21131903 (number)

21131903 is an odd 8-digits composite number following 21131902 and preceding 21131904. In scientific notation, it is written as 2.1131903 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 19450368 positive integers (up to 21131903) that are relatively prime to 21131903.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131903 × 10^7
Engineering notation 2.1131903 × 10^6

Prime Factorization of 21131903

Prime Factorization 13 × 379 × 4289

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21131903
Product of the distinct prime numbers

The prime factorization of 21131903 is 13 × 379 × 4289. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131903)

Multiplication

n×y
n×2 42263806
n×3 63395709
n×4 84527612
n×5 105659515

Division

n÷y
n÷2 10565951.5
n÷3 7043967.6666667
n÷3 5282975.75
n÷5 4226380.6

Exponentiation

ny
n2 446557324401409
n3 9.4366060631901E+21
n4 1.9941344397655E+29
n5 4.2139855550083E+36

Nth Root

y√n
2√n 4596.9449637776
3√n 276.46884796302
4√n 67.800774064737
5√n 29.173445341837

Divisors of 21131903

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 -21131902
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 21131903 can be divided by 8 positive divisors. The sum of these divisors (counting 21131903) is 1, the average is 0.125.

Base conversion 21131903

Base System Value
2 Binary 1010000100111001001111111
3 Ternary 1110202121112002
4 Quaternary 1100213021333
5 Quinary 20402210103
6 Senary 2032532515
8 Octal 120471177
10 Decimal 21131903
12 Duodecimal 70b113b
16 Hexadecimal 142727f
20 Vigesimal 6c19f3
36 Base36 ckxhb

Cryptographic Hash Functions

md5 6278e84e713eb41ac6f8f5c3ab360933
sha1 fb6f7cc4c7e372a19e8fa7ffe210795f0336be66
sha256 9bf769770c95cf547897052f5325d0f357c995bcf3e4f8ad40ace44fc51caaeb
sha512 c23ec5bb4c755f045d8ff69fb3a1aacf10c92e25ac83589dc0d75fb48d8dcc96dd52f50f3bdf1d1917f16373cdbfe5e6bd3b32861a5d4a5a8ef302d81a46dba8
ripemd-160 d6b478740711ad1b0e7ae396e99adcd5e61ff12b

21131903 as geometric shapes

Circle

Radius = n
Diameter 42263806
Circumference 132775662.44234
Area 1.4029012097462E+15

Sphere

Radius = n
Volume 3.9527963043919E+22
Surface area 5.6116048389847E+15
Circumference 132775662.44234

Square

Length = n
Perimeter 84527612
Area 446557324401409
Diagonal 29885023.821353

Cube

Length = n
Surface area 2679343946408454
Volume 9.4366060631901E+21
Space diagonal 36601529.656617

Equilateral Triangle

Length = n
Perimeter 63395709
Area 1.9336499358881E+14
Altitude 18300764.828309

Triangular Pyramid

Length = n
Surface area 1.9336499358881E+14
Volume 1.112114689778E+21
Height 9961674.6071176