20169978 is an even 8-digits composite number following 20169977
and preceding 20169979 . In scientific notation, it is written as 2.0169978 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6707456 positive integers (up to 20169978) that are relatively prime to 20169978.
20169978 has 16 divisors, whose sum is 40435200
The reverse of 20169978 is 87996102
Previous prime number is 449
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million one hundred sixty-nine thousand nine hundred seventy-eight
Scientific notation
2.0169978 × 10^7
Engineering notation
2.0169978 × 10^6
Prime Factorization
2 × 3 × 449 × 7487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20169978
Product of the distinct prime numbers
The prime factorization of 20169978 is 2 × 3 × 449 × 7487.
Since it has a total of 4 prime factors.
6 , 1 , 8 , 87 , 153 , 263 , 1830 , 6241 , 89987 , 34724 , 868215 , 417779 , 3847353 , 57868 , 94724914 , 8537585 , 249044842 , 182012363 , 5748512121 , 370511518
n×2
40339956
n×3
60509934
n×4
80679912
n×5
100849890
n÷2
10084989
n÷3
6723326
n÷3
5042494.5
n÷5
4033995.6
n2
406828012520484
n3
8.2057120623219E+21
n4
1.6550903177137E+29
n5
3.3383135296298E+36
2 √n
4491.0998652891
3 √n
272.20857884019
4 √n
67.015668804311
5 √n
28.902877679321
1 , 2 , 3 , 6 , 449 , 898 , 1347 , 2694 , 7487 , 14974 , 22461 , 44922 , 3361663 , 6723326 , 10084989 , 20169978
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
-20169977
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 20169978 can be divided by 16 positive divisors.
The sum of these divisors (counting 20169978) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111100010011111010
3
Ternary
1101221202000020
4
Quaternary
1030330103322
5
Quinary
20130414403
6
Senary
2000151310
8
Octal
114742372
10
Decimal
20169978
12
Duodecimal
6908536
16
Hexadecimal
133c4fa
20
Vigesimal
6614ii
36
Base36
c0b96
md5
3eaac8cb1c37f88644a9798025108c1a
sha1
a806d4499fc08ddf03db98bedb68aacf151bcf8f
sha256
5e25158fe589cff6b970565f1c6fb2fd10db99e970de77fc679b8e343e61455a
sha512
04931ce197106551080494eb2a167a3364eb1b7c4de70b4422088a4011507056513092d83f3aa9d05a0c68b1478d55295ef4ca3626983f65931d3c15b1d246c3
ripemd-160
65a2c26c77a8f84f0143073bea6c85f0a16e983e
Diameter
40339956
Circumference
126731709.41574
Area
1.2780878954089E+15
Volume
3.4372006309951E+22
Surface area
5.1123515816356E+15
Circumference
126731709.41574
Perimeter
80679912
Area
406828012520484
Diagonal
28524656.440367
Surface area
2440968075122904
Volume
8.2057120623219E+21
Space diagonal
34935426.683546
Perimeter
60509934
Area
1.7616169690694E+14
Altitude
17467713.341773
Surface area
1.7616169690694E+14
Volume
9.6705244062201E+20
Height
9508218.8134557