21239938 (number)

21239938 is an even 8-digits composite number following 21239937 and preceding 21239939. In scientific notation, it is written as 2.1239938 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10461396 positive integers (up to 21239938) that are relatively prime to 21239938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1239938 × 10^7
Engineering notation 2.1239938 × 10^6

Prime Factorization of 21239938

Prime Factorization 2 × 67 × 158507

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21239938
Product of the distinct prime numbers

The prime factorization of 21239938 is 2 × 67 × 158507. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 38, 12, 159, 851, 2627, 2968, 9598, 89790, 812986, 441835, 3542809, 4524015, 88039000, 26188089, 466047998, 47329560, 5542292376, 9446840895

Basic calculations (n = 21239938)

Multiplication

n×y
n×2 42479876
n×3 63719814
n×4 84959752
n×5 106199690

Division

n÷y
n÷2 10619969
n÷3 7079979.3333333
n÷3 5309984.5
n÷5 4247987.6

Exponentiation

ny
n2 451134966243844
n3 9.5820787126513E+21
n4 2.0352275776783E+29
n5 4.3228107565778E+36

Nth Root

y√n
2√n 4608.6807222892
3√n 276.9391882562
4√n 67.887264801943
5√n 29.203213864273

Divisors of 21239938

1, 2, 67, 134, 158507, 317014, 10619969, 21239938

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 -21239937
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 21239938 can be divided by 8 positive divisors. The sum of these divisors (counting 21239938) is 1, the average is 0.125.

Base conversion 21239938

Base System Value
2 Binary 1010001000001100010000010
3 Ternary 1110222002201101
4 Quaternary 1101001202002
5 Quinary 20414134223
6 Senary 2035125014
8 Octal 121014202
10 Decimal 21239938
12 Duodecimal 714376a
16 Hexadecimal 1441882
20 Vigesimal 6cejgi
36 Base36 cn8ua

Cryptographic Hash Functions

md5 590c0e57aedeb914312a17c929d3607e
sha1 3c6da71ed4ce2634373083664e467aca694e7795
sha256 aac8304715ea9b46053787fc03206c6feffd9441b575b0205a7f7e6be67a89bd
sha512 780716d91bf32ed2dafc9fd5e2e666502d541cc228c1d21dd66b650f04a37a9cdb355449a9598cbbd49e1ec834322a5460a34d39dce92c936e1f9e753a961e37
ripemd-160 aaf92049e0ee66b0bb1cd2c8383922e11b970e58

21239938 as geometric shapes

Circle

Radius = n
Diameter 42479876
Circumference 133454466.36701
Area 1.4172822957291E+15

Sphere

Radius = n
Volume 4.0137317453046E+22
Surface area 5.6691291829166E+15
Circumference 133454466.36701

Square

Length = n
Perimeter 84959752
Area 451134966243844
Diagonal 30037808.383564

Cube

Length = n
Surface area 2706809797463064
Volume 9.5820787126513E+21
Space diagonal 36788651.765613

Equilateral Triangle

Length = n
Perimeter 63719814
Area 1.953471706513E+14
Altitude 18394325.882806

Triangular Pyramid

Length = n
Surface area 1.953471706513E+14
Volume 1.1292588059298E+21
Height 10012602.794521