20128894 (number)

20128894 is an even 8-digits composite number following 20128893 and preceding 20128895. In scientific notation, it is written as 2.0128894 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 10055976 positive integers (up to 20128894) that are relatively prime to 20128894.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0128894 × 10^7
Engineering notation 2.0128894 × 10^6

Prime Factorization of 20128894

Prime Factorization 2 × 1429 × 7043

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20128894
Product of the distinct prime numbers

The prime factorization of 20128894 is 2 × 1429 × 7043. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20128894)

Multiplication

n×y
n×2 40257788
n×3 60386682
n×4 80515576
n×5 100644470

Division

n÷y
n÷2 10064447
n÷3 6709631.3333333
n÷3 5032223.5
n÷5 4025778.8

Exponentiation

ny
n2 405172373663236
n3 8.1556717611957E+21
n4 1.641646523799E+29
n5 3.3044528863019E+36

Nth Root

y√n
2√n 4486.5235985114
3√n 272.0236336875
4√n 66.98151684242
5√n 28.891093685421

Divisors of 20128894

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20128893
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20128894 can be divided by 8 positive divisors. The sum of these divisors (counting 20128894) is 1, the average is 0.125.

Base conversion 20128894

Base System Value
2 Binary 1001100110010010001111110
3 Ternary 1101212122122121
4 Quaternary 1030302101332
5 Quinary 20123111034
6 Senary 1555233154
8 Octal 114622176
10 Decimal 20128894
12 Duodecimal 68a87ba
16 Hexadecimal 133247e
20 Vigesimal 65g24e
36 Base36 bzfjy

Cryptographic Hash Functions

md5 a222be659f8494b3929326e463278fce
sha1 bd70a63e3308f322bc94c014667cd550203522e0
sha256 ca4cb26307bf7ed50eb70eaa5445fcef4bf898b3b5328fa05b33b067d9d70e61
sha512 8974674f01dc8ac2b7848e394fbf603e2c9ef83cf32bd3b5aae4fc7d7270f810d3a62992cc5e209de931df42bd180b732dda54da3b85b9ee7afa58b989a65d37
ripemd-160 85b0e04f33ec5c36ed81a774a1fdce8dac2dc976

20128894 as geometric shapes

Circle

Radius = n
Diameter 40257788
Circumference 126473571.03058
Area 1.272886552538E+15

Sphere

Radius = n
Volume 3.4162397986749E+22
Surface area 5.0915462101518E+15
Circumference 126473571.03058

Square

Length = n
Perimeter 80515576
Area 405172373663236
Diagonal 28466554.89037

Cube

Length = n
Surface area 2431034241979416
Volume 8.1556717611957E+21
Space diagonal 34864267.108168

Equilateral Triangle

Length = n
Perimeter 60386682
Area 1.75444784252E+14
Altitude 17432133.554084

Triangular Pyramid

Length = n
Surface area 1.75444784252E+14
Volume 9.6115513457885E+20
Height 9488851.6301235