21709 (number)

21709 is an odd 5-digits composite number following 21708 and preceding 21710. In scientific notation, it is written as 2.1709 × 10^4. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20416 positive integers (up to 21709) that are relatively prime to 21709.

Interesting facts

Basic properties

Name

Name twenty-one thousand seven hundred nine

Notation

Scientific notation 2.1709 × 10^4
Engineering notation 2.1709 × 10^3

Prime Factorization of 21709

Prime Factorization 1277 × 17

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21709
Product of the distinct prime numbers

The prime factorization of 21709 is 1277 × 17. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21709)

Multiplication

n×y
n×2 43418
n×3 65127
n×4 86836
n×5 108545

Division

n÷y
n÷2 10854.5
n÷3 7236.3333333333
n÷3 5427.25
n÷5 4341.8

Exponentiation

ny
n2 471280681
n3 10231032303829
n4 222105480283823761
n5 4.8216878714815E+21

Nth Root

y√n
2√n 147.3397434503
3√n 27.896300087894
4√n 12.138358350712
5√n 7.367632648523

Divisors of 21709

1, 17, 1277, 21709

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 -21708
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 21709 can be divided by 4 positive divisors. The sum of these divisors (counting 21709) is 1, the average is 0.25.

Base conversion 21709

Base System Value
2 Binary 101010011001101
3 Ternary 1002210001
4 Quaternary 11103031
5 Quinary 1143314
6 Senary 244301
8 Octal 52315
10 Decimal 21709
12 Duodecimal 10691
16 Hexadecimal 54cd
20 Vigesimal 2e59
36 Base36 gr1

Cryptographic Hash Functions

md5 7496bfb74b0737a432d357c6de4b50d0
sha1 ddd4a31f032de5c731f9d333ec9fc1c7ae17d5ce
sha256 b9cc85845b2130644290ca7f39688d7fb1fa6352182ba6341797c21b5730399d
sha512 b998b9eb974cb34128c1edb35bc0ab7c81d4d7a8079966ec750af78223079153e09e1e854e62a92adbb1a91067b7faf6c60bb620a4f21a26095c2c6225af7786
ripemd-160 72faf76b9774c49f9a018ad21836175c69fb5464

21709 as geometric shapes

Circle

Radius = n
Diameter 43418
Circumference 136401.66983356
Area 1480571925.2084

Sphere

Radius = n
Volume 42855647899132
Surface area 5922287700.8336
Circumference 136401.66983356

Square

Length = n
Perimeter 86836
Area 471280681
Diagonal 30701.162225558

Cube

Length = n
Surface area 2827684086
Volume 10231032303829
Space diagonal 37601.090981513

Equilateral Triangle

Length = n
Perimeter 65127
Area 204070521.02942
Altitude 18800.545490756

Triangular Pyramid

Length = n
Surface area 204070521.02942
Volume 1205738720096
Height 10233.720741853