21697428 (number)

21697428 is an even 8-digits composite number following 21697427 and preceding 21697429. In scientific notation, it is written as 2.1697428 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 7232472 positive integers (up to 21697428) that are relatively prime to 21697428.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1697428 × 10^7
Engineering notation 2.1697428 × 10^6

Prime Factorization of 21697428

Prime Factorization 2 × 2 × 3 × 1808119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10848714
Product of the distinct prime numbers

The prime factorization of 21697428 is 2 × 2 × 3 × 1808119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 60, 26, 740, 16, 462, 553, 22069, 98792, 503702, 86132, 2114882, 2863092, 1555966, 28122385, 160655959, 521898653, 5220960749, 6718601896

Basic calculations (n = 21697428)

Multiplication

n×y
n×2 43394856
n×3 65092284
n×4 86789712
n×5 108487140

Division

n÷y
n÷2 10848714
n÷3 7232476
n÷3 5424357
n÷5 4339485.6

Exponentiation

ny
n2 470778381815184
n3 1.0214680043391E+22
n4 2.2163228478452E+29
n5 4.8088505415877E+36

Nth Root

y√n
2√n 4658.0498065177
3√n 278.91342491801
4√n 68.249907007393
5√n 29.327946216331

Divisors of 21697428

1, 2, 3, 4, 6, 12, 1808119, 3616238, 5424357, 7232476, 10848714, 21697428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21697427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21697428 can be divided by 12 positive divisors. The sum of these divisors (counting 21697428) is 1, the average is 0.083333333333333.

Base conversion 21697428

Base System Value
2 Binary 1010010110001001110010100
3 Ternary 1111211100021110
4 Quaternary 1102301032110
5 Quinary 21023304203
6 Senary 2053015020
8 Octal 122611624
10 Decimal 21697428
12 Duodecimal 7324470
16 Hexadecimal 14b1394
20 Vigesimal 6fc3b8
36 Base36 cx1uc

Cryptographic Hash Functions

md5 951f3bf07dec716b60c6cb3007a0619d
sha1 7e79bf5830acae9fe916968a7fb9f4bead503ad9
sha256 46ce53c8552f57b37ac89c8a7fa486602f2b48d35144055f2a6b4b61aebec1f0
sha512 c4fb5e5f69d34a51a52d2b36a738ac56f8be1f7c76e8ebf89ed86c8d8882ff26ed6b722d01f360ffcb35b99a08a68b5bdf4c1d3b426ef2873dc220c0ff9c642a
ripemd-160 8f208a0822de4caa86219d196f6167ebef9cae62

21697428 as geometric shapes

Circle

Radius = n
Diameter 43394856
Circumference 136328960.81319
Area 1.4789939057795E+15

Sphere

Radius = n
Volume 4.2787151710785E+22
Surface area 5.9159756231179E+15
Circumference 136328960.81319

Square

Length = n
Perimeter 86789712
Area 470778381815184
Diagonal 30684796.946214

Cube

Length = n
Surface area 2824670290891104
Volume 1.0214680043391E+22
Space diagonal 37581047.689568

Equilateral Triangle

Length = n
Perimeter 65092284
Area 2.0385301910224E+14
Altitude 18790523.844784

Triangular Pyramid

Length = n
Surface area 2.0385301910224E+14
Volume 1.2038115877222E+21
Height 10228265.648738