21609938 (number)

21609938 is an even 8-digits composite number following 21609937 and preceding 21609939. In scientific notation, it is written as 2.1609938 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9246480 positive integers (up to 21609938) that are relatively prime to 21609938.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred nine thousand nine hundred thirty-eight

Notation

Scientific notation 2.1609938 × 10^7
Engineering notation 2.1609938 × 10^6

Prime Factorization of 21609938

Prime Factorization 2 × 7 × 1307 × 1181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21609938
Product of the distinct prime numbers

The prime factorization of 21609938 is 2 × 7 × 1307 × 1181. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21609938)

Multiplication

n×y
n×2 43219876
n×3 64829814
n×4 86439752
n×5 108049690

Division

n÷y
n÷2 10804969
n÷3 7203312.6666667
n÷3 5402484.5
n÷5 4321987.6

Exponentiation

ny
n2 466989420363844
n3 1.0091612420719E+22
n4 2.1807911873176E+29
n5 4.712676234888E+36

Nth Root

y√n
2√n 4648.6490510685
3√n 278.53803468087
4√n 68.181002127194
5√n 29.304256305945

Divisors of 21609938

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21609937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21609938 can be divided by 16 positive divisors. The sum of these divisors (counting 21609938) is 1, the average is 0.0625.

Base conversion 21609938

Base System Value
2 Binary 1010010011011110111010010
3 Ternary 1111122220021002
4 Quaternary 1102123313102
5 Quinary 21013004223
6 Senary 2051102002
8 Octal 122336722
10 Decimal 21609938
12 Duodecimal 72a1902
16 Hexadecimal 149bdd2
20 Vigesimal 6f14gi
36 Base36 cv6c2

Cryptographic Hash Functions

md5 0f8d614ec6adde0c32ef65b30f85b02d
sha1 5e64d35dc8ef99d656301668ed95f9bd70e1cf4a
sha256 e156378b7dfba2fe3e3c671a1739f6560324973837450efdd1fb2e60e34fcfc0
sha512 f6bf5af24b9a4c43b96ff22dd87ee91c757ab67c76f77c242e6bbea211e44e14c31dd4dc0954f073296ee6b8ce53d61eb609aabce264a20326ba71880aee8325
ripemd-160 d4934f669a3ba771cfb9980c3f7820dd7d26663a

21609938 as geometric shapes

Circle

Radius = n
Diameter 43219876
Circumference 135779244.93066
Area 1.4670905323192E+15

Sphere

Radius = n
Volume 4.2271647258407E+22
Surface area 5.8683621292768E+15
Circumference 135779244.93066

Square

Length = n
Perimeter 86439752
Area 466989420363844
Diagonal 30561067.401642

Cube

Length = n
Surface area 2801936522183064
Volume 1.0091612420719E+22
Space diagonal 37429510.564413

Equilateral Triangle

Length = n
Perimeter 64829814
Area 2.0221235066683E+14
Altitude 18714755.282207

Triangular Pyramid

Length = n
Surface area 2.0221235066683E+14
Volume 1.1893079292994E+21
Height 10187022.467214