21492238 (number)

21492238 is an even 8-digits composite number following 21492237 and preceding 21492239. In scientific notation, it is written as 2.1492238 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 10399440 positive integers (up to 21492238) that are relatively prime to 21492238.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand two hundred thirty-eight

Notation

Scientific notation 2.1492238 × 10^7
Engineering notation 2.1492238 × 10^6

Prime Factorization of 21492238

Prime Factorization 2 × 31 × 346649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492238
Product of the distinct prime numbers

The prime factorization of 21492238 is 2 × 31 × 346649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492238)

Multiplication

n×y
n×2 42984476
n×3 64476714
n×4 85968952
n×5 107461190

Division

n÷y
n÷2 10746119
n÷3 7164079.3333333
n÷3 5373059.5
n÷5 4298447.6

Exponentiation

ny
n2 461916294248644
n3 9.9276149320699E+21
n4 2.133666628924E+29
n5 4.5857271001492E+36

Nth Root

y√n
2√n 4635.9721742047
3√n 278.03142166789
4√n 68.087973785425
5√n 29.272265006897

Divisors of 21492238

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 -21492237
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 21492238 can be divided by 8 positive divisors. The sum of these divisors (counting 21492238) is 1, the average is 0.125.

Base conversion 21492238

Base System Value
2 Binary 1010001111111001000001110
3 Ternary 1111102220210211
4 Quaternary 1101333020032
5 Quinary 21000222423
6 Senary 2044353034
8 Octal 121771016
10 Decimal 21492238
12 Duodecimal 724577a
16 Hexadecimal 147f20e
20 Vigesimal 6e6abi
36 Base36 csnim

Cryptographic Hash Functions

md5 b023cdce0c16ebc75eba00b23e329806
sha1 de331360fd607d7804b70bc4a76372626cd67284
sha256 9f5edf71742dc54ce5268f4f9da7e4858b981929cec4bec13d12b4a1291b4522
sha512 d696384fd0ed411da78aa42e4179805d693561f27b506b40fe421ee56a903692da90ef13de910116d364ce536b06de2e2781b6014993b65dd041f84fef2b1983
ripemd-160 0d48d98a9575864b59b09e5de5d8eb9442c9af2c

21492238 as geometric shapes

Circle

Radius = n
Diameter 42984476
Circumference 135039714.02001
Area 1.451152836585E+15

Sphere

Radius = n
Volume 4.1584696184345E+22
Surface area 5.8046113463398E+15
Circumference 135039714.02001

Square

Length = n
Perimeter 85968952
Area 461916294248644
Diagonal 30394614.46535

Cube

Length = n
Surface area 2771497765491864
Volume 9.9276149320699E+21
Space diagonal 37225648.184363

Equilateral Triangle

Length = n
Perimeter 64476714
Area 2.0001562262065E+14
Altitude 18612824.092181

Triangular Pyramid

Length = n
Surface area 2.0001562262065E+14
Volume 1.1699806399126E+21
Height 10131538.155117