20731438 (number)

20731438 is an even 8-digits composite number following 20731437 and preceding 20731439. In scientific notation, it is written as 2.0731438 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 8201376 positive integers (up to 20731438) that are relatively prime to 20731438.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731438 × 10^7
Engineering notation 2.0731438 × 10^6

Prime Factorization of 20731438

Prime Factorization 2 × 91 × 113909

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20731438
Product of the distinct prime numbers

The prime factorization of 20731438 is 2 × 91 × 113909. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731438)

Multiplication

n×y
n×2 41462876
n×3 62194314
n×4 82925752
n×5 103657190

Division

n÷y
n÷2 10365719
n÷3 6910479.3333333
n÷3 5182859.5
n÷5 4146287.6

Exponentiation

ny
n2 429792521547844
n3 8.9102170133328E+21
n4 1.8472161157845E+29
n5 3.8295446376988E+36

Nth Root

y√n
2√n 4553.1788895232
3√n 274.71126941115
4√n 67.477247198765
5√n 29.06202589762

Divisors of 20731438

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 -20731437
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 20731438 can be divided by 8 positive divisors. The sum of these divisors (counting 20731438) is 1, the average is 0.125.

Base conversion 20731438

Base System Value
2 Binary 1001111000101011000101110
3 Ternary 1110000021012001
4 Quaternary 1033011120232
5 Quinary 20301401223
6 Senary 2020202514
8 Octal 117053056
10 Decimal 20731438
12 Duodecimal 6b3943a
16 Hexadecimal 13c562e
20 Vigesimal 69b8bi
36 Base36 cccha

Cryptographic Hash Functions

md5 caa92d477be4961aaea15fff64fdb65c
sha1 f2e989011a9442bf2c9e20a8f1bf99002f1eb981
sha256 e651101d8a39ea203d2a8eac4863a2b10df72971bf932f1d49859b45cdfd221d
sha512 2077bbf390a4f1175b653597beb2d6565aebce54720307a793e1fded807dd6a70b8c6c3abceca58275f47601349ff505a2976e95ca30f8794e96fb78aef7d35e
ripemd-160 0fab397f823867eb99110d9cdd01c3a89045cce0

20731438 as geometric shapes

Circle

Radius = n
Diameter 41462876
Circumference 130259466.6383
Area 1.3502330282625E+15

Sphere

Radius = n
Volume 3.7323029747969E+22
Surface area 5.4009321130502E+15
Circumference 130259466.6383

Square

Length = n
Perimeter 82925752
Area 429792521547844
Diagonal 29318680.787097

Cube

Length = n
Surface area 2578755129287064
Volume 8.9102170133328E+21
Space diagonal 35907903.929964

Equilateral Triangle

Length = n
Perimeter 62194314
Area 1.861056210085E+14
Altitude 17953951.964982

Triangular Pyramid

Length = n
Surface area 1.861056210085E+14
Volume 1.0500791453286E+21
Height 9772893.595699