20179749 is an odd 8-digits composite number following 20179748
and preceding 20179750 . In scientific notation, it is written as 2.0179749 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 13059840 positive integers (up to 20179749) that are relatively prime to 20179749.
20179749 has 16 divisors, whose sum is 27699840
The reverse of 20179749 is 94797102
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million one hundred seventy-nine thousand seven hundred forty-nine
Scientific notation
2.0179749 × 10^7
Engineering notation
2.0179749 × 10^6
Prime Factorization
3 × 41 × 359 × 457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20179749
Product of the distinct prime numbers
The prime factorization of 20179749 is 3 × 41 × 359 × 457.
Since it has a total of 4 prime factors.
9 , 2 , 18 , 5 , 969 , 375 , 2041 , 5894 , 85907 , 59593 , 759272 , 854462 , 5144963 , 78335 , 45238510 , 36747424 , 771251198 , 272463841 , 587747263 , 1870190533
n×2
40359498
n×3
60539247
n×4
80718996
n×5
100898745
n÷2
10089874.5
n÷3
6726583
n÷3
5044937.25
n÷5
4035949.8
n2
407222269703001
n3
8.2176431898169E+21
n4
1.6582997694206E+29
n5
3.3464073113666E+36
2 √n
4492.1875517391
3 √n
272.25252733713
4 √n
67.023783478248
5 √n
28.905677437558
1 , 3 , 41 , 123 , 359 , 457 , 1077 , 1371 , 14719 , 18737 , 44157 , 56211 , 164063 , 492189 , 6726583 , 20179749
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
-20179748
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 20179749 can be divided by 16 positive divisors.
The sum of these divisors (counting 20179749) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110101100100101
3
Ternary
1101222020102010
4
Quaternary
1030332230211
5
Quinary
20131222444
6
Senary
2000304433
8
Octal
114765445
10
Decimal
20179749
12
Duodecimal
6912119
16
Hexadecimal
133eb25
20
Vigesimal
662979
36
Base36
c0isl
md5
aaf0858141ba8a5218306ef37315999c
sha1
da338c4cabf62429b8fa300414c5d83288d5be60
sha256
b9279ece399e052390253df8d6748a1af2260f237d347eada20d59d354936d2a
sha512
e4d0dbca0f3dde3649dc0eae275d26ce6358cbc19ab66ff711e01d3ed3c6ce8966f8eaaba288e38eb2eeb38de8d8a060b90fd452c7a87a9dd39df6b03e6d7ad9
ripemd-160
2d296b4e65789d238c931a9803b82b3d52e033a4
Diameter
40359498
Circumference
126793102.41937
Area
1.2793264908771E+15
Volume
3.4421983299934E+22
Surface area
5.1173059635084E+15
Circumference
126793102.41937
Perimeter
80718996
Area
407222269703001
Diagonal
28538474.721085
Surface area
2443333618218006
Volume
8.2176431898169E+21
Space diagonal
34952350.551987
Perimeter
60539247
Area
1.7633241527478E+14
Altitude
17476175.275994
Surface area
1.7633241527478E+14
Volume
9.6845853748183E+20
Height
9512824.9070283