81618296 is an even 8-digits composite number following 81618295
and preceding 81618297 . In scientific notation, it is written as 8.1618296 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 16 positive divisors.
There are 39401824 positive integers (up to 81618296) that are relatively prime to 81618296.
81618296 has 16 divisors, whose sum is 158311800
The reverse of 81618296 is 69281618
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
eighty-one million six hundred eighteen thousand two hundred ninety-six
Scientific notation
8.1618296 × 10^7
Engineering notation
8.1618296 × 10^6
Prime Factorization
2 × 2 × 2 × 29 × 351803
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20404574
Product of the distinct prime numbers
The prime factorization of 81618296 is 2 × 2 × 2 × 29 × 351803.
Since it has a total of 5 prime factors.
9 , 2 , 59 , 60 , 491 , 433 , 7855 , 6065 , 32198 , 54883 , 52560 , 266452 , 6672533 , 5941462 , 84433657 , 80993271 , 75673303 , 304489713 , 46426777 , 1154521537
n×2
163236592
n×3
244854888
n×4
326473184
n×5
408091480
n÷2
40809148
n÷3
27206098.666667
n÷3
20404574
n÷5
16323659.2
n2
6661546241943616
n3
5.4370405299264E+23
n4
4.4376198333553E+31
n5
3.6219096909426E+39
2 √n
9034.2844763711
3 √n
433.77299177458
4 √n
95.048853103923
5 √n
38.225881107203
1 , 2 , 4 , 8 , 29 , 58 , 116 , 232 , 351803 , 703606 , 1407212 , 2814424 , 10202287 , 20404574 , 40809148 , 81618296
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
-81618295
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 81618296 can be divided by 16 positive divisors.
The sum of these divisors (counting 81618296) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111010110010101111000
3
Ternary
12200120122020212
4
Quaternary
10313112111320
5
Quinary
131343241141
6
Senary
12033210252
8
Octal
467262570
10
Decimal
81618296
12
Duodecimal
23400988
16
Hexadecimal
4dd6578
20
Vigesimal
15a25eg
36
Base36
1cld2w
md5
3be3c7fbc1e760656398fbc25cfd47e5
sha1
a69fc0d53ba7862dc603006fedea27a5ba5b8d26
sha256
92602f8de5de23ba672942098ef3e551ccdc940fb6dc941df47dbdea9cbd58b1
sha512
45beb830803c2b0b26336411803f99ee8319910085fa0ca2d3009099a4be973a4d3b0540a259fd3518c700615844e0ba9d09c58c2c19cb4a945edb9fedfeaff7
ripemd-160
f040d8924b205317a3225233d73a94e43dc5ff75
Diameter
163236592
Circumference
512822878.22423
Area
2.0927864735239E+16
Volume
2.2774622114782E+24
Surface area
8.3711458940955E+16
Circumference
512822878.22423
Perimeter
326473184
Area
6661546241943616
Diagonal
115425701.14098
Surface area
39969277451661696
Volume
5.4370405299264E+23
Space diagonal
141367035.4992
Perimeter
244854888
Area
2.884534137004E+15
Altitude
70683517.749598
Surface area
2.884534137004E+15
Volume
6.4076137138284E+22
Height
38475233.713661