20731807 (number)

20731807 is an odd 8-digits composite number following 20731806 and preceding 20731808. In scientific notation, it is written as 2.0731807 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 20604456 positive integers (up to 20731807) that are relatively prime to 20731807.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0731807 × 10^7
Engineering notation 2.0731807 × 10^6

Prime Factorization of 20731807

Prime Factorization 163 × 127189

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20731807
Product of the distinct prime numbers

The prime factorization of 20731807 is 163 × 127189. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20731807)

Multiplication

n×y
n×2 41463614
n×3 62195421
n×4 82927228
n×5 103659035

Division

n÷y
n÷2 10365903.5
n÷3 6910602.3333333
n÷3 5182951.75
n÷5 4146361.4

Exponentiation

ny
n2 429807821485249
n3 8.9106928021226E+21
n4 1.847347634099E+29
n5 3.8298854612046E+36

Nth Root

y√n
2√n 4553.2194104831
3√n 274.71289926845
4√n 67.477547454565
5√n 29.062129352202

Divisors of 20731807

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 -20731806
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 20731807 can be divided by 4 positive divisors. The sum of these divisors (counting 20731807) is 1, the average is 0.25.

Base conversion 20731807

Base System Value
2 Binary 1001111000101011110011111
3 Ternary 1110000021200201
4 Quaternary 1033011132133
5 Quinary 20301404212
6 Senary 2020204331
8 Octal 117053637
10 Decimal 20731807
12 Duodecimal 6b396a7
16 Hexadecimal 13c579f
20 Vigesimal 69b9a7
36 Base36 cccrj

Cryptographic Hash Functions

md5 310980ff2affa77987d6043a9e066988
sha1 33b049c9af67f7edc13398b045e2775fa731e69b
sha256 5e27beabcbc83d9c490ade2734fbad66d0336f9a58653e7d5dcc34c7f370ecf2
sha512 96093bb4f865b8573f56d12599a9e92788299cc7c421c89fbc94ff12850a5b3fc0b0b0cc6d28c4a1a07553e391ecc141c5c6b48104682dac0e9dabe58fa763ad
ripemd-160 477e3fd4004048a53862e72b170179478c55fb5b

20731807 as geometric shapes

Circle

Radius = n
Diameter 41463614
Circumference 130261785.13368
Area 1.3502810944335E+15

Sphere

Radius = n
Volume 3.7325022727392E+22
Surface area 5.401124377734E+15
Circumference 130261785.13368

Square

Length = n
Perimeter 82927228
Area 429807821485249
Diagonal 29319202.631901

Cube

Length = n
Surface area 2578846928911494
Volume 8.9106928021226E+21
Space diagonal 35908543.056712

Equilateral Triangle

Length = n
Perimeter 62195421
Area 1.8611224607574E+14
Altitude 17954271.528356

Triangular Pyramid

Length = n
Surface area 1.8611224607574E+14
Volume 1.0501352175752E+21
Height 9773067.5439672