20731938 (number)

20731938 is an even 8-digits composite number following 20731937 and preceding 20731939. In scientific notation, it is written as 2.0731938 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 6910644 positive integers (up to 20731938) that are relatively prime to 20731938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731938 × 10^7
Engineering notation 2.0731938 × 10^6

Prime Factorization of 20731938

Prime Factorization 2 × 3 × 3455323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731938
Product of the distinct prime numbers

The prime factorization of 20731938 is 2 × 3 × 3455323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731938)

Multiplication

n×y
n×2 41463876
n×3 62195814
n×4 82927752
n×5 103659690

Division

n÷y
n÷2 10365969
n÷3 6910646
n÷3 5182984.5
n÷5 4146387.6

Exponentiation

ny
n2 429813253235844
n3 8.9108617176638E+21
n4 1.8473943265718E+29
n5 3.8300064640038E+36

Nth Root

y√n
2√n 4553.2337958862
3√n 274.71347788523
4√n 67.477654048479
5√n 29.062166079625

Divisors of 20731938

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 -20731937
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 20731938 can be divided by 8 positive divisors. The sum of these divisors (counting 20731938) is 1, the average is 0.125.

Base conversion 20731938

Base System Value
2 Binary 1001111000101100000100010
3 Ternary 1110000021212120
4 Quaternary 1033011200202
5 Quinary 20301410223
6 Senary 2020205110
8 Octal 117054042
10 Decimal 20731938
12 Duodecimal 6b39796
16 Hexadecimal 13c5822
20 Vigesimal 69b9gi
36 Base36 cccv6

Cryptographic Hash Functions

md5 5cb37c03a88c36fc651976b03cc0d975
sha1 9b1f65645d65b8a0d062477885f15efc03e93443
sha256 8777796c1b417ab3bbc6f87c4638a7bcd4eb3e315e16a0b424abe038da905323
sha512 56e7b330796916773968313e0d99c8bad6a6ceba46087f8a89749d393754d2269aaf6bff0139d9ebd5c7de59d4d94fef3db7cc6ea65bb0079fb128bf5ed05d02
ripemd-160 f9b70366256c77cb6ad443ccfe8270e05c31e558

20731938 as geometric shapes

Circle

Radius = n
Diameter 41463876
Circumference 130262608.23096
Area 1.3502981587813E+15

Sphere

Radius = n
Volume 3.7325730279156E+22
Surface area 5.401192635125E+15
Circumference 130262608.23096

Square

Length = n
Perimeter 82927752
Area 429813253235844
Diagonal 29319387.893878

Cube

Length = n
Surface area 2578879519415064
Volume 8.9108617176638E+21
Space diagonal 35908769.955368

Equilateral Triangle

Length = n
Perimeter 62195814
Area 1.8611459809274E+14
Altitude 17954384.977684

Triangular Pyramid

Length = n
Surface area 1.8611459809274E+14
Volume 1.0501551244626E+21
Height 9773129.2979594