21694428 (number)

21694428 is an even 8-digits composite number following 21694427 and preceding 21694429. In scientific notation, it is written as 2.1694428 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 72 positive divisors. There are 5588352 positive integers (up to 21694428) that are relatively prime to 21694428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1694428 × 10^7
Engineering notation 2.1694428 × 10^6

Prime Factorization of 21694428

Prime Factorization 2 × 2 × 3 × 3 × 437 × 7 × 197

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3615738
Product of the distinct prime numbers

The prime factorization of 21694428 is 2 × 2 × 3 × 3 × 437 × 7 × 197. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21694428)

Multiplication

n×y
n×2 43388856
n×3 65083284
n×4 86777712
n×5 108472140

Division

n÷y
n÷2 10847214
n÷3 7231476
n÷3 5423607
n÷5 4338885.6

Exponentiation

ny
n2 470648206247184
n3 1.0210443623759E+22
n4 2.2150973404369E+29
n5 4.80552697651E+36

Nth Root

y√n
2√n 4657.7277722082
3√n 278.90056964869
4√n 68.24754773769
5√n 29.327135164394

Divisors of 21694428

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21694427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21694428 can be divided by 72 positive divisors. The sum of these divisors (counting 21694428) is 1, the average is 0.013888888888889.

Base conversion 21694428

Base System Value
2 Binary 1010010110000011111011100
3 Ternary 1111211012011100
4 Quaternary 1102300133130
5 Quinary 21023210203
6 Senary 2052553100
8 Octal 122603734
10 Decimal 21694428
12 Duodecimal 7322790
16 Hexadecimal 14b07dc
20 Vigesimal 6fbg18
36 Base36 cwzj0

Cryptographic Hash Functions

md5 38d3b99bf65e31812f5795ff84026a9f
sha1 81ea6f7e2fa4695372d24d128746f426e2f44488
sha256 c2f63ee5c62fddeac88beaca551e3ffed5cf6d29b6468bf279486d41ad9bfae0
sha512 409eb5458f7831dcad52d196f0e91c49476ba8f2777bbaa4905a4134b72afea5f09f20addc2ce3af4c1e2360ee0ecf3a1079c697f4f321374da87f8c541a5084
ripemd-160 da081929e97457776c5b65591e2f786a319865c3

21694428 as geometric shapes

Circle

Radius = n
Diameter 43388856
Circumference 136310111.25727
Area 1.4785849471714E+15

Sphere

Radius = n
Volume 4.2769406237724E+22
Surface area 5.9143397886855E+15
Circumference 136310111.25727

Square

Length = n
Perimeter 86777712
Area 470648206247184
Diagonal 30680554.305527

Cube

Length = n
Surface area 2823889237483104
Volume 1.0210443623759E+22
Space diagonal 37575851.537145

Equilateral Triangle

Length = n
Perimeter 65083284
Area 2.0379665142782E+14
Altitude 18787925.768572

Triangular Pyramid

Length = n
Surface area 2.0379665142782E+14
Volume 1.2033123208805E+21
Height 10226851.435176