20970131 is an odd 8-digits composite number following 20970130
and preceding 20970132 . In scientific notation, it is written as 2.0970131 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors.
There are 16235424 positive integers (up to 20970131) that are relatively prime to 20970131.
20970131 has 16 divisors, whose sum is 26363904
The reverse of 20970131 is 13107902
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million nine hundred seventy thousand one hundred thirty-one
Scientific notation
2.0970131 × 10^7
Engineering notation
2.0970131 × 10^6
Prime Factorization
7 × 13 × 47 × 4903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20970131
Product of the distinct prime numbers
The prime factorization of 20970131 is 7 × 13 × 47 × 4903.
Since it has a total of 4 prime factors.
3 , 9 , 22 , 23 , 718 , 602 , 735 , 2199 , 32526 , 60241 , 906865 , 49021 , 9311233 , 5193963 , 35979012 , 43125823 , 525498222 , 726468475 , 8019082136 , 9102828016
n×2
41940262
n×3
62910393
n×4
83880524
n×5
104850655
n÷2
10485065.5
n÷3
6990043.6666667
n÷3
5242532.75
n÷5
4194026.2
n2
439746394157161
n3
9.2215394922533E+21
n4
1.9337689117423E+29
n5
4.0551387402962E+36
2 √n
4579.315560212
3 √n
275.76155191292
4 √n
67.670640311822
5 √n
29.128641379479
1 , 7 , 13 , 47 , 91 , 329 , 611 , 4277 , 4903 , 34321 , 63739 , 230441 , 446173 , 1613087 , 2995733 , 20970131
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20970130
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20970131 can be divided by 16 positive divisors.
The sum of these divisors (counting 20970131) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111111111101010010011
3
Ternary
1110110101121112
4
Quaternary
1033333222103
5
Quinary
20332021011
6
Senary
2025243535
8
Octal
117775223
10
Decimal
20970131
12
Duodecimal
70335ab
16
Hexadecimal
13ffa93
20
Vigesimal
6b156b
36
Base36
chgnn
md5
967769eed1e3695f83c67bffec40c3e6
sha1
0d2eb3a141326f107ee3a968d34953c8ebc61163
sha256
a2f0fdd6d33d0128e1ee7555ffe88b19f0705abc1fefef133f0a2122e8bcb350
sha512
5e94475ccac7e12c8164e59b1f43c207f32be2602f0e70d8b8247576f8b21234d8cd94963e774e55c406177f840d0dd4e6091529c12f4ce9ac8e1e17c2775647
ripemd-160
5f39807dcc7c9094c732ccd124a621b14118e630
Diameter
41940262
Circumference
131759218.98883
Area
1.3815040413267E+15
Volume
3.8627094298201E+22
Surface area
5.526016165307E+15
Circumference
131759218.98883
Perimeter
83880524
Area
439746394157161
Diagonal
29656243.66494
Surface area
2638478364942966
Volume
9.2215394922533E+21
Space diagonal
36321332.333375
Perimeter
62910393
Area
1.9041577428135E+14
Altitude
18160666.166688
Surface area
1.9041577428135E+14
Volume
1.0867688513253E+21
Height
9885414.5549802