81603368 is an even 8-digits composite number following 81603367
and preceding 81603369 . In scientific notation, it is written as 8.1603368 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors.
There are 31790880 positive integers (up to 81603368) that are relatively prime to 81603368.
81603368 has 32 divisors, whose sum is 176324160
The reverse of 81603368 is 86330618
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million six hundred three thousand three hundred sixty-eight
Scientific notation
8.1603368 × 10^7
Engineering notation
8.1603368 × 10^6
Prime Factorization
2 × 2 × 2 × 121 × 7 × 12043
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20400842
Product of the distinct prime numbers
The prime factorization of 81603368 is 2 × 2 × 2 × 121 × 7 × 12043.
Since it has a total of 6 prime factors.
8 , 10 , 24 , 10 , 373 , 2 , 2655 , 8124 , 84477 , 37526 , 95201 , 813188 , 9755432 , 7633663 , 51376133 , 46653709 , 227240545 , 205038385 , 8358556428 , 923171780
n×2
163206736
n×3
244810104
n×4
326413472
n×5
408016840
n÷2
40801684
n÷3
27201122.666667
n÷3
20400842
n÷5
16320673.6
n2
6659109668943424
n3
5.4340577686715E+23
n4
4.4343741583016E+31
n5
3.6185986628957E+39
2 √n
9033.4582525188
3 √n
433.74654444451
4 √n
95.044506693016
5 √n
38.224482700881
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 121 , 242 , 484 , 847 , 968 , 1694 , 3388 , 6776 , 12043 , 24086 , 48172 , 84301 , 96344 , 168602 , 337204 , 674408 , 1457203 , 2914406 , 5828812 , 10200421 , 11657624 , 20400842 , 40801684 , 81603368
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
-81603367
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 81603368 can be divided by 32 positive divisors.
The sum of these divisors (counting 81603368) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111010010101100101000
3
Ternary
12200112212202222
4
Quaternary
10313102230220
5
Quinary
131342301433
6
Senary
12033013212
8
Octal
467225450
10
Decimal
81603368
12
Duodecimal
233b4208
16
Hexadecimal
4dd2b28
20
Vigesimal
15a0888
36
Base36
1cl1k8
md5
15a10c67a15090f9aa513fbed2d805eb
sha1
d4d9df091303d4ae8c688c9f64da39721fce4792
sha256
84a68813b220f0d8f2428280d72e89ecee72d957f701dd8fdf495069b2edc87e
sha512
66e230715fcb23eb8f55d2eff6273acde8f65cdcf78049b608c3db14a3787f045501addb487c79625d6ff2dc9b780ba1c9303a17ba5adf81e0e74a9b28b21a7c
ripemd-160
bafa573880963ebe22877cc1413b981c48b45370
Diameter
163206736
Circumference
512729082.83397
Area
2.0920210015401E+16
Volume
2.2762127953655E+24
Surface area
8.3680840061606E+16
Circumference
512729082.83397
Perimeter
326413472
Area
6659109668943424
Diagonal
115404589.76092
Surface area
39954658013660544
Volume
5.4340577686715E+23
Space diagonal
141341179.44474
Perimeter
244810104
Area
2.8834790699458E+15
Altitude
70670589.72237
Surface area
2.8834790699458E+15
Volume
6.4040984959784E+22
Height
38468196.586974