20180849 is an odd 8-digits composite number following 20180848
and preceding 20180850 . In scientific notation, it is written as 2.0180849 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 18628464 positive integers (up to 20180849) that are relatively prime to 20180849.
20180849 has 4 divisors, whose sum is 21733236
The reverse of 20180849 is 94808102
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred eighty thousand eight hundred forty-nine
Scientific notation
2.0180849 × 10^7
Engineering notation
2.0180849 × 10^6
Prime Factorization
13 × 1552373
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20180849
Product of the distinct prime numbers
The prime factorization of 20180849 is 13 × 1552373.
Since it has a total of 2 prime factors.
9 , 8 , 61 , 25 , 210 , 461 , 8105 , 695 , 55261 , 17882 , 540282 , 362266 , 8682320 , 7037861 , 16604463 , 27048757 , 957223859 , 783737098 , 367632730 , 5236937355
n×2
40361698
n×3
60542547
n×4
80723396
n×5
100904245
n÷2
10090424.5
n÷3
6726949.6666667
n÷3
5045212.25
n÷5
4036169.8
n2
407266666360801
n3
8.2189870965607E+21
n4
1.6586613752864E+29
n5
3.3473194756787E+36
2 √n
4492.3099848519
3 √n
272.25747408413
4 √n
67.024696827751
5 √n
28.905992560922
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20180848
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20180849 can be divided by 4 positive divisors.
The sum of these divisors (counting 20180849) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111110111101110001
3
Ternary
1101222021220212
4
Quaternary
1030332331301
5
Quinary
20131241344
6
Senary
2000313505
8
Octal
114767561
10
Decimal
20180849
12
Duodecimal
6912895
16
Hexadecimal
133ef71
20
Vigesimal
662c29
36
Base36
c0jn5
md5
9472b40c40f77547460a02fc4e8b4968
sha1
adc19bf8e6229083e5373095eb2aa8c5dc69735b
sha256
fbb5fbb662e5caa2d7a5bf07896189a4740188a8c7543cb8a0a7a31b3bbf27db
sha512
56f2c1bdd42e34f1fad3e130a607bb01b8e34d262f3d8409c15630694337561d89c29c733f63cc3532ce6c2dbc83dcd779e8da951c7ffb1f6ba4e46ad6ee5fce
ripemd-160
f4b4dc35a20a0a2f16608d00c525266447cf6128
Diameter
40361698
Circumference
126800013.92321
Area
1.2794659670911E+15
Volume
3.4427612643339E+22
Surface area
5.1178638683644E+15
Circumference
126800013.92321
Perimeter
80723396
Area
407266666360801
Diagonal
28540030.356004
Surface area
2443599998164806
Volume
8.2189870965607E+21
Space diagonal
34954255.807876
Perimeter
60542547
Area
1.7635163959153E+14
Altitude
17477127.903938
Surface area
1.7635163959153E+14
Volume
9.6861691841047E+20
Height
9513343.4520012