21689969 (number)

21689969 is an odd 8-digits composite number following 21689968 and preceding 21689970. In scientific notation, it is written as 2.1689969 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 18524016 positive integers (up to 21689969) that are relatively prime to 21689969.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred sixty-nine

Notation

Scientific notation 2.1689969 × 10^7
Engineering notation 2.1689969 × 10^6

Prime Factorization of 21689969

Prime Factorization 7 × 283 × 10949

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21689969
Product of the distinct prime numbers

The prime factorization of 21689969 is 7 × 283 × 10949. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689969)

Multiplication

n×y
n×2 43379938
n×3 65069907
n×4 86759876
n×5 108449845

Division

n÷y
n÷2 10844984.5
n÷3 7229989.6666667
n÷3 5422492.25
n÷5 4337993.8

Exponentiation

ny
n2 470454755220961
n3 1.0204149056645E+22
n4 2.2132767671001E+29
n5 4.8005904466822E+36

Nth Root

y√n
2√n 4657.2490807342
3√n 278.88146024338
4√n 68.244040624323
5√n 29.325929505058

Divisors of 21689969

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 -21689968
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 21689969 can be divided by 8 positive divisors. The sum of these divisors (counting 21689969) is 1, the average is 0.125.

Base conversion 21689969

Base System Value
2 Binary 1010010101111011001110001
3 Ternary 1111210222001012
4 Quaternary 1102233121301
5 Quinary 21023034334
6 Senary 2052520305
8 Octal 122573161
10 Decimal 21689969
12 Duodecimal 7320095
16 Hexadecimal 14af671
20 Vigesimal 6fb4i9
36 Base36 cww35

Cryptographic Hash Functions

md5 09a0d01aea2d34c39c88eaad05aea138
sha1 5ab32621768cbbe4887603f8c1381af8d515b6d9
sha256 9354a06fed17a0b44fad1e13757fc39070c4ed7107de2de3eb77efeee4f796e3
sha512 954d9410a5abc819c9ccc2fa4d56d471438b4317b5c9eb934d72da3a5ab79371d381bff9675dab4ca3d79648b94b7219069a05dbd41c25506fea234c98718d65
ripemd-160 965f40ded61540868c5208f3f240ac8cb4e1b548

21689969 as geometric shapes

Circle

Radius = n
Diameter 43379938
Circumference 136282094.53398
Area 1.4779772028486E+15

Sphere

Radius = n
Volume 4.2743039616656E+22
Surface area 5.9119088113942E+15
Circumference 136282094.53398

Square

Length = n
Perimeter 86759876
Area 470454755220961
Diagonal 30674248.327252

Cube

Length = n
Surface area 2822728531325766
Volume 1.0204149056645E+22
Space diagonal 37568128.322594

Equilateral Triangle

Length = n
Perimeter 65069907
Area 2.0371288467627E+14
Altitude 18784064.161297

Triangular Pyramid

Length = n
Surface area 2.0371288467627E+14
Volume 1.202570499032E+21
Height 10224749.442417