21531142 (number)

21531142 is an even 8-digits composite number following 21531141 and preceding 21531143. In scientific notation, it is written as 2.1531142 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 10171872 positive integers (up to 21531142) that are relatively prime to 21531142.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand one hundred forty-two

Notation

Scientific notation 2.1531142 × 10^7
Engineering notation 2.1531142 × 10^6

Prime Factorization of 21531142

Prime Factorization 2 × 19 × 773 × 733

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21531142
Product of the distinct prime numbers

The prime factorization of 21531142 is 2 × 19 × 773 × 733. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 1, 89, 49, 128, 507, 7762, 9848, 7413, 29838, 32901, 815020, 1252466, 8934717, 99768007, 25544531, 534480326, 250351035, 6314100919, 6417658285

Basic calculations (n = 21531142)

Multiplication

n×y
n×2 43062284
n×3 64593426
n×4 86124568
n×5 107655710

Division

n÷y
n÷2 10765571
n÷3 7177047.3333333
n÷3 5382785.5
n÷5 4306228.4

Exponentiation

ny
n2 463590075824164
n3 9.9816237523608E+21
n4 2.1491575840265E+29
n5 4.6273817122052E+36

Nth Root

y√n
2√n 4640.166160818
3√n 278.19907932018
4√n 68.118765115187
5√n 29.282854732643

Divisors of 21531142

1, 2, 19, 38, 733, 773, 1466, 1546, 13927, 14687, 27854, 29374, 566609, 1133218, 10765571, 21531142

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21531141
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21531142 can be divided by 16 positive divisors. The sum of these divisors (counting 21531142) is 1, the average is 0.0625.

Base conversion 21531142

Base System Value
2 Binary 1010010001000101000000110
3 Ternary 1111111220011201
4 Quaternary 1102020220012
5 Quinary 21002444032
6 Senary 2045253114
8 Octal 122105006
10 Decimal 21531142
12 Duodecimal 726419a
16 Hexadecimal 1488a06
20 Vigesimal 6eb7h2
36 Base36 cthja

Cryptographic Hash Functions

md5 92c0d8e0d06ec628a50a68c6598430dc
sha1 bd90bdea68be1b2e75c71bbe07534eb206aaabf0
sha256 2ccc2350e1e10d72a0cad06660e0f35ed4b84569eb5572ec7b80ca720e8bf99b
sha512 0c5ad358250f179c4d9b1f12524009367497ec9a9f6d4c55fb41c72c175529333d490592f5b97d2f977d5304ec4beffa10ca306971a234455cfd0261cc152321
ripemd-160 318444f379c392309c2aa604c3899dc2d71c8b1d

21531142 as geometric shapes

Circle

Radius = n
Diameter 43062284
Circumference 135284155.0612
Area 1.4564111764863E+15

Sphere

Radius = n
Volume 4.1810927801752E+22
Surface area 5.8256447059453E+15
Circumference 135284155.0612

Square

Length = n
Perimeter 86124568
Area 463590075824164
Diagonal 30449633.029781

Cube

Length = n
Surface area 2781540454944984
Volume 9.9816237523608E+21
Space diagonal 37293031.88898

Equilateral Triangle

Length = n
Perimeter 64593426
Area 2.0074039130304E+14
Altitude 18646515.94449

Triangular Pyramid

Length = n
Surface area 2.0074039130304E+14
Volume 1.1763456404245E+21
Height 10149877.676594