20391146 is an even 8-digits composite number following 20391145
and preceding 20391147 . In scientific notation, it is written as 2.0391146 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 9968640 positive integers (up to 20391146) that are relatively prime to 20391146.
20391146 has 16 divisors, whose sum is 31275720
The reverse of 20391146 is 64119302
Previous prime number is 89
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million three hundred ninety-one thousand one hundred forty-six
Scientific notation
2.0391146 × 10^7
Engineering notation
2.0391146 × 10^6
Prime Factorization
2 × 97 × 89 × 1181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20391146
Product of the distinct prime numbers
The prime factorization of 20391146 is 2 × 97 × 89 × 1181.
Since it has a total of 4 prime factors.
6 , 2 , 54 , 9 , 514 , 887 , 5047 , 5823 , 90800 , 9203 , 314504 , 128676 , 3028644 , 3722241 , 67448223 , 70983531 , 43471686 , 305614107 , 4539084243 , 3523168636
n×2
40782292
n×3
61173438
n×4
81564584
n×5
101955730
n÷2
10195573
n÷3
6797048.6666667
n÷3
5097786.5
n÷5
4078229.2
n2
415798835193316
n3
8.4786147550568E+21
n4
1.7288867134812E+29
n5
3.5253981392055E+36
2 √n
4515.6556556053
3 √n
273.19990546398
4 √n
67.198628375922
5 √n
28.965986693599
1 , 2 , 89 , 97 , 178 , 194 , 1181 , 2362 , 8633 , 17266 , 105109 , 114557 , 210218 , 229114 , 10195573 , 20391146
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
-20391145
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 20391146 can be divided by 16 positive divisors.
The sum of these divisors (counting 20391146) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110010010011101010
3
Ternary
1102100222101122
4
Quaternary
1031302103222
5
Quinary
20210004041
6
Senary
2005015242
8
Octal
115622352
10
Decimal
20391146
12
Duodecimal
69b4522
16
Hexadecimal
13724ea
20
Vigesimal
678hh6
36
Base36
c51wq
md5
46dc035d20040b3d100a539599622bdc
sha1
691740b8105570085c49eaae78f855664618d1fd
sha256
b2ef0c46d5dd84ed603ddfbe982f83b90574992f0f3876f2ce140f7c94dece07
sha512
a1a02830319751dfdf6cd2b7014d10a0e0080843e7e2c0ddf24c740c55b7685a88c972dcde05ea260455ea25f5944a8d9f3ed751cbf95ee9cb01767c97f8cebe
ripemd-160
b6bf8ca4ac314163d8397e9a44a8ed4227382e0c
Diameter
40782292
Circumference
128121348.94375
Area
1.3062705660145E+15
Volume
3.5515138436139E+22
Surface area
5.2250822640581E+15
Circumference
128121348.94375
Perimeter
81564584
Area
415798835193316
Diagonal
28837435.22553
Surface area
2494793011159896
Volume
8.4786147550568E+21
Space diagonal
35318500.896555
Perimeter
61173438
Area
1.800461770707E+14
Altitude
17659250.448277
Surface area
1.800461770707E+14
Volume
9.9921433139484E+20
Height
9612478.40851