20447731 (number)

20447731 is an odd 8-digits composite number following 20447730 and preceding 20447732. In scientific notation, it is written as 2.0447731 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20408112 positive integers (up to 20447731) that are relatively prime to 20447731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0447731 × 10^7
Engineering notation 2.0447731 × 10^6

Prime Factorization of 20447731

Prime Factorization 523 × 39097

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20447731
Product of the distinct prime numbers

The prime factorization of 20447731 is 523 × 39097. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20447731)

Multiplication

n×y
n×2 40895462
n×3 61343193
n×4 81790924
n×5 102238655

Division

n÷y
n÷2 10223865.5
n÷3 6815910.3333333
n÷3 5111932.75
n÷5 4089546.2

Exponentiation

ny
n2 418109703048361
n3 8.5493947364228E+21
n4 1.7481572378319E+29
n5 3.5745848944889E+36

Nth Root

y√n
2√n 4521.9167396139
3√n 273.45238006207
4√n 67.245198636139
5√n 28.982044879435

Divisors of 20447731

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20447730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20447731 can be divided by 4 positive divisors. The sum of these divisors (counting 20447731) is 1, the average is 0.25.

Base conversion 20447731

Base System Value
2 Binary 1001110000000000111110011
3 Ternary 1102110212000101
4 Quaternary 1032000013303
5 Quinary 20213311411
6 Senary 2010133231
8 Octal 116000763
10 Decimal 20447731
12 Duodecimal 6a21217
16 Hexadecimal 13801f3
20 Vigesimal 67fj6b
36 Base36 c69kj

Cryptographic Hash Functions

md5 d2acc30fa19565add048a83abe49453f
sha1 85991741ec6edf1d18e448f3a5c20585b729db9b
sha256 19d5a49f0f0f8088b62c5706d2f2ba0c1c9abb1f97f6db9c613d9be8ef2f3e84
sha512 b40d97c93351706b5100d08639653168ec4d21b929dad2024f79793ff4439442c9b6ff88a1b777563ce4ed8bc23ad560f541e40bb5d8d9a32dc9f762c243c9da
ripemd-160 8118ad18930aae95c8aff40b9924656a33e59741

20447731 as geometric shapes

Circle

Radius = n
Diameter 40895462
Circumference 128476882.98436
Area 1.3135303714913E+15

Sphere

Radius = n
Volume 3.581162092878E+22
Surface area 5.2541214859654E+15
Circumference 128476882.98436

Square

Length = n
Perimeter 81790924
Area 418109703048361
Diagonal 28917458.499957

Cube

Length = n
Surface area 2508658218290166
Volume 8.5493947364228E+21
Space diagonal 35416508.991501

Equilateral Triangle

Length = n
Perimeter 61343193
Area 1.8104681220432E+14
Altitude 17708254.495751

Triangular Pyramid

Length = n
Surface area 1.8104681220432E+14
Volume 1.0075558321942E+21
Height 9639152.8333189