81342675 is an odd 8-digits composite number following 81342674
and preceding 81342676 . In scientific notation, it is written as 8.1342675 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 43382640 positive integers (up to 81342675) that are relatively prime to 81342675.
81342675 has 8 divisors, whose sum is 93996240
The reverse of 81342675 is 57624318
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million three hundred forty-two thousand six hundred seventy-five
Scientific notation
8.1342675 × 10^7
Engineering notation
8.1342675 × 10^6
Prime Factorization
25 × 9 × 361523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81342675
Product of the distinct prime numbers
The prime factorization of 81342675 is 25 × 9 × 361523.
Since it has a total of 3 prime factors.
8 , 7 , 38 , 77 , 388 , 467 , 1842 , 9435 , 33488 , 53929 , 329326 , 418807 , 637028 , 3943717 , 90361789 , 8520135 , 684476380 , 211475922 , 9342612669 , 8474016198
n×2
162685350
n×3
244028025
n×4
325370700
n×5
406713375
n÷2
40671337.5
n÷3
27114225
n÷3
20335668.75
n÷5
16268535
n2
6616630776155625
n3
5.3821444681982E+23
n4
4.377980282797E+31
n5
3.5611662729996E+39
2 √n
9019.0174076781
3 √n
433.28416437514
4 √n
94.968507452092
5 √n
38.200028775984
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
-81342674
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 81342675 can be divided by 8 positive divisors.
The sum of these divisors (counting 81342675) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010011000011010011
3
Ternary
12200001122011200
4
Quaternary
10312103003103
5
Quinary
131310431200
6
Senary
12023242243
8
Octal
466230323
10
Decimal
81342675
12
Duodecimal
232a9383
16
Hexadecimal
4d930d3
20
Vigesimal
1587gdf
36
Base36
1cfger
md5
a41da053dc74e24767208df7023c997c
sha1
89269dc497e55b9d5d1ff1294dbccbbf8e4af423
sha256
991e02fe7293892a4d74403c2e7fb133b6b3185a94af7f7536a3987d78f1538b
sha512
ac521d34204c99267ba9800c341bccc5e599fe78ce63dd35ebad2c76a592d8ff194766a5fcdc8737315510b7333c0b1d3f0d024bc3a0cfc542a66c8647519bce
ripemd-160
1547e0fad1680d34548de4e86edc4011a42c1c1b
Diameter
162685350
Circumference
511091100.40668
Area
2.0786758637887E+16
Volume
2.2544674029134E+24
Surface area
8.3147034551547E+16
Circumference
511091100.40668
Perimeter
325370700
Area
6616630776155625
Diagonal
115035914.18471
Surface area
39699784656933750
Volume
5.3821444681982E+23
Space diagonal
140889645.92356
Perimeter
244028025
Area
2.8650851698064E+15
Altitude
70444822.961781
Surface area
2.8650851698064E+15
Volume
6.3429180846477E+22
Height
38345304.728236