21689912 (number)

21689912 is an even 8-digits composite number following 21689911 and preceding 21689913. In scientific notation, it is written as 2.1689912 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 10470880 positive integers (up to 21689912) that are relatively prime to 21689912.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1689912 × 10^7
Engineering notation 2.1689912 × 10^6

Prime Factorization of 21689912

Prime Factorization 2 × 2 × 2 × 29 × 93491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5422478
Product of the distinct prime numbers

The prime factorization of 21689912 is 2 × 2 × 2 × 29 × 93491. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 6, 32, 81, 540, 632, 4573, 5388, 81353, 78120, 182859, 233777, 9637835, 6919619, 6893650, 40476433, 319378155, 815040771, 6144152616, 1631151023

Basic calculations (n = 21689912)

Multiplication

n×y
n×2 43379824
n×3 65069736
n×4 86759648
n×5 108449560

Division

n÷y
n÷2 10844956
n÷3 7229970.6666667
n÷3 5422478
n÷5 4337982.4

Exponentiation

ny
n2 470452282567744
n3 1.0204068609094E+22
n4 2.213253501732E+29
n5 4.8005273686259E+36

Nth Root

y√n
2√n 4657.2429612379
3√n 278.88121594831
4√n 68.243995788918
5√n 29.325914091669

Divisors of 21689912

1, 2, 4, 8, 29, 58, 116, 232, 93491, 186982, 373964, 747928, 2711239, 5422478, 10844956, 21689912

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21689911
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21689912 can be divided by 16 positive divisors. The sum of these divisors (counting 21689912) is 1, the average is 0.0625.

Base conversion 21689912

Base System Value
2 Binary 1010010101111011000111000
3 Ternary 1111210221222002
4 Quaternary 1102233120320
5 Quinary 21023034122
6 Senary 2052520132
8 Octal 122573070
10 Decimal 21689912
12 Duodecimal 7320048
16 Hexadecimal 14af638
20 Vigesimal 6fb4fc
36 Base36 cww1k

Cryptographic Hash Functions

md5 39e13701f8311d3b97180e5892c1a101
sha1 287ebcf4d0de390cfe633dfdf65877e669751057
sha256 943b2e479d7db519d606b7e9105466d4693bea4373cdd5d74e4761a7dcb07939
sha512 f0b33b22cd40e8566110998152c151cdfb2e764e0c435a5c1a24de2ef8f311f8005985ff0a90a92983be2dcbd271adf3e2c768377c7dbd9e49b6d16160f5daed
ripemd-160 2e5968a4a4f04c61c68b3283308e83393e84721f

21689912 as geometric shapes

Circle

Radius = n
Diameter 43379824
Circumference 136281736.39242
Area 1.4779694347794E+15

Sphere

Radius = n
Volume 4.2742702638739E+22
Surface area 5.9118777391175E+15
Circumference 136281736.39242

Square

Length = n
Perimeter 86759648
Area 470452282567744
Diagonal 30674167.717079

Cube

Length = n
Surface area 2822713695406464
Volume 1.0204068609094E+22
Space diagonal 37568029.595698

Equilateral Triangle

Length = n
Perimeter 65069736
Area 2.0371181398602E+14
Altitude 18784014.797849

Triangular Pyramid

Length = n
Surface area 2.0371181398602E+14
Volume 1.2025610181971E+21
Height 10224722.57236