21691427 (number)

21691427 is an odd 8-digits composite number following 21691426 and preceding 21691428. In scientific notation, it is written as 2.1691427 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 21671880 positive integers (up to 21691427) that are relatively prime to 21691427.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand four hundred twenty-seven

Notation

Scientific notation 2.1691427 × 10^7
Engineering notation 2.1691427 × 10^6

Prime Factorization of 21691427

Prime Factorization 1181 × 18367

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21691427
Product of the distinct prime numbers

The prime factorization of 21691427 is 1181 × 18367. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21691427)

Multiplication

n×y
n×2 43382854
n×3 65074281
n×4 86765708
n×5 108457135

Division

n÷y
n÷2 10845713.5
n÷3 7230475.6666667
n÷3 5422856.75
n÷5 4338285.4

Exponentiation

ny
n2 470518005296329
n3 1.0206206964071E+22
n4 2.2138719330804E+29
n5 4.8022041423762E+36

Nth Root

y√n
2√n 4657.4056082759
3√n 278.8877089085
4√n 68.245187436741
5√n 29.326323752331

Divisors of 21691427

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 -21691426
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 21691427 can be divided by 4 positive divisors. The sum of these divisors (counting 21691427) is 1, the average is 0.25.

Base conversion 21691427

Base System Value
2 Binary 1010010101111110000100011
3 Ternary 1111211001001012
4 Quaternary 1102233300203
5 Quinary 21023111202
6 Senary 2052531135
8 Octal 122576043
10 Decimal 21691427
12 Duodecimal 7320aab
16 Hexadecimal 14afc23
20 Vigesimal 6fb8b7
36 Base36 cwx7n

Cryptographic Hash Functions

md5 57af24bdc8a981c50456918a78b88aab
sha1 b064d184de5d28bd207ac39dd31dbb484267f8f5
sha256 86708f51f53569350ed4b26a59100315c43a1d29dc4fbcac0b1cefa94eb2e928
sha512 e77b881849ed5b4294285af73aa3d6f59eb7508ea3685d524fd644bdc259cc0d5b47009fdc39d4e7eda57bde1273978df15b8ddc9bc44466535e2f3737a78a2a
ripemd-160 7613d70f5bba0a11274201111c2ccc53d5455566

21691427 as geometric shapes

Circle

Radius = n
Diameter 43382854
Circumference 136291255.41816
Area 1.4781759088207E+15

Sphere

Radius = n
Volume 4.2751659759123E+22
Surface area 5.9127036352827E+15
Circumference 136291255.41816

Square

Length = n
Perimeter 86765708
Area 470518005296329
Diagonal 30676310.250626

Cube

Length = n
Surface area 2823108031777974
Volume 1.0206206964071E+22
Space diagonal 37570653.652671

Equilateral Triangle

Length = n
Perimeter 65074281
Area 2.037402727623E+14
Altitude 18785326.826336

Triangular Pyramid

Length = n
Surface area 2.037402727623E+14
Volume 1.202813025748E+21
Height 10225436.750209