81352008 is an even 8-digits composite number following 81352007
and preceding 81352009 . In scientific notation, it is written as 8.1352008 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 27117312 positive integers (up to 81352008) that are relatively prime to 81352008.
81352008 has 16 divisors, whose sum is 169483500
The reverse of 81352008 is 80025318
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
eighty-one million three hundred fifty-two thousand eight
Scientific notation
8.1352008 × 10^7
Engineering notation
8.1352008 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 1129889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20338002
Product of the distinct prime numbers
The prime factorization of 81352008 is 2 × 2 × 2 × 9 × 1129889.
Since it has a total of 5 prime factors.
8 , 1 , 79 , 81 , 18 , 837 , 8672 , 1868 , 5068 , 75200 , 992942 , 144774 , 1678643 , 7089881 , 89005674 , 8492783 , 14443815 , 751639087 , 488944210 , 1988184356
n×2
162704016
n×3
244056024
n×4
325408032
n×5
406760040
n÷2
40676004
n÷3
27117336
n÷3
20338002
n÷5
16270401.6
n2
6618149205632064
n3
5.3839972712177E+23
n4
4.3799898908008E+31
n5
3.5632097263635E+39
2 √n
9019.5347995337
3 √n
433.30073495738
4 √n
94.971231431069
5 √n
38.200905325734
1 , 2 , 4 , 8 , 9 , 18 , 36 , 72 , 1129889 , 2259778 , 4519556 , 9039112 , 10169001 , 20338002 , 40676004 , 81352008
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
-81352007
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 81352008 can be divided by 16 positive divisors.
The sum of these divisors (counting 81352008) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110010101010101001000
3
Ternary
12200002002222100
4
Quaternary
10312111111020
5
Quinary
131311231013
6
Senary
12023353400
8
Octal
466252510
10
Decimal
81352008
12
Duodecimal
232b2860
16
Hexadecimal
4d95548
20
Vigesimal
1589008
36
Base36
1cfnm0
md5
4c9e62f7bcad3897e5a41bf17c0bcaaf
sha1
d4aa088d33e28c0b13e8a6270fe8d64624a4786d
sha256
46294f8cf352795481dc4206150ed1a2c658a887201960a794a27c31041581ef
sha512
efe83c492c94d936347ad2d39367923631ef17c0f3b6f7d234f8a13cdad4403e7463e517b5e8817cecd064d7784dce4bc823599d01dc5c9473e16289bd2a58e5
ripemd-160
06291fbb1fa3cce1881c3b8eda885493b6769feb
Diameter
162704016
Circumference
511149741.37516
Area
2.0791528924775E+16
Volume
2.2552435032273E+24
Surface area
8.3166115699099E+16
Circumference
511149741.37516
Perimeter
325408032
Area
6618149205632064
Diagonal
115049113.03988
Surface area
39708895233792384
Volume
5.3839972712177E+23
Space diagonal
140905811.15375
Perimeter
244056024
Area
2.8657426690566E+15
Altitude
70452905.576875
Surface area
2.8657426690566E+15
Volume
6.3451016339465E+22
Height
38349704.346628