81182008 is an even 8-digits composite number following 81182007
and preceding 81182009 . In scientific notation, it is written as 8.1182008 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 39824928 positive integers (up to 81182008) that are relatively prime to 81182008.
81182008 has 16 divisors, whose sum is 155089080
The reverse of 81182008 is 80028118
Previous prime number is 53
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million one hundred eighty-two thousand eight
Scientific notation
8.1182008 × 10^7
Engineering notation
8.1182008 × 10^6
Prime Factorization
2 × 2 × 2 × 53 × 191467
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20295502
Product of the distinct prime numbers
The prime factorization of 81182008 is 2 × 2 × 2 × 53 × 191467.
Since it has a total of 5 prime factors.
6 , 5 , 23 , 22 , 501 , 657 , 9826 , 7073 , 56916 , 31327 , 831599 , 65614 , 3163855 , 8148789 , 82480101 , 78663928 , 208536999 , 223433303 , 4571976365 , 8349309053
n×2
162364016
n×3
243546024
n×4
324728032
n×5
405910040
n÷2
40591004
n÷3
27060669.333333
n÷3
20295502
n÷5
16236401.6
n2
6590518422912064
n3
5.3503151933299E+23
n4
4.3434933082743E+31
n5
3.5261350850027E+39
2 √n
9010.1058817308
3 √n
432.99870392008
4 √n
94.921577534988
5 √n
38.184926398665
1 , 2 , 4 , 8 , 53 , 106 , 212 , 424 , 191467 , 382934 , 765868 , 1531736 , 10147751 , 20295502 , 40591004 , 81182008
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
-81182007
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 81182008 can be divided by 16 positive divisors.
The sum of these divisors (counting 81182008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101101011110100111000
3
Ternary
12122202110210001
4
Quaternary
10311223310320
5
Quinary
131240311013
6
Senary
12020002344
8
Octal
465536470
10
Decimal
81182008
12
Duodecimal
232303b4
16
Hexadecimal
4d6bd38
20
Vigesimal
1577f08
36
Base36
1cc0fs
md5
6d39fb8b054d62a068165a3bd43c2771
sha1
58ea1d799ce35cf2a005877a2ba3667403735058
sha256
b62bab48eef3142931090821c2434fbf7bbf698de6bf95ef009cd268632cff73
sha512
0553a18db53ae1ba20b689dd82bc6ce1666c4e55ef98b2d78c4b76913bfb23154734fa69faf94f138cf469d97a3332af926e189f43c3d4ed1c446e1875b2323f
ripemd-160
ecc9745f44e7a8f3c785c848e509e0238a171586
Diameter
162364016
Circumference
510081599.87294
Area
2.0704724260769E+16
Volume
2.241134787434E+24
Surface area
8.2818897043075E+16
Circumference
510081599.87294
Perimeter
324728032
Area
6590518422912064
Diagonal
114808696.73428
Surface area
39543110537472384
Volume
5.3503151933299E+23
Space diagonal
140611362.51646
Perimeter
243546024
Area
2.8537781891756E+15
Altitude
70305681.258232
Surface area
2.8537781891756E+15
Volume
6.3054069244817E+22
Height
38269565.578094