81007103 is an odd 8-digits composite number following 81007102
and preceding 81007104 . In scientific notation, it is written as 8.1007103 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 78764800 positive integers (up to 81007103) that are relatively prime to 81007103.
81007103 has 8 divisors, whose sum is 83262816
The reverse of 81007103 is 30170018
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million seven thousand one hundred three
Scientific notation
8.1007103 × 10^7
Engineering notation
8.1007103 × 10^6
Prime Factorization
41 × 311 × 6353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81007103
Product of the distinct prime numbers
The prime factorization of 81007103 is 41 × 311 × 6353.
Since it has a total of 3 prime factors.
8 , 1 , 53 , 3 , 327 , 172 , 5348 , 8893 , 28772 , 66181 , 67501 , 133585 , 9196116 , 199683 , 16943675 , 20146596 , 137665188 , 54651086 , 1757877177 , 2682953300
n×2
162014206
n×3
243021309
n×4
324028412
n×5
405035515
n÷2
40503551.5
n÷3
27002367.666667
n÷3
20251775.75
n÷5
16201420.6
n2
6562150736452609
n3
5.3158082060934E+23
n4
4.3061822287926E+31
n5
3.4883134734457E+39
2 √n
9000.3946024605
3 √n
432.6875180049
4 √n
94.870409519831
5 √n
38.168458469755
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
-81007102
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 81007103 can be divided by 8 positive divisors.
The sum of these divisors (counting 81007103) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000001000111111111
3
Ternary
12122102120212002
4
Quaternary
10311001013333
5
Quinary
131214211403
6
Senary
12012132515
8
Octal
465010777
10
Decimal
81007103
12
Duodecimal
2316713b
16
Hexadecimal
4d411ff
20
Vigesimal
1565hf3
36
Base36
1c89hb
md5
d05725bd465a9d8f83957dcfdf26f686
sha1
517c88e1defb5b76241f1af667dde5261dc8432c
sha256
18def4242d719d7360d4f85775130913096e3627710d4bb2a3df2e6d8ef3345e
sha512
3c57d9c31e041b1fa7484e295107eff2cf9c61ad99c5874a6a03a15aea258dfa687c36b74596de5d04e1fd764945a3b8a17abd4fb333fcdb23ee65cd5b8e6b67
ripemd-160
f76a762dfffe5ba33ef27d3899a7fd4ad19f3d27
Diameter
162014206
Circumference
508982639.34678
Area
2.0615604545388E+16
Volume
2.2266805344207E+24
Surface area
8.2462418181553E+16
Circumference
508982639.34678
Perimeter
324028412
Area
6562150736452609
Diagonal
114561343.71115
Surface area
39372904418715654
Volume
5.3158082060934E+23
Space diagonal
140308418.16997
Perimeter
243021309
Area
2.8414946206154E+15
Altitude
70154209.084983
Surface area
2.8414946206154E+15
Volume
6.2647400500263E+22
Height
38187114.570385