20187980 is an even 8-digits composite number following 20187979
and preceding 20187981 . In scientific notation, it is written as 2.0187980 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 8075184 positive integers (up to 20187980) that are relatively prime to 20187980.
20187980 has 12 divisors, whose sum is 42394800
The reverse of 20187980 is 08978102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eighty-seven thousand nine hundred eighty
Scientific notation
2.0187980 × 10^7
Engineering notation
2.0187980 × 10^6
Prime Factorization
2 × 2 × 5 × 1009399
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10093990
Product of the distinct prime numbers
The prime factorization of 20187980 is 2 × 2 × 5 × 1009399.
Since it has a total of 4 prime factors.
3 , 6 , 6 , 69 , 138 , 120 , 1218 , 6625 , 1879 , 87470 , 441521 , 35188 , 7679247 , 7142924 , 92503192 , 17625249 , 862279713 , 163831265 , 9578238655 , 8197733223
n×2
40375960
n×3
60563940
n×4
80751920
n×5
100939900
n÷2
10093990
n÷3
6729326.6666667
n÷3
5046995
n÷5
4037596
n2
407554536480400
n3
8.2277028313756E+21
n4
1.6610070020575E+29
n5
3.3532376137398E+36
2 √n
4493.1036044142
3 √n
272.28953813682
4 √n
67.030616918049
5 √n
28.908035086532
1 , 2 , 4 , 5 , 10 , 20 , 1009399 , 2018798 , 4037596 , 5046995 , 10093990 , 20187980
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187980 can be divided by 12 positive divisors.
The sum of these divisors (counting 20187980) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000000101101001100
3
Ternary
1101222122200222
4
Quaternary
1031000231030
5
Quinary
20132003410
6
Senary
2000410512
8
Octal
115005514
10
Decimal
20187980
12
Duodecimal
6916a38
16
Hexadecimal
1340b4c
20
Vigesimal
6639j0
36
Base36
c0p58
md5
bf939a47c8030f433ce0c1b9c23ce2f2
sha1
b3d27265950003a8bd082c42c082278cb2398e09
sha256
3c9c075f54ba708dc142f5f14b724a4b600dfb8f2ae6893c60ba41987c045862
sha512
09b114a6f7095333a4d2c6e8b5ac47c8f140ec72e9aae04548af023b466181cd1ec51df5561302810a2c5958fddc2d4e0c485d168b430b3e3602f480ded6bfee
ripemd-160
09a798daa471688baaa9b26c7ede8e63358d55fa
Diameter
40375960
Circumference
126844819.31764
Area
1.280370337744E+15
Volume
3.4464121027959E+22
Surface area
5.1214813509761E+15
Circumference
126844819.31764
Perimeter
80751920
Area
407554536480400
Diagonal
28550115.112917
Surface area
2445327218882400
Volume
8.2277028313756E+21
Space diagonal
34966607.062184
Perimeter
60563940
Area
1.7647629100981E+14
Altitude
17483303.531092
Surface area
1.7647629100981E+14
Volume
9.6964407760891E+20
Height
9516705.0376389