20128939 (number)

20128939 is an odd 8-digits composite number following 20128938 and preceding 20128940. In scientific notation, it is written as 2.0128939 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 20092624 positive integers (up to 20128939) that are relatively prime to 20128939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128939 × 10^7
Engineering notation 2.0128939 × 10^6

Prime Factorization of 20128939

Prime Factorization 563 × 35753

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20128939
Product of the distinct prime numbers

The prime factorization of 20128939 is 563 × 35753. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 38, 20, 274, 51, 3018, 9046, 90532, 87003, 152540, 760896, 9435408, 5790005, 83283890, 23183388, 315503135, 334913235, 1505530911, 944214021

Basic calculations (n = 20128939)

Multiplication

n×y
n×2 40257878
n×3 60386817
n×4 80515756
n×5 100644695

Division

n÷y
n÷2 10064469.5
n÷3 6709646.3333333
n÷3 5032234.75
n÷5 4025787.8

Exponentiation

ny
n2 405174185265721
n3 8.1557264595884E+21
n4 1.6416612040574E+29
n5 3.3044898235138E+36

Nth Root

y√n
2√n 4486.5286135274
3√n 272.02383639867
4√n 66.981554278229
5√n 28.89110660315

Divisors of 20128939

1, 563, 35753, 20128939

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128939 can be divided by 4 positive divisors. The sum of these divisors (counting 20128939) is 1, the average is 0.25.

Base conversion 20128939

Base System Value
2 Binary 1001100110010010010101011
3 Ternary 1101212122201021
4 Quaternary 1030302102223
5 Quinary 20123111224
6 Senary 1555233311
8 Octal 114622253
10 Decimal 20128939
12 Duodecimal 68a8837
16 Hexadecimal 13324ab
20 Vigesimal 65g26j
36 Base36 bzfl7

Cryptographic Hash Functions

md5 e0458ca19141798d7d59659670180946
sha1 cdea891e18c0019ecf53e5b40d15d316bf9e401a
sha256 e45dfa40c5611e353f2d952cb8bd8ed847a0b4b10e53997b6496f360e6476bc6
sha512 fa171b2f10920b44d443303bcb36c8a54d224f75744731072707a73a4dbbd1abc345e74d251dcd2275187de725a038a937e7f736de96a03f0c47975622ff3020
ripemd-160 c3c0869e0508b05359db9457a5797dbed9ccddde

20128939 as geometric shapes

Circle

Radius = n
Diameter 40257878
Circumference 126473853.77391
Area 1.272892243855E+15

Sphere

Radius = n
Volume 3.4162627106841E+22
Surface area 5.0915689754201E+15
Circumference 126473853.77391

Square

Length = n
Perimeter 80515756
Area 405174185265721
Diagonal 28466618.529981

Cube

Length = n
Surface area 2431045111594326
Volume 8.1557264595884E+21
Space diagonal 34864345.050455

Equilateral Triangle

Length = n
Perimeter 60386817
Area 1.7544556869889E+14
Altitude 17432172.525227

Triangular Pyramid

Length = n
Surface area 1.7544556869889E+14
Volume 9.6116158084625E+20
Height 9488872.8433269