21006903 (number)

21006903 is an odd 8-digits composite number following 21006902 and preceding 21006904. In scientific notation, it is written as 2.1006903 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 13926008 positive integers (up to 21006903) that are relatively prime to 21006903.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred three

Notation

Scientific notation 2.1006903 × 10^7
Engineering notation 2.1006903 × 10^6

Prime Factorization of 21006903

Prime Factorization 3 × 179 × 39119

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21006903
Product of the distinct prime numbers

The prime factorization of 21006903 is 3 × 179 × 39119. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006903)

Multiplication

n×y
n×2 42013806
n×3 63020709
n×4 84027612
n×5 105034515

Division

n÷y
n÷2 10503451.5
n÷3 7002301
n÷3 5251725.75
n÷5 4201380.6

Exponentiation

ny
n2 441289973651409
n3 9.2701356713677E+21
n4 1.9473684084526E+29
n5 4.0908179261628E+36

Nth Root

y√n
2√n 4583.328812119
3√n 275.92264425271
4√n 67.700286647244
5√n 29.138849879273

Divisors of 21006903

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 -21006902
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 21006903 can be divided by 8 positive divisors. The sum of these divisors (counting 21006903) is 1, the average is 0.125.

Base conversion 21006903

Base System Value
2 Binary 1010000001000101000110111
3 Ternary 1110112021001110
4 Quaternary 1100020220313
5 Quinary 20334210103
6 Senary 2030130103
8 Octal 120105067
10 Decimal 21006903
12 Duodecimal 7050933
16 Hexadecimal 1408a37
20 Vigesimal 6b5h53
36 Base36 ci913

Cryptographic Hash Functions

md5 014b748a5826c77de5d8c017e1d74c31
sha1 3482609b40de5fde71c45f84679617a733ba89ac
sha256 56566734468c343f98f3b92818263df05352447103ffcf356dfe0cb7bddf9b29
sha512 c3f75749408ab644fecf67936a5e9fb0cd672d4200bdd1fa030d0e56d952ca4a84b0b8780c87eefe339a873138a18135d124b0486efab64df7085e564e5fb576
ripemd-160 2dc165bb801a059236e91545e974d582003eb1bf

21006903 as geometric shapes

Circle

Radius = n
Diameter 42013806
Circumference 131990264.27895
Area 1.3863533393261E+15

Sphere

Radius = n
Volume 3.8830653497266E+22
Surface area 5.5454133573044E+15
Circumference 131990264.27895

Square

Length = n
Perimeter 84027612
Area 441289973651409
Diagonal 29708247.126056

Cube

Length = n
Surface area 2647739841908454
Volume 9.2701356713677E+21
Space diagonal 36385023.305671

Equilateral Triangle

Length = n
Perimeter 63020709
Area 1.9108416380874E+14
Altitude 18192511.652836

Triangular Pyramid

Length = n
Surface area 1.9108416380874E+14
Volume 1.0924959659572E+21
Height 9902749.0420187