20778209 (number)

20778209 is an odd 8-digits composite number following 20778208 and preceding 20778210. In scientific notation, it is written as 2.0778209 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 20493504 positive integers (up to 20778209) that are relatively prime to 20778209.

Interesting facts

Basic properties

Name

Name twenty million seven hundred seventy-eight thousand two hundred nine

Notation

Scientific notation 2.0778209 × 10^7
Engineering notation 2.0778209 × 10^6

Prime Factorization of 20778209

Prime Factorization 73 × 284633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20778209
Product of the distinct prime numbers

The prime factorization of 20778209 is 73 × 284633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20778209)

Multiplication

n×y
n×2 41556418
n×3 62334627
n×4 83112836
n×5 103891045

Division

n÷y
n÷2 10389104.5
n÷3 6926069.6666667
n÷3 5194552.25
n÷5 4155641.8

Exponentiation

ny
n2 431733969247681
n3 8.9706586454279E+21
n4 1.8639422020236E+29
n5 3.8729380637566E+36

Nth Root

y√n
2√n 4558.3120779517
3√n 274.91770099274
4√n 67.515272923626
5√n 29.075127111842

Divisors of 20778209

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 -20778208
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 20778209 can be divided by 4 positive divisors. The sum of these divisors (counting 20778209) is 1, the average is 0.25.

Base conversion 20778209

Base System Value
2 Binary 1001111010000110011100001
3 Ternary 1110002122100022
4 Quaternary 1033100303201
5 Quinary 20304400314
6 Senary 2021203225
8 Octal 117206341
10 Decimal 20778209
12 Duodecimal 6b60515
16 Hexadecimal 13d0ce1
20 Vigesimal 69h5a9
36 Base36 cdckh

Cryptographic Hash Functions

md5 cf10047f0317a644f2a55f95e52d7f6d
sha1 285dacfeb91703f32643d1c14642a7477d28a4ee
sha256 d10ea8306347ef43f3ab96876604aca83a952f5e82d87c79ee724af6c943d9e6
sha512 8a3c73aff590b07483ed7a6ce1c9f1559e658ab79a8c11a34631db39851afeefc9ef576c6e90fd82b760c19fc143c423e87e2f63aa1739bc7aabe37e26a3985d
ripemd-160 2b3e636db62f9967f0b7247bc588ff74627a01f8

20778209 as geometric shapes

Circle

Radius = n
Diameter 41556418
Circumference 130553337.49831
Area 1.3563322660937E+15

Sphere

Radius = n
Volume 3.7576207064451E+22
Surface area 5.4253290643747E+15
Circumference 130553337.49831

Square

Length = n
Perimeter 83112836
Area 431733969247681
Diagonal 29384824.969623

Cube

Length = n
Surface area 2590403815486086
Volume 8.9706586454279E+21
Space diagonal 35988913.678285

Equilateral Triangle

Length = n
Perimeter 62334627
Area 1.8694629252259E+14
Altitude 17994456.839142

Triangular Pyramid

Length = n
Surface area 1.8694629252259E+14
Volume 1.057202259982E+21
Height 9794941.6565409