19810161 is an odd 8-digits composite number following 19810160
and preceding 19810162 . In scientific notation, it is written as 1.9810161 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors.
There are 10922688 positive integers (up to 19810161) that are relatively prime to 19810161.
19810161 has 24 divisors, whose sum is 30225000
The reverse of 19810161 is 16101891
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
nineteen million eight hundred ten thousand one hundred sixty-one
Scientific notation
1.9810161 × 10^7
Engineering notation
1.9810161 × 10^6
Prime Factorization
3 × 3 × 49 × 29 × 1549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6603387
Product of the distinct prime numbers
The prime factorization of 19810161 is 3 × 3 × 49 × 29 × 1549.
Since it has a total of 5 prime factors.
9 , 8 , 35 , 34 , 188 , 946 , 3149 , 6026 , 75095 , 31665 , 325228 , 937961 , 5659135 , 7992512 , 14667135 , 40188007 , 946755455 , 440239481 , 6673764279 , 9679181104
n×2
39620322
n×3
59430483
n×4
79240644
n×5
99050805
n÷2
9905080.5
n÷3
6603387
n÷3
4952540.25
n÷5
3962032.2
n2
392442478845921
n3
7.7743486891768E+21
n4
1.5401109920273E+29
n5
3.0509846709931E+36
2 √n
4450.8607032798
3 √n
270.5801926823
4 √n
66.714771252548
5 √n
28.79901281133
1 , 3 , 9 , 29 , 49 , 87 , 147 , 261 , 441 , 1421 , 1549 , 4263 , 4647 , 12789 , 13941 , 44921 , 75901 , 134763 , 227703 , 404289 , 683109 , 2201129 , 6603387 , 19810161
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19810160
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19810161 can be divided by 24 positive divisors.
The sum of these divisors (counting 19810161) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011100100011101110001
3
Ternary
1101021110102200
4
Quaternary
1023210131301
5
Quinary
20032411121
6
Senary
1544333413
8
Octal
113443561
10
Decimal
19810161
12
Duodecimal
6774269
16
Hexadecimal
12e4771
20
Vigesimal
63g581
36
Base36
bslm9
md5
7af65e450976bc9967e63d8be7fe8428
sha1
6afb7d21be62cc8c4af7ac49ce99b9e05b19e6f1
sha256
4442689928bd70fe5ffa94baa26da1e7c06f7c2be059aeb7393e6cc218fb9478
sha512
aab75b341463fbdfff9e6bcbd4fd704a6a372f9f1017cf17fbb501c7aef82d7ab3dbf6cc79a0d1423cc509358b40f95e2d43f6954b623646c643b3fdfb46023c
ripemd-160
e39b627bdd1b4a03f75825f14377937395d1fa55
Diameter
39620322
Circumference
124470912.52806
Area
1.2328944084989E+15
Volume
3.2565115637818E+22
Surface area
4.9315776339957E+15
Circumference
124470912.52806
Perimeter
79240644
Area
392442478845921
Diagonal
28015798.358995
Surface area
2354654873075526
Volume
7.7743486891768E+21
Space diagonal
34312205.358119
Perimeter
59430483
Area
1.6993257810235E+14
Altitude
17156102.67906
Surface area
1.6993257810235E+14
Volume
9.1621577957094E+20
Height
9338599.4529982