20309871 (number)

20309871 is an odd 8-digits composite number following 20309870 and preceding 20309872. In scientific notation, it is written as 2.0309871 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 13539912 positive integers (up to 20309871) that are relatively prime to 20309871.

Interesting facts

Basic properties

Name

Name twenty million three hundred nine thousand eight hundred seventy-one

Notation

Scientific notation 2.0309871 × 10^7
Engineering notation 2.0309871 × 10^6

Prime Factorization of 20309871

Prime Factorization 3 × 6769957

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20309871
Product of the distinct prime numbers

The prime factorization of 20309871 is 3 × 6769957. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20309871)

Multiplication

n×y
n×2 40619742
n×3 60929613
n×4 81239484
n×5 101549355

Division

n÷y
n÷2 10154935.5
n÷3 6769957
n÷3 5077467.75
n÷5 4061974.2

Exponentiation

ny
n2 412490860036641
n3 8.3776361560232E+21
n4 1.7014870961377E+29
n5 3.4556983430721E+36

Nth Root

y√n
2√n 4506.6474235289
3√n 272.83644888554
4√n 67.131568010355
5√n 28.942859274146

Divisors of 20309871

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 -20309870
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 20309871 can be divided by 4 positive divisors. The sum of these divisors (counting 20309871) is 1, the average is 0.25.

Base conversion 20309871

Base System Value
2 Binary 1001101011110011101101111
3 Ternary 1102012211220110
4 Quaternary 1031132131233
5 Quinary 20144403441
6 Senary 2003151103
8 Octal 115363557
10 Decimal 20309871
12 Duodecimal 6975493
16 Hexadecimal 135e76f
20 Vigesimal 66iedb
36 Base36 c3b73

Cryptographic Hash Functions

md5 98726ac700d9e38e238bae21e9c03df4
sha1 dfbec155870ecf9dc773521e5cecd7e653c8e617
sha256 3116cbe1178a33df9d3f6e6182dfadf824a9f7f406693369b08e3fd1a8955e84
sha512 a04d47ba01e8db2085c6eedef9eb2d5e1a446c710364f76f2fcbcb3e845736ede8ec106a3a0231c5fc6e3f126acc89fd9822fa0d3ef1e3bc2321af618c318a79
ripemd-160 686d7d4a2448c2317c53c3b46a459423e594dfa6

20309871 as geometric shapes

Circle

Radius = n
Diameter 40619742
Circumference 127610683.05791
Area 1.295878255564E+15

Sphere

Radius = n
Volume 3.5092160269614E+22
Surface area 5.1835130222562E+15
Circumference 127610683.05791

Square

Length = n
Perimeter 81239484
Area 412490860036641
Diagonal 28722495.018248

Cube

Length = n
Surface area 2474945160219846
Volume 8.3776361560232E+21
Space diagonal 35177728.46717

Equilateral Triangle

Length = n
Perimeter 60929613
Area 1.7861378181031E+14
Altitude 17588864.233585

Triangular Pyramid

Length = n
Surface area 1.7861378181031E+14
Volume 9.8731388937294E+20
Height 9574165.0060827