16809721 (number)

16809721 is an odd 8-digits composite number following 16809720 and preceding 16809722. In scientific notation, it is written as 1.6809721 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 16608000 positive integers (up to 16809721) that are relatively prime to 16809721.

Interesting facts

Basic properties

Name

Name sixteen million eight hundred nine thousand seven hundred twenty-one

Notation

Scientific notation 1.6809721 × 10^7
Engineering notation 1.6809721 × 10^6

Prime Factorization of 16809721

Prime Factorization 193 × 251 × 347

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 16809721
Product of the distinct prime numbers

The prime factorization of 16809721 is 193 × 251 × 347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 16809721)

Multiplication

n×y
n×2 33619442
n×3 50429163
n×4 67238884
n×5 84048605

Division

n÷y
n÷2 8404860.5
n÷3 5603240.3333333
n÷3 4202430.25
n÷5 3361944.2

Exponentiation

ny
n2 282566720097841
n3 4.7498677287298E+21
n4 7.9843951306852E+28
n5 1.3421545450058E+36

Nth Root

y√n
2√n 4099.9659754686
3√n 256.16522232212
4√n 64.030976686824
5√n 27.868404212354

Divisors of 16809721

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 -16809720
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 16809721 can be divided by 8 positive divisors. The sum of these divisors (counting 16809721) is 1, the average is 0.125.

Base conversion 16809721

Base System Value
2 Binary 1000000000111111011111001
3 Ternary 1011122000121021
4 Quaternary 1000013323321
5 Quinary 13300402341
6 Senary 1400142441
8 Octal 100077371
10 Decimal 16809721
12 Duodecimal 5767a21
16 Hexadecimal 1007ef9
20 Vigesimal 551461
36 Base36 a0agp

Cryptographic Hash Functions

md5 c037231fb0494f2cb38dfa179d5a3de3
sha1 77eb81be3dddf84a39981a390c302ea65dd0e63a
sha256 83c9e2b9e6814df9d05e84b53ccef3146761001c9442f9e4c40c9df8e4d65d27
sha512 1d982ed0ef5cad1e35db037f94fe523248a9fdf3f6b709396f9efc27bd73c27b0e8f1ef79c11382004705f12719d44bd305643a90b4300c8e9353014ca0092ce
ripemd-160 057e4566619532eb5b7a02b7ba2cf18e11b35246

16809721 as geometric shapes

Circle

Radius = n
Diameter 33619442
Circumference 105618592.00499
Area 8.8770953200834E+14

Sphere

Radius = n
Volume 1.9896199416134E+22
Surface area 3.5508381280334E+15
Circumference 105618592.00499

Square

Length = n
Perimeter 67238884
Area 282566720097841
Diagonal 23772535.417908

Cube

Length = n
Surface area 1695400320587046
Volume 4.7498677287298E+21
Space diagonal 29115290.833058

Equilateral Triangle

Length = n
Perimeter 50429163
Area 1.2235497893439E+14
Altitude 14557645.416529

Triangular Pyramid

Length = n
Surface area 1.2235497893439E+14
Volume 5.5977728012066E+20
Height 7924178.4726359