21403906 (number)

21403906 is an even 8-digits composite number following 21403905 and preceding 21403907. In scientific notation, it is written as 2.1403906 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 10639920 positive integers (up to 21403906) that are relatively prime to 21403906.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1403906 × 10^7
Engineering notation 2.1403906 × 10^6

Prime Factorization of 21403906

Prime Factorization 2 × 173 × 61861

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21403906
Product of the distinct prime numbers

The prime factorization of 21403906 is 2 × 173 × 61861. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21403906)

Multiplication

n×y
n×2 42807812
n×3 64211718
n×4 85615624
n×5 107019530

Division

n÷y
n÷2 10701953
n÷3 7134635.3333333
n÷3 5350976.5
n÷5 4280781.2

Exponentiation

ny
n2 458127192056836
n3 9.8057113548285E+21
n4 2.0988052410188E+29
n5 4.4922630091074E+36

Nth Root

y√n
2√n 4626.4355609908
3√n 277.65000033673
4√n 68.017906179114
5√n 29.248163849758

Divisors of 21403906

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 -21403905
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 21403906 can be divided by 8 positive divisors. The sum of these divisors (counting 21403906) is 1, the average is 0.125.

Base conversion 21403906

Base System Value
2 Binary 1010001101001100100000010
3 Ternary 1111021102122021
4 Quaternary 1101221210002
5 Quinary 20434411111
6 Senary 2042432054
8 Octal 121514402
10 Decimal 21403906
12 Duodecimal 720262a
16 Hexadecimal 1469902
20 Vigesimal 6df9f6
36 Base36 cqrcy

Cryptographic Hash Functions

md5 e694d141a7125c922b094b4e12b88e32
sha1 82f3fda29d72292c801dec45c32b8557ccc1fa5e
sha256 2fb4bedfb9cd33803102a70819e13218645cf5555a1de4a1ba98d17f68c251e5
sha512 1791565ddb7a637870201553daaf4340160afbaeeb9c01f912e272bb56f1ccdfbf5bbb65862c40bf5c1b1ab5d5a7339a4e2f912120e4a7e4688f3bd7491a6c7e
ripemd-160 26f6f8674505cae76fc5ca1e389bc14e42dd996b

21403906 as geometric shapes

Circle

Radius = n
Diameter 42807812
Circumference 134484707.69545
Area 1.4392490209755E+15

Sphere

Radius = n
Volume 4.1074067674068E+22
Surface area 5.7569960839019E+15
Circumference 134484707.69545

Square

Length = n
Perimeter 85615624
Area 458127192056836
Diagonal 30269694.152959

Cube

Length = n
Surface area 2748763152341016
Volume 9.8057113548285E+21
Space diagonal 37072652.672428

Equilateral Triangle

Length = n
Perimeter 64211718
Area 1.9837489324283E+14
Altitude 18536326.336214

Triangular Pyramid

Length = n
Surface area 1.9837489324283E+14
Volume 1.1556141655595E+21
Height 10089898.050986