81246162 is an even 8-digits composite number following 81246161
and preceding 81246163 . In scientific notation, it is written as 8.1246162 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 25488960 positive integers (up to 81246162) that are relatively prime to 81246162.
81246162 has 16 divisors, whose sum is 172050912
The reverse of 81246162 is 26164218
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million two hundred forty-six thousand one hundred sixty-two
Scientific notation
8.1246162 × 10^7
Engineering notation
8.1246162 × 10^6
Prime Factorization
2 × 3 × 17 × 796531
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81246162
Product of the distinct prime numbers
The prime factorization of 81246162 is 2 × 3 × 17 × 796531.
Since it has a total of 4 prime factors.
10 , 7 , 95 , 60 , 454 , 101 , 156 , 9375 , 25154 , 45104 , 222622 , 964466 , 374550 , 7409975 , 92969539 , 3886547 , 79523718 , 723913266 , 9293720099 , 5490504333
n×2
162492324
n×3
243738486
n×4
324984648
n×5
406230810
n÷2
40623081
n÷3
27082054
n÷3
20311540.5
n÷5
16249232.4
n2
6600938839730244
n3
5.3630094632482E+23
n4
4.3572393565859E+31
n5
3.5400897463796E+39
2 √n
9013.6652922105
3 √n
433.11273281807
4 √n
94.940324900489
5 √n
38.190959611791
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 796531 , 1593062 , 2389593 , 4779186 , 13541027 , 27082054 , 40623081 , 81246162
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
-81246161
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 81246162 can be divided by 16 positive divisors.
The sum of these divisors (counting 81246162) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111011011111010010
3
Ternary
12122212201210010
4
Quaternary
10311323133102
5
Quinary
131244334122
6
Senary
12021215350
8
Octal
465733722
10
Decimal
81246162
12
Duodecimal
23261556
16
Hexadecimal
4d7b7d2
20
Vigesimal
157ff82
36
Base36
1cddxu
md5
5d8ee6ef6483b316aeaaa55a59e807a9
sha1
06a3c981dc8273d62dc9e04a39302afc3da20ed5
sha256
cbc2bf28da3fb43782ced092cd29b4d8b1b7b6c4edabbd9850c2b22cd834f166
sha512
8eb4887234ef63a56acc8659a586191df8805ed9b7cb7eb3c5a5b6b56f644457b682382e99d129bb30a3c4ebba30203563300c3523022b7503cd37c246cb74ab
ripemd-160
8ecb5f9e87fd2b5357fb0f49ba53ba4aec0f2b88
Diameter
162492324
Circumference
510484691.34313
Area
2.0737460965692E+16
Volume
2.2464521507831E+24
Surface area
8.2949843862768E+16
Circumference
510484691.34313
Perimeter
324984648
Area
6600938839730244
Diagonal
114899424.19116
Surface area
39605633038381464
Volume
5.3630094632482E+23
Space diagonal
140722480.50397
Perimeter
243738486
Area
2.8582903620169E+15
Altitude
70361240.251986
Surface area
2.8582903620169E+15
Volume
6.3203672650507E+22
Height
38299808.063721