21030145 (number)

21030145 is an odd 8-digits composite number following 21030144 and preceding 21030146. In scientific notation, it is written as 2.1030145 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 16824112 positive integers (up to 21030145) that are relatively prime to 21030145.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1030145 × 10^7
Engineering notation 2.1030145 × 10^6

Prime Factorization of 21030145

Prime Factorization 5 × 4206029

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21030145
Product of the distinct prime numbers

The prime factorization of 21030145 is 5 × 4206029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21030145)

Multiplication

n×y
n×2 42060290
n×3 63090435
n×4 84120580
n×5 105150725

Division

n÷y
n÷2 10515072.5
n÷3 7010048.3333333
n÷3 5257536.25
n÷5 4206029

Exponentiation

ny
n2 442266998721025
n3 9.300939111818E+21
n4 1.956000981577E+29
n5 4.1134984262707E+36

Nth Root

y√n
2√n 4585.8636046006
3√n 276.0243668538
4√n 67.719004751994
5√n 29.14529486192

Divisors of 21030145

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 -21030144
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 21030145 can be divided by 4 positive divisors. The sum of these divisors (counting 21030145) is 1, the average is 0.25.

Base conversion 21030145

Base System Value
2 Binary 1010000001110010100000001
3 Ternary 1110120102221021
4 Quaternary 1100032110001
5 Quinary 20340431040
6 Senary 2030425441
8 Octal 120162401
10 Decimal 21030145
12 Duodecimal 7062281
16 Hexadecimal 140e501
20 Vigesimal 6b8f75
36 Base36 ciqyp

Cryptographic Hash Functions

md5 c537ef9411d93f81701a53825d57ef38
sha1 5ae477ca829003e7ad92e3d6ce79777e9744c2fc
sha256 5e6887c335af83016ee971b3d8b9e3889cb3467e2f2580fa0ee41b645c1fbff7
sha512 f590a5eb1bea4ad587282709159a388d66c6dc26b1b6d21cf0a9d7bea3cf7a16cfab6142a43d57a39550648b087a9111bab22baefc85a4a0db3179992bcc1495
ripemd-160 538a4c169f8b796f429ab76524db167d99a8227d

21030145 as geometric shapes

Circle

Radius = n
Diameter 42060290
Circumference 132136298.07186
Area 1.3894227541072E+15

Sphere

Radius = n
Volume 3.8959682646898E+22
Surface area 5.5576910164287E+15
Circumference 132136298.07186

Square

Length = n
Perimeter 84120580
Area 442266998721025
Diagonal 29741116.277673

Cube

Length = n
Surface area 2653601992326150
Volume 9.300939111818E+21
Space diagonal 36425279.630541

Equilateral Triangle

Length = n
Perimeter 63090435
Area 1.9150722807395E+14
Altitude 18212639.81527

Triangular Pyramid

Length = n
Surface area 1.9150722807395E+14
Volume 1.0961261862283E+21
Height 9913705.4258909