81707030 is an even 8-digits composite number following 81707029
and preceding 81707031 . In scientific notation, it is written as 8.1707030 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 30862080 positive integers (up to 81707030) that are relatively prime to 81707030.
81707030 has 16 divisors, whose sum is 124253568
The reverse of 81707030 is 03070718
Previous prime number is 457
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million seven hundred seven thousand thirty
Scientific notation
8.1707030 × 10^7
Engineering notation
8.1707030 × 10^6
Prime Factorization
2 × 95 × 457 × 941
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81707030
Product of the distinct prime numbers
The prime factorization of 81707030 is 2 × 95 × 457 × 941.
Since it has a total of 4 prime factors.
5 , 4 , 85 , 68 , 691 , 957 , 2981 , 1850 , 89920 , 82208 , 511848 , 472510 , 747680 , 8429395 , 10366602 , 46356735 , 385686712 , 127392629 , 9448338186 , 2448823993
n×2
163414060
n×3
245121090
n×4
326828120
n×5
408535150
n÷2
40853515
n÷3
27235676.666667
n÷3
20426757.5
n÷5
16341406
n2
6676038751420900
n3
5.4547929854351E+23
n4
4.4569493410474E+31
n5
3.6416409351744E+39
2 √n
9039.194101246
3 √n
433.93013167357
4 √n
95.074676445655
5 √n
38.234189198404
1 , 2 , 95 , 190 , 457 , 914 , 941 , 1882 , 43415 , 86830 , 89395 , 178790 , 430037 , 860074 , 40853515 , 81707030
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81707029
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81707030 can be divided by 16 positive divisors.
The sum of these divisors (counting 81707030) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101100000000010110
3
Ternary
12200202010222022
4
Quaternary
10313230000112
5
Quinary
131404111110
6
Senary
12035133142
8
Octal
467540026
10
Decimal
81707030
12
Duodecimal
234441b2
16
Hexadecimal
4dec016
20
Vigesimal
15ad7ba
36
Base36
1cn9jq
md5
2432b51287caccff85091287efc1b138
sha1
016c81ecab0893936f77886a26a4d9db2301a53f
sha256
567bf145940048d8390eea209ffb906a46d36dbed25ff5e1ad164c80a5656e19
sha512
3cbadea37885c6369819355fd326cac54cd7e15f4da26ffe9b6b0c5fe0b9548852fca32a42db4e9421dbd287456d0f44aae61b9410d7d9358a8308fe4ce0eb27
ripemd-160
c4a40d0ff4acddebfd19d577caf5ac4d949e9b61
Diameter
163414060
Circumference
513380410.38928
Area
2.0973394296545E+16
Volume
2.2848983426528E+24
Surface area
8.3893577186179E+16
Circumference
513380410.38928
Perimeter
326828120
Area
6676038751420900
Diagonal
115551189.96723
Surface area
40056232508525400
Volume
5.4547929854351E+23
Space diagonal
141520727.29555
Perimeter
245121090
Area
2.8908095776899E+15
Altitude
70760363.647777
Surface area
2.8908095776899E+15
Volume
6.4285351832833E+22
Height
38517063.322408