21003911 (number)

21003911 is an odd 8-digits composite number following 21003910 and preceding 21003912. In scientific notation, it is written as 2.1003911 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 19673280 positive integers (up to 21003911) that are relatively prime to 21003911.

Interesting facts

Basic properties

Name

Name twenty-one million three thousand nine hundred eleven

Notation

Scientific notation 2.1003911 × 10^7
Engineering notation 2.1003911 × 10^6

Prime Factorization of 21003911

Prime Factorization 19 × 89 × 12421

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21003911
Product of the distinct prime numbers

The prime factorization of 21003911 is 19 × 89 × 12421. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21003911)

Multiplication

n×y
n×2 42007822
n×3 63011733
n×4 84015644
n×5 105019555

Division

n÷y
n÷2 10501955.5
n÷3 7001303.6666667
n÷3 5250977.75
n÷5 4200782.2

Exponentiation

ny
n2 441164277295921
n3 9.2661752167028E+21
n4 1.9462591956203E+29
n5 4.0879054927741E+36

Nth Root

y√n
2√n 4583.0024001739
3√n 275.90954380109
4√n 67.697875891153
5√n 29.138019786362

Divisors of 21003911

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 -21003910
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 21003911 can be divided by 8 positive divisors. The sum of these divisors (counting 21003911) is 1, the average is 0.125.

Base conversion 21003911

Base System Value
2 Binary 1010000000111111010000111
3 Ternary 1110112002221122
4 Quaternary 1100013322013
5 Quinary 20334111121
6 Senary 2030104155
8 Octal 120077207
10 Decimal 21003911
12 Duodecimal 704b05b
16 Hexadecimal 1407e87
20 Vigesimal 6b59fb
36 Base36 ci6pz

Cryptographic Hash Functions

md5 db45280f81a7187f49c0239e94337099
sha1 b8fe7ed49c1118b35275ae7cfe7a89bb1295e3b6
sha256 ae017f0b5397cb92514edad4c44da11f908b1db8a53d554ad5cfa53866c8e0fb
sha512 3e73a4492fe091df534911e9c33101823c6fbc5859503bb206c0b6e2b85730263fd0a75abf81a5f0acb81827318bb00d38d609f7ed01b32d65d3622d10183767
ripemd-160 cd452266dbb3038b391b83371bedb3c0c386cb9e

21003911 as geometric shapes

Circle

Radius = n
Diameter 42007822
Circumference 131971464.98851
Area 1.3859584525791E+15

Sphere

Radius = n
Volume 3.8814063983559E+22
Surface area 5.5438338103165E+15
Circumference 131971464.98851

Square

Length = n
Perimeter 84015644
Area 441164277295921
Diagonal 29704015.799077

Cube

Length = n
Surface area 2646985663775526
Volume 9.2661752167028E+21
Space diagonal 36379841.009655

Equilateral Triangle

Length = n
Perimeter 63011733
Area 1.9102973569024E+14
Altitude 18189920.504827

Triangular Pyramid

Length = n
Surface area 1.9102973569024E+14
Volume 1.0920292218989E+21
Height 9901338.5996925