
Space diagonal 34849083.950789

Equilateral Triangle

Length = n
Perimeter 60360384
Area 1.7529200744316E+14
Altitude 17424541.975395

Triangular Pyramid

Length = n
Surface area 1.7529200744316E+14
Volume 9.598999512788E+20
Height 9484719.2980942