21691874 (number)

21691874 is an even 8-digits composite number following 21691873 and preceding 21691875. In scientific notation, it is written as 2.1691874 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 10845936 positive integers (up to 21691874) that are relatively prime to 21691874.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand eight hundred seventy-four

Notation

Scientific notation 2.1691874 × 10^7
Engineering notation 2.1691874 × 10^6

Prime Factorization of 21691874

Prime Factorization 2 × 10845937

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21691874
Product of the distinct prime numbers

The prime factorization of 21691874 is 2 × 10845937. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691874)

Multiplication

n×y
n×2 43383748
n×3 65075622
n×4 86767496
n×5 108459370

Division

n÷y
n÷2 10845937
n÷3 7230624.6666667
n÷3 5422968.5
n÷5 4338374.8

Exponentiation

ny
n2 470537397631876
n3 1.0206837941719E+22
n4 2.2140544257018E+29
n5 4.8026989631465E+36

Nth Root

y√n
2√n 4657.4535961188
3√n 278.88962459543
4√n 68.245539019915
5√n 29.326444618134

Divisors of 21691874

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 -21691873
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 21691874 can be divided by 4 positive divisors. The sum of these divisors (counting 21691874) is 1, the average is 0.25.

Base conversion 21691874

Base System Value
2 Binary 1010010101111110111100010
3 Ternary 1111211001122202
4 Quaternary 1102233313202
5 Quinary 21023114444
6 Senary 2052533202
8 Octal 122576742
10 Decimal 21691874
12 Duodecimal 7321202
16 Hexadecimal 14afde2
20 Vigesimal 6fb9de
36 Base36 cwxk2

Cryptographic Hash Functions

md5 d4c07233a7074e6ba31a922696807036
sha1 72b2a630310965b1937dbce2215976e78ab1c34e
sha256 fa46722f97f5c072c0665dd8d718f3bd7c1e2940f8fec6a389fc2fbda1704635
sha512 1f25b622ee5cd0a527a6fdabc61d8e093b9d49764bbb824ae900a7a7ab049f698df8a9976200f8f639df477d4446ca7c90cba7ec2ada38beca94e481a4666c5a
ripemd-160 fa46e49a4871cc81d823096e2475b26d1047e41d

21691874 as geometric shapes

Circle

Radius = n
Diameter 43383748
Circumference 136294064.00199
Area 1.4782368316396E+15

Sphere

Radius = n
Volume 4.2754302792113E+22
Surface area 5.9129473265582E+15
Circumference 136294064.00199

Square

Length = n
Perimeter 86767496
Area 470537397631876
Diagonal 30676942.404088

Cube

Length = n
Surface area 2823224385791256
Volume 1.0206837941719E+22
Space diagonal 37571427.879382

Equilateral Triangle

Length = n
Perimeter 65075622
Area 2.0374866988991E+14
Altitude 18785713.939691

Triangular Pyramid

Length = n
Surface area 2.0374866988991E+14
Volume 1.2028873871769E+21
Height 10225647.468029