20787142 (number)

20787142 is an even 8-digits composite number following 20787141 and preceding 20787143. In scientific notation, it is written as 2.0787142 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 9979200 positive integers (up to 20787142) that are relatively prime to 20787142.

Interesting facts

Basic properties

Name

Name twenty million seven hundred eighty-seven thousand one hundred forty-two

Notation

Scientific notation 2.0787142 × 10^7
Engineering notation 2.0787142 × 10^6

Prime Factorization of 20787142

Prime Factorization 2 × 29 × 199 × 1801

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20787142
Product of the distinct prime numbers

The prime factorization of 20787142 is 2 × 29 × 199 × 1801. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20787142)

Multiplication

n×y
n×2 41574284
n×3 62361426
n×4 83148568
n×5 103935710

Division

n÷y
n÷2 10393571
n÷3 6929047.3333333
n÷3 5196785.5
n÷5 4157428.4

Exponentiation

ny
n2 432105272528164
n3 8.9822336589916E+21
n4 1.8671496654664E+29
n5 3.8812705231302E+36

Nth Root

y√n
2√n 4559.2918309755
3√n 274.95709303029
4√n 67.522528321853
5√n 29.077626686824

Divisors of 20787142

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 -20787141
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 20787142 can be divided by 16 positive divisors. The sum of these divisors (counting 20787142) is 1, the average is 0.0625.

Base conversion 20787142

Base System Value
2 Binary 1001111010010111111000110
3 Ternary 1110010002121011
4 Quaternary 1033102333012
5 Quinary 20310142032
6 Senary 2021312434
8 Octal 117227706
10 Decimal 20787142
12 Duodecimal 6b6571a
16 Hexadecimal 13d2fc6
20 Vigesimal 69i7h2
36 Base36 cdjgm

Cryptographic Hash Functions

md5 720d3614fbc0f3d199ad6de253a9dad4
sha1 63d750bd64afcda7a02efe162569bb3677421928
sha256 dadfe8cab8cc34523b3043299da8add1211220f468894367fff668e41b7314d4
sha512 9f1804cb62710bb2cbf9d5cfe55c6615b5afacee52d3604a9965f28ad7b5cd6880152b69f78dfe5d017a518cedba6c75be27d1b8fa5929548928819231fab1dd
ripemd-160 0af4ea830339ed04d4fd5ab92c6d10f6f2900a3c

20787142 as geometric shapes

Circle

Radius = n
Diameter 41574284
Circumference 130609465.19266
Area 1.3574987497519E+15

Sphere

Radius = n
Volume 3.7624692367887E+22
Surface area 5.4299949990076E+15
Circumference 130609465.19266

Square

Length = n
Perimeter 83148568
Area 432105272528164
Diagonal 29397458.139375

Cube

Length = n
Surface area 2592631635168984
Volume 8.9822336589916E+21
Space diagonal 36004386.088149

Equilateral Triangle

Length = n
Perimeter 62361426
Area 1.8710707155929E+14
Altitude 18002193.044074

Triangular Pyramid

Length = n
Surface area 1.8710707155929E+14
Volume 1.0585663884125E+21
Height 9799152.7131251