21031903 (number)

21031903 is an odd 8-digits composite number following 21031902 and preceding 21031904. In scientific notation, it is written as 2.1031903 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20717928 positive integers (up to 21031903) that are relatively prime to 21031903.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031903 × 10^7
Engineering notation 2.1031903 × 10^6

Prime Factorization of 21031903

Prime Factorization 67 × 313909

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21031903
Product of the distinct prime numbers

The prime factorization of 21031903 is 67 × 313909. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031903)

Multiplication

n×y
n×2 42063806
n×3 63095709
n×4 84127612
n×5 105159515

Division

n÷y
n÷2 10515951.5
n÷3 7010634.3333333
n÷3 5257975.75
n÷5 4206380.6

Exponentiation

ny
n2 442340943801409
n3 9.3032718229597E+21
n4 1.9566551056312E+29
n5 4.115218038609E+36

Nth Root

y√n
2√n 4586.0552765967
3√n 276.03205799298
4√n 67.72041993813
5√n 29.145782121663

Divisors of 21031903

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 -21031902
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 21031903 can be divided by 4 positive divisors. The sum of these divisors (counting 21031903) is 1, the average is 0.25.

Base conversion 21031903

Base System Value
2 Binary 1010000001110101111011111
3 Ternary 1110120112100101
4 Quaternary 1100032233133
5 Quinary 20341010103
6 Senary 2030441531
8 Octal 120165737
10 Decimal 21031903
12 Duodecimal 70632a7
16 Hexadecimal 140ebdf
20 Vigesimal 6b8jf3
36 Base36 cisbj

Cryptographic Hash Functions

md5 1a6782e33ce640b0fe1fbe73c1e4f9b8
sha1 e95088bd67e4516c6829d5f866a950f9b2eed5dc
sha256 da4038b206adfb7894402ebac33bdfe68a46d798bad4005baba4d9f22562a024
sha512 de4e5dbea80f252bd8c3b73486775b4af6c0b043733a0b9bba9921aecc3a96e8db8dffbe03d3304e92927f126368fe815432cf1f4288e15da3df3d938d3cf5be
ripemd-160 31c2899507822e60b31d8ee1b824b2e98ff6b06c

21031903 as geometric shapes

Circle

Radius = n
Diameter 42063806
Circumference 132147343.91163
Area 1.3896550594285E+15

Sphere

Radius = n
Volume 3.8969453884479E+22
Surface area 5.5586202377139E+15
Circumference 132147343.91163

Square

Length = n
Perimeter 84127612
Area 442340943801409
Diagonal 29743602.465115

Cube

Length = n
Surface area 2654045662808454
Volume 9.3032718229597E+21
Space diagonal 36428324.57586

Equilateral Triangle

Length = n
Perimeter 63095709
Area 1.91539247233E+14
Altitude 18214162.28793

Triangular Pyramid

Length = n
Surface area 1.91539247233E+14
Volume 1.0964010988728E+21
Height 9914534.1550385