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.
20309871 has 4 divisors, whose sum is 27079832
The reverse of 20309871 is 17890302
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million three hundred nine thousand eight hundred seventy-one
Scientific notation
2.0309871 × 10^7
Engineering notation
2.0309871 × 10^6
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.
2 , 10 , 6 , 26 , 253 , 451 , 7862 , 2119 , 63406 , 12980 , 925818 , 895905 , 7390086 , 4646873 , 18767035 , 43467159 , 299672976 , 927005109 , 9314037039 , 7253498665
n×2
40619742
n×3
60929613
n×4
81239484
n×5
101549355
n÷2
10154935.5
n÷3
6769957
n÷3
5077467.75
n÷5
4061974.2
n2
412490860036641
n3
8.3776361560232E+21
n4
1.7014870961377E+29
n5
3.4556983430721E+36
2 √n
4506.6474235289
3 √n
272.83644888554
4 √n
67.131568010355
5 √n
28.942859274146
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
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
md5
98726ac700d9e38e238bae21e9c03df4
sha1
dfbec155870ecf9dc773521e5cecd7e653c8e617
sha256
3116cbe1178a33df9d3f6e6182dfadf824a9f7f406693369b08e3fd1a8955e84
sha512
a04d47ba01e8db2085c6eedef9eb2d5e1a446c710364f76f2fcbcb3e845736ede8ec106a3a0231c5fc6e3f126acc89fd9822fa0d3ef1e3bc2321af618c318a79
ripemd-160
686d7d4a2448c2317c53c3b46a459423e594dfa6
Diameter
40619742
Circumference
127610683.05791
Area
1.295878255564E+15
Volume
3.5092160269614E+22
Surface area
5.1835130222562E+15
Circumference
127610683.05791
Perimeter
81239484
Area
412490860036641
Diagonal
28722495.018248
Surface area
2474945160219846
Volume
8.3776361560232E+21
Space diagonal
35177728.46717
Perimeter
60929613
Area
1.7861378181031E+14
Altitude
17588864.233585
Surface area
1.7861378181031E+14
Volume
9.8731388937294E+20
Height
9574165.0060827