21051903 (number)

21051903 is an odd 8-digits composite number following 21051902 and preceding 21051904. In scientific notation, it is written as 2.1051903 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14034600 positive integers (up to 21051903) that are relatively prime to 21051903.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand nine hundred three

Notation

Scientific notation 2.1051903 × 10^7
Engineering notation 2.1051903 × 10^6

Prime Factorization of 21051903

Prime Factorization 3 × 7017301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21051903
Product of the distinct prime numbers

The prime factorization of 21051903 is 3 × 7017301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051903)

Multiplication

n×y
n×2 42103806
n×3 63155709
n×4 84207612
n×5 105259515

Division

n÷y
n÷2 10525951.5
n÷3 7017301
n÷3 5262975.75
n÷5 4210380.6

Exponentiation

ny
n2 443182619921409
n3 9.3298375258714E+21
n4 1.964108346004E+29
n5 4.1348218381568E+36

Nth Root

y√n
2√n 4588.2352816742
3√n 276.11952657436
4√n 67.736513651606
5√n 29.151323170826

Divisors of 21051903

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 -21051902
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 21051903 can be divided by 4 positive divisors. The sum of these divisors (counting 21051903) is 1, the average is 0.25.

Base conversion 21051903

Base System Value
2 Binary 1010000010011100111111111
3 Ternary 1110121112210010
4 Quaternary 1100103213333
5 Quinary 20342130103
6 Senary 2031114303
8 Octal 120234777
10 Decimal 21051903
12 Duodecimal 7072993
16 Hexadecimal 14139ff
20 Vigesimal 6bb9f3
36 Base36 cj7r3

Cryptographic Hash Functions

md5 a615b20fffdc74ea81bf4bdae213472e
sha1 449c999544df39a5d7833766bf14468e3f40e3f1
sha256 6513f708942cbc6af426452e806072f703b99b16317d7d71d69e7f08ca144d45
sha512 cd9d9d126bcfd3f174ba8d083bef8ec703084d0dc2e490cf81f4fc5f0ad6b764e160918f50cc2db1d045688616239bcc8e254f15d26026b5426fdfc09994d528
ripemd-160 1b96a86f93fdb1eb61dc861362242a8c79ceff89

21051903 as geometric shapes

Circle

Radius = n
Diameter 42103806
Circumference 132273007.61777
Area 1.3922992629438E+15

Sphere

Radius = n
Volume 3.9080732040618E+22
Surface area 5.5691970517751E+15
Circumference 132273007.61777

Square

Length = n
Perimeter 84207612
Area 443182619921409
Diagonal 29771886.736363

Cube

Length = n
Surface area 2659095719528454
Volume 9.3298375258714E+21
Space diagonal 36462965.592012

Equilateral Triangle

Length = n
Perimeter 63155709
Area 1.9190370368384E+14
Altitude 18231482.796006

Triangular Pyramid

Length = n
Surface area 1.9190370368384E+14
Volume 1.0995318969854E+21
Height 9923962.2454543