81708522 is an even 8-digits composite number following 81708521
and preceding 81708523 . In scientific notation, it is written as 8.1708522 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 23284800 positive integers (up to 81708522) that are relatively prime to 81708522.
81708522 has 32 divisors, whose sum is 187246464
The reverse of 81708522 is 22580718
Previous prime number is 4621
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million seven hundred eight thousand five hundred twenty-two
Scientific notation
8.1708522 × 10^7
Engineering notation
8.1708522 × 10^6
Prime Factorization
2 × 3 × 7 × 4621 × 421
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81708522
Product of the distinct prime numbers
The prime factorization of 81708522 is 2 × 3 × 7 × 4621 × 421.
Since it has a total of 5 prime factors.
8 , 3 , 37 , 29 , 142 , 140 , 7610 , 670 , 15376 , 3017 , 335104 , 460945 , 5476889 , 6691788 , 66460736 , 94205153 , 74404101 , 738818694 , 1106682041 , 5849959708
n×2
163417044
n×3
245125566
n×4
326834088
n×5
408542610
n÷2
40854261
n÷3
27236174
n÷3
20427130.5
n÷5
16341704.4
n2
6676282567424484
n3
5.4550918103862E+23
n4
4.4572748920096E+31
n5
3.6419734357381E+39
2 √n
9039.2766303505
3 √n
433.93277289802
4 √n
95.075110467201
5 √n
38.234328831416
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 421 , 842 , 1263 , 2526 , 2947 , 4621 , 5894 , 8841 , 9242 , 13863 , 17682 , 27726 , 32347 , 64694 , 97041 , 194082 , 1945441 , 3890882 , 5836323 , 11672646 , 13618087 , 27236174 , 40854261 , 81708522
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81708521
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81708522 can be divided by 32 positive divisors.
The sum of these divisors (counting 81708522) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111101100010111101010
3
Ternary
12200202020000120
4
Quaternary
10313230113222
5
Quinary
131404133042
6
Senary
12035144110
8
Octal
467542752
10
Decimal
81708522
12
Duodecimal
23445036
16
Hexadecimal
4dec5ea
20
Vigesimal
15adb62
36
Base36
1cnap6
md5
a1fea4ea9b569931fb70edd5a96b1e8c
sha1
ded3cc97c3da4fbe6034cc2528e8f290af724e47
sha256
f1423d8b4c87a94eefed9ec721b937c2088d7b6127bb25b6e53c50710e6e2235
sha512
5ec10423b829c3ec92045c29e5cb1ee62b2eba4f5f9d9fe1d9ca7d4e2d762120ce73b46c587338eae90745d78a0d7853155817aa00d86bf53fcf733933725e7c
ripemd-160
4fed3e72fb72fa11f367ec3962ce2ccd0c2fa4f3
Diameter
163417044
Circumference
513389784.90176
Area
2.097416026711E+16
Volume
2.2850235141556E+24
Surface area
8.3896641068441E+16
Circumference
513389784.90176
Perimeter
326834088
Area
6676282567424484
Diagonal
115553299.97386
Surface area
40057695404546904
Volume
5.4550918103862E+23
Space diagonal
141523311.51536
Perimeter
245125566
Area
2.8909151531164E+15
Altitude
70761655.75768
Surface area
2.8909151531164E+15
Volume
6.4288873518655E+22
Height
38517766.657953