20121903 (number)

20121903 is an odd 8-digits composite number following 20121902 and preceding 20121904. In scientific notation, it is written as 2.0121903 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 6 positive divisors. There are 13414596 positive integers (up to 20121903) that are relatively prime to 20121903.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121903 × 10^7
Engineering notation 2.0121903 × 10^6

Prime Factorization of 20121903

Prime Factorization 3 × 3 × 2235767

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 6707301
Product of the distinct prime numbers

The prime factorization of 20121903 is 3 × 3 × 2235767. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121903)

Multiplication

n×y
n×2 40243806
n×3 60365709
n×4 80487612
n×5 100609515

Division

n÷y
n÷2 10060951.5
n÷3 6707301
n÷3 5030475.75
n÷5 4024380.6

Exponentiation

ny
n2 404890980341409
n3 8.1471770320047E+21
n4 1.6393670596183E+29
n5 3.2987184955034E+36

Nth Root

y√n
2√n 4485.744419826
3√n 271.99213771247
4√n 66.975700219005
5√n 28.889086563703

Divisors of 20121903

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121902
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121903 can be divided by 6 positive divisors. The sum of these divisors (counting 20121903) is 1, the average is 0.16666666666667.

Base conversion 20121903

Base System Value
2 Binary 1001100110000100100101111
3 Ternary 1101212022001200
4 Quaternary 1030300210233
5 Quinary 20122400103
6 Senary 1555140543
8 Octal 114604457
10 Decimal 20121903
12 Duodecimal 68a4753
16 Hexadecimal 133092f
20 Vigesimal 65f4f3
36 Base36 bza5r

Cryptographic Hash Functions

md5 a71808e1cd5b52d3f294e59ce8b052df
sha1 9be870ecdc10fb38e5bb1da4e8c447131fbf7c24
sha256 c672cda4e17f0fc22543990bbee88704e99825d3bdd097f6752e1dd52748d4cb
sha512 8b9923c9a7e5300d12c96e05d044b2e1edc4549fa7a24ed278ce472976483b8a3d20b50480819b71c3d75035facc331f4bb5997bfc255388dc4d650b537b7886
ripemd-160 1676197e408b37dbd39a305ecf71c238ef6a1591

20121903 as geometric shapes

Circle

Radius = n
Diameter 40243806
Circumference 126429645.28209
Area 1.2720025293453E+15

Sphere

Radius = n
Volume 3.4126815348322E+22
Surface area 5.0880101173814E+15
Circumference 126429645.28209

Square

Length = n
Perimeter 80487612
Area 404890980341409
Diagonal 28456668.123356

Cube

Length = n
Surface area 2429345882048454
Volume 8.1471770320047E+21
Space diagonal 34852158.340973

Equilateral Triangle

Length = n
Perimeter 60365709
Area 1.7532293736942E+14
Altitude 17426079.170486

Triangular Pyramid

Length = n
Surface area 1.7532293736942E+14
Volume 9.6015402114297E+20
Height 9485556.0411186