81132008 is an even 8-digits composite number following 81132007
and preceding 81132009 . In scientific notation, it is written as 8.1132008 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 16 positive divisors.
There are 40513648 positive integers (up to 81132008) that are relatively prime to 81132008.
81132008 has 16 divisors, whose sum is 152318880
The reverse of 81132008 is 80023118
Previous prime number is 827
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million one hundred thirty-two thousand eight
Scientific notation
8.1132008 × 10^7
Engineering notation
8.1132008 × 10^6
Prime Factorization
2 × 2 × 2 × 827 × 12263
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20283002
Product of the distinct prime numbers
The prime factorization of 81132008 is 2 × 2 × 2 × 827 × 12263.
Since it has a total of 5 prime factors.
8 , 3 , 15 , 10 , 320 , 972 , 5744 , 1622 , 63570 , 72590 , 445601 , 482628 , 4639533 , 3045451 , 62823293 , 70769302 , 703896611 , 943460044 , 7403868107 , 7478572658
n×2
162264016
n×3
243396024
n×4
324528032
n×5
405660040
n÷2
40566004
n÷3
27044002.666667
n÷3
20283002
n÷5
16226401.6
n2
6582402722112064
n3
5.3404355030962E+23
n4
4.3328025596068E+31
n5
3.5152897192844E+39
2 √n
9007.3307921937
3 √n
432.90979102759
4 √n
94.906958607858
5 √n
38.1802216201
1 , 2 , 4 , 8 , 827 , 1654 , 3308 , 6616 , 12263 , 24526 , 49052 , 98104 , 10141501 , 20283002 , 40566004 , 81132008
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
-81132007
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 81132008 can be divided by 16 positive divisors.
The sum of these divisors (counting 81132008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011111100111101000
3
Ternary
12122122221012012
4
Quaternary
10311133213220
5
Quinary
131232211013
6
Senary
12014535052
8
Octal
465374750
10
Decimal
81132008
12
Duodecimal
23207488
16
Hexadecimal
4d5f9e8
20
Vigesimal
1571a08
36
Base36
1caxuw
md5
920e4d5b34d2f3252a2150576431ed02
sha1
c64fde630919c6eddaeef265aa34dd1be9c86e5a
sha256
89b826e216447e9c00b1f0876362960926827e50e77bbd4dddcbc6df2f5ca6c1
sha512
b59d64abdee9e856cd6e7fcd6f1389f064649bb094d0371e20ba70789242d029a580016f10f92583034ac9f3246bcac6271c897063989fe2eb41755928823b69
ripemd-160
b01ace06d184b825a07abeb12ed7f736867d6b29
Diameter
162264016
Circumference
509767440.60758
Area
2.0679228034757E+16
Volume
2.2369963924663E+24
Surface area
8.2716912139027E+16
Circumference
509767440.60758
Perimeter
324528032
Area
6582402722112064
Diagonal
114737986.05616
Surface area
39494416332672384
Volume
5.3404355030962E+23
Space diagonal
140524759.97608
Perimeter
243396024
Area
2.8502639876444E+15
Altitude
70262379.988042
Surface area
2.8502639876444E+15
Volume
6.2937635978812E+22
Height
38245995.352054