20657890 (number)

20657890 is an even 8-digits composite number following 20657889 and preceding 20657891. In scientific notation, it is written as 2.0657890 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 7069440 positive integers (up to 20657890) that are relatively prime to 20657890.

Interesting facts

Basic properties

Name

Name twenty million six hundred fifty-seven thousand eight hundred ninety

Notation

Scientific notation 2.0657890 × 10^7
Engineering notation 2.0657890 × 10^6

Prime Factorization of 20657890

Prime Factorization 2 × 85 × 11 × 11047

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20657890
Product of the distinct prime numbers

The prime factorization of 20657890 is 2 × 85 × 11 × 11047. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20657890)

Multiplication

n×y
n×2 41315780
n×3 61973670
n×4 82631560
n×5 103289450

Division

n÷y
n÷2 10328945
n÷3 6885963.3333333
n÷3 5164472.5
n÷5 4131578

Exponentiation

ny
n2 426748419252100
n3 8.8157219025838E+21
n4 1.8211421333417E+29
n5 3.7620953864937E+36

Nth Root

y√n
2√n 4545.0951585198
3√n 274.38602417295
4√n 67.417320908798
5√n 29.041376162342

Divisors of 20657890

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 -20657889
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 20657890 can be divided by 16 positive divisors. The sum of these divisors (counting 20657890) is 1, the average is 0.0625.

Base conversion 20657890

Base System Value
2 Binary 1001110110011011011100010
3 Ternary 1102212112022001
4 Quaternary 1032303123202
5 Quinary 20242023030
6 Senary 2014434214
8 Octal 116633342
10 Decimal 20657890
12 Duodecimal 6b0296a
16 Hexadecimal 13b36e2
20 Vigesimal 6924ea
36 Base36 carqa

Cryptographic Hash Functions

md5 a4d7f9037675361bb230ab66e54d66e3
sha1 72c11992986daae68a37571f2028206a756af2cd
sha256 27bed4dd501416baedb5e09e603c47cd273486c24a642f8394b65ba4005eac40
sha512 ad7250a067c07d22db2234c326c5ef6662dce0cf925105f7711bf5ace945120b2f5655ef21c26e56ba09340220c9ce05c4022fcfa2f22550bc4df5049deae68b
ripemd-160 ca439d4d8a90011748c2c6e319cec878da80d529

20657890 as geometric shapes

Circle

Radius = n
Diameter 41315780
Circumference 129797350.92533
Area 1.3406696988535E+15

Sphere

Radius = n
Volume 3.6927209553664E+22
Surface area 5.3626787954138E+15
Circumference 129797350.92533

Square

Length = n
Perimeter 82631560
Area 426748419252100
Diagonal 29214668.208012

Cube

Length = n
Surface area 2560490515512600
Volume 8.8157219025838E+21
Space diagonal 35780515.057169

Equilateral Triangle

Length = n
Perimeter 61973670
Area 1.8478748604859E+14
Altitude 17890257.528585

Triangular Pyramid

Length = n
Surface area 1.8478748604859E+14
Volume 1.0389427897286E+21
Height 9738222.7360038