20807638 (number)

20807638 is an even 8-digits composite number following 20807637 and preceding 20807639. In scientific notation, it is written as 2.0807638 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 10403818 positive integers (up to 20807638) that are relatively prime to 20807638.

Interesting facts

Basic properties

Name

Name twenty million eight hundred seven thousand six hundred thirty-eight

Notation

Scientific notation 2.0807638 × 10^7
Engineering notation 2.0807638 × 10^6

Prime Factorization of 20807638

Prime Factorization 2 × 10403819

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20807638
Product of the distinct prime numbers

The prime factorization of 20807638 is 2 × 10403819. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20807638)

Multiplication

n×y
n×2 41615276
n×3 62422914
n×4 83230552
n×5 104038190

Division

n÷y
n÷2 10403819
n÷3 6935879.3333333
n÷3 5201909.5
n÷5 4161527.6

Exponentiation

ny
n2 432957799139044
n3 9.0088291537619E+21
n4 1.8745245583532E+29
n5 3.9004428432324E+36

Nth Root

y√n
2√n 4561.5389946815
3√n 275.04743203883
4√n 67.539166375382
5√n 29.083358500503

Divisors of 20807638

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 -20807637
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 20807638 can be divided by 4 positive divisors. The sum of these divisors (counting 20807638) is 1, the average is 0.25.

Base conversion 20807638

Base System Value
2 Binary 1001111010111111111010110
3 Ternary 1110011010201021
4 Quaternary 1033113333112
5 Quinary 20311321023
6 Senary 2021551354
8 Octal 117277726
10 Decimal 20807638
12 Duodecimal 6b7555a
16 Hexadecimal 13d7fd6
20 Vigesimal 6a0j1i
36 Base36 cdz9y

Cryptographic Hash Functions

md5 bbf0ae609dcda88de30583137bd7ef82
sha1 1ea112980e1b505f0500bf6624e4af29761d34b5
sha256 ac79b719adf08609c93ea4516fd79597ea3e62e702470d404e85d7f56052a2dd
sha512 972422a3f6a4e410087a85f3d9c78e1250e0e948a5afb64987ce869f3c06ffec4ae733b2625598cbadf95e21d647f53c265d31b97d6be73454152ae8f22e8b52
ripemd-160 557890d266eb0474ee871031184e10629e6e2627

20807638 as geometric shapes

Circle

Radius = n
Diameter 41615276
Circumference 130738245.35871
Area 1.3601770410896E+15

Sphere

Radius = n
Volume 3.7736095315872E+22
Surface area 5.4407081643585E+15
Circumference 130738245.35871

Square

Length = n
Perimeter 83230552
Area 432957799139044
Diagonal 29426443.86055

Cube

Length = n
Surface area 2597746794834264
Volume 9.0088291537619E+21
Space diagonal 36039886.201501

Equilateral Triangle

Length = n
Perimeter 62422914
Area 1.8747622641051E+14
Altitude 18019943.10075

Triangular Pyramid

Length = n
Surface area 1.8747622641051E+14
Volume 1.0617006975294E+21
Height 9808814.6201833