20731408 (number)

20731408 is an even 8-digits composite number following 20731407 and preceding 20731409. In scientific notation, it is written as 2.0731408 × 10^7. The sum of its digits is 25. It has a total of 7 prime factors and 40 positive divisors. There are 10044672 positive integers (up to 20731408) that are relatively prime to 20731408.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731408 × 10^7
Engineering notation 2.0731408 × 10^6

Prime Factorization of 20731408

Prime Factorization 2 × 2 × 2 × 2 × 67 × 83 × 233

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2591426
Product of the distinct prime numbers

The prime factorization of 20731408 is 2 × 2 × 2 × 2 × 67 × 83 × 233. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731408)

Multiplication

n×y
n×2 41462816
n×3 62194224
n×4 82925632
n×5 103657040

Division

n÷y
n÷2 10365704
n÷3 6910469.3333333
n÷3 5182852
n÷5 4146281.6

Exponentiation

ny
n2 429791277662464
n3 8.9101783320618E+21
n4 1.8472054235473E+29
n5 3.8295169295373E+36

Nth Root

y√n
2√n 4553.1755951204
3√n 274.71113690157
4√n 67.477222787548
5√n 29.062017486614

Divisors of 20731408

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20731407
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20731408 can be divided by 40 positive divisors. The sum of these divisors (counting 20731408) is 1, the average is 0.025.

Base conversion 20731408

Base System Value
2 Binary 1001111000101011000010000
3 Ternary 1110000021010221
4 Quaternary 1033011120100
5 Quinary 20301401113
6 Senary 2020202424
8 Octal 117053020
10 Decimal 20731408
12 Duodecimal 6b39414
16 Hexadecimal 13c5610
20 Vigesimal 69b8a8
36 Base36 cccgg

Cryptographic Hash Functions

md5 902a3eabe34032527fc722c3770540dd
sha1 53075e11b5133efdeb0d143f3d886858a5aec92e
sha256 741694bd09e04b3b09300f4dd8d8ca4ce2daf7f3f3a9a381af5acb772fdcd777
sha512 b451fd99cada6c58bad45949216129ab51b96e36d3aef2d4de7e5d75a10de107587df2ff6e051b916cc5c04e274fa0e831ef9c3d4889dacba316a7327beb7d54
ripemd-160 47865dff9484b3220074f534f003122c842df78e

20731408 as geometric shapes

Circle

Radius = n
Diameter 41462816
Circumference 130259278.14275
Area 1.3502291204814E+15

Sphere

Radius = n
Volume 3.7322867720241E+22
Surface area 5.4009164819255E+15
Circumference 130259278.14275

Square

Length = n
Perimeter 82925632
Area 429791277662464
Diagonal 29318638.36069

Cube

Length = n
Surface area 2578747665974784
Volume 8.9101783320618E+21
Space diagonal 35907851.96844

Equilateral Triangle

Length = n
Perimeter 62194224
Area 1.8610508239033E+14
Altitude 17953925.98422

Triangular Pyramid

Length = n
Surface area 1.8610508239033E+14
Volume 1.0500745866971E+21
Height 9772879.4535634