16809905 (number)

16809905 is an odd 8-digits composite number following 16809904 and preceding 16809906. In scientific notation, it is written as 1.6809905 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 11154240 positive integers (up to 16809905) that are relatively prime to 16809905.

Interesting facts

Basic properties

Name

Name sixteen million eight hundred nine thousand nine hundred five

Notation

Scientific notation 1.6809905 × 10^7
Engineering notation 1.6809905 × 10^6

Prime Factorization of 16809905

Prime Factorization 35 × 31 × 15493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16809905
Product of the distinct prime numbers

The prime factorization of 16809905 is 35 × 31 × 15493. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16809905)

Multiplication

n×y
n×2 33619810
n×3 50429715
n×4 67239620
n×5 84049525

Division

n÷y
n÷2 8404952.5
n÷3 5603301.6666667
n÷3 4202476.25
n÷5 3361981

Exponentiation

ny
n2 282572906109025
n3 4.7500237072666E+21
n4 7.98474472669E+28
n5 1.3422280030491E+36

Nth Root

y√n
2√n 4099.9884146178
3√n 256.16615698425
4√n 64.031151907628
5√n 27.868465221861

Divisors of 16809905

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 -16809904
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 16809905 can be divided by 8 positive divisors. The sum of these divisors (counting 16809905) is 1, the average is 0.125.

Base conversion 16809905

Base System Value
2 Binary 1000000000111111110110001
3 Ternary 1011122000212002
4 Quaternary 1000013332301
5 Quinary 13300404110
6 Senary 1400143345
8 Octal 100077661
10 Decimal 16809905
12 Duodecimal 5767b55
16 Hexadecimal 1007fb1
20 Vigesimal 5514f5
36 Base36 a0alt

Cryptographic Hash Functions

md5 042a7b2e9e112591a16145cf846c798d
sha1 2edf30d6ba8b1154cca0a4a74ba3d65929ceddc4
sha256 22023a4e8b93874dc3985ab3fcae98e42143ea6b0cc616d11d48e5b1aa412756
sha512 275082bf1d01f6576884e5e6c0ba02569fe9d803ee4c52c6173e747101f5497bc507c07c84fa2bd433c324e27eb788327f88c2446444d85d2c7a69d078833561
ripemd-160 049a21b9fb3584f8ddbf536645cd7b3876a8afea

16809905 as geometric shapes

Circle

Radius = n
Diameter 33619810
Circumference 105619748.11108
Area 8.8772896593563E+14

Sphere

Radius = n
Volume 1.9896852777502E+22
Surface area 3.5509158637425E+15
Circumference 105619748.11108

Square

Length = n
Perimeter 67239620
Area 282572906109025
Diagonal 23772795.633203

Cube

Length = n
Surface area 1695437436654150
Volume 4.7500237072666E+21
Space diagonal 29115609.530406

Equilateral Triangle

Length = n
Perimeter 50429715
Area 1.2235765755581E+14
Altitude 14557804.765203

Triangular Pyramid

Length = n
Surface area 1.2235765755581E+14
Volume 5.5979566236752E+20
Height 7924265.2110678