21686746 (number)

21686746 is an even 8-digits composite number following 21686745 and preceding 21686747. In scientific notation, it is written as 2.1686746 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 10371900 positive integers (up to 21686746) that are relatively prime to 21686746.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-six thousand seven hundred forty-six

Notation

Scientific notation 2.1686746 × 10^7
Engineering notation 2.1686746 × 10^6

Prime Factorization of 21686746

Prime Factorization 2 × 23 × 471451

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21686746
Product of the distinct prime numbers

The prime factorization of 21686746 is 2 × 23 × 471451. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21686746)

Multiplication

n×y
n×2 43373492
n×3 65060238
n×4 86746984
n×5 108433730

Division

n÷y
n÷2 10843373
n÷3 7228915.3333333
n÷3 5421686.5
n÷5 4337349.2

Exponentiation

ny
n2 470314952068516
n3 1.0199600905512E+22
n4 2.2119615413921E+29
n5 4.7970248109939E+36

Nth Root

y√n
2√n 4656.9030481641
3√n 278.86764618536
4√n 68.241505318714
5√n 29.325057921616

Divisors of 21686746

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 -21686745
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 21686746 can be divided by 8 positive divisors. The sum of these divisors (counting 21686746) is 1, the average is 0.125.

Base conversion 21686746

Base System Value
2 Binary 1010010101110100111011010
3 Ternary 1111210210121211
4 Quaternary 1102232213122
5 Quinary 21022433441
6 Senary 2052453334
8 Octal 122564732
10 Decimal 21686746
12 Duodecimal 731a24a
16 Hexadecimal 14ae9da
20 Vigesimal 6fagh6
36 Base36 cwtlm

Cryptographic Hash Functions

md5 07db87042f08975955eaed1c0f529588
sha1 7b991f467ac00e09742aec918c5954b99b4fc1ae
sha256 dac98571d0195183da024eb4e43c6e0b0f0d98eee6d413298580c34153797802
sha512 221228559e5adb870be534083f42566496573eda51725bddf3d597b91f1c0c03a365c4eeac8fbabbf86553041a61b3ac99b1757323750fc4c9c611c11235117f
ripemd-160 f1fb8b81e1d295a7d782d053406298c14a98f21d

21686746 as geometric shapes

Circle

Radius = n
Diameter 43373492
Circumference 136261843.82774
Area 1.4775379982919E+15

Sphere

Radius = n
Volume 4.2723988365739E+22
Surface area 5.9101519931675E+15
Circumference 136261843.82774

Square

Length = n
Perimeter 86746984
Area 470314952068516
Diagonal 30669690.31694

Cube

Length = n
Surface area 2821889712411096
Volume 1.0199600905512E+22
Space diagonal 37562545.922841

Equilateral Triangle

Length = n
Perimeter 65060238
Area 2.036523481355E+14
Altitude 18781272.961421

Triangular Pyramid

Length = n
Surface area 2.036523481355E+14
Volume 1.2020344942807E+21
Height 10223230.105647