18981353 is an odd 8-digits composite number following 18981352
and preceding 18981354 . In scientific notation, it is written as 1.8981353 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 18482800 positive integers (up to 18981353) that are relatively prime to 18981353.
18981353 has 8 divisors, whose sum is 19486656
The reverse of 18981353 is 35318981
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred eighty-one thousand three hundred fifty-three
Scientific notation
1.8981353 × 10^7
Engineering notation
1.8981353 × 10^6
Prime Factorization
83 × 71 × 3221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18981353
Product of the distinct prime numbers
The prime factorization of 18981353 is 83 × 71 × 3221.
Since it has a total of 3 prime factors.
6 , 9 , 4 , 10 , 701 , 92 , 344 , 8563 , 26578 , 61885 , 817274 , 952609 , 5824921 , 2864043 , 41638706 , 55724021 , 585162509 , 851107636 , 7406070058 , 6056909882
n×2
37962706
n×3
56944059
n×4
75925412
n×5
94906765
n÷2
9490676.5
n÷3
6327117.6666667
n÷3
4745338.25
n÷5
3796270.6
n2
360291761710609
n3
6.838825112021E+21
n4
1.2981015355653E+29
n5
2.4639723476408E+36
2 √n
4356.7594608837
3 √n
266.752842114
4 √n
66.005753240788
5 √n
28.553899931734
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18981352
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18981353 can be divided by 8 positive divisors.
The sum of these divisors (counting 18981353) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011010000111101001
3
Ternary
1022201100112002
4
Quaternary
1020122013221
5
Quinary
14324400403
6
Senary
1514500345
8
Octal
110320751
10
Decimal
18981353
12
Duodecimal
64346b5
16
Hexadecimal
121a1e9
20
Vigesimal
5icd7d
36
Base36
bau3t
md5
14e5e7ca2d85f037cbed8ac5cc9d72d7
sha1
7ba7ee6b918812808c8505e64e90d16af4f85b8f
sha256
85d51893aa913389848e37c57a0968c96d0ca1bb4b53910decc1baef0bc3fe7d
sha512
d7f2ce2fbc6fd5b2d3c741af27bf6e9c00de08de2f6a892c8f6b6e291a42b65391bb2d1aa0a856422ae6608638f4139c78335cb95ce1dde46331fb63f9721701
ripemd-160
fe065b20b5dc0e57ec676ae23f32ea726a6cf372
Diameter
37962706
Circumference
119263358.27999
Area
1.131889951739E+15
Volume
2.8646403641481E+22
Surface area
4.5275598069559E+15
Circumference
119263358.27999
Perimeter
75925412
Area
360291761710609
Diagonal
26843686.844791
Surface area
2161750570263654
Volume
6.838825112021E+21
Space diagonal
32876667.7924
Perimeter
56944059
Area
1.5601090920782E+14
Altitude
16438333.8962
Surface area
1.5601090920782E+14
Volume
8.0596326867648E+20
Height
8947895.6149304