81245346 is an even 8-digits composite number following 81245345
and preceding 81245347 . In scientific notation, it is written as 8.1245346 × 10^7.
The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors.
There are 20164608 positive integers (up to 81245346) that are relatively prime to 81245346.
81245346 has 32 divisors, whose sum is 173959488
The reverse of 81245346 is 64354218
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty-one million two hundred forty-five thousand three hundred forty-six
Scientific notation
8.1245346 × 10^7
Engineering notation
8.1245346 × 10^6
Prime Factorization
2 × 91 × 3 × 17 × 8753
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81245346
Product of the distinct prime numbers
The prime factorization of 81245346 is 2 × 91 × 3 × 17 × 8753.
Since it has a total of 5 prime factors.
6 , 3 , 16 , 24 , 391 , 194 , 6723 , 6038 , 99282 , 75384 , 598989 , 401420 , 2175442 , 7892875 , 62412678 , 89705210 , 234107838 , 162231884 , 5393910123 , 2553891630
n×2
162490692
n×3
243736038
n×4
324981384
n×5
406226730
n÷2
40622673
n÷3
27081782
n÷3
20311336.5
n÷5
16249069.2
n2
6600806246659716
n3
5.3628478738883E+23
n4
4.3570643105942E+31
n5
3.5399119745848E+39
2 √n
9013.6200274917
3 √n
433.11128281656
4 √n
94.940086515085
5 √n
38.19088289691
1 , 2 , 3 , 6 , 17 , 34 , 51 , 91 , 102 , 182 , 273 , 546 , 1547 , 3094 , 4641 , 8753 , 9282 , 17506 , 26259 , 52518 , 148801 , 297602 , 446403 , 796523 , 892806 , 1593046 , 2389569 , 4779138 , 13540891 , 27081782 , 40622673 , 81245346
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
-81245345
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 81245346 can be divided by 32 positive divisors.
The sum of these divisors (counting 81245346) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101111011010010100010
3
Ternary
12122212200122220
4
Quaternary
10311323102202
5
Quinary
131244322341
6
Senary
12021211510
8
Octal
465732242
10
Decimal
81245346
12
Duodecimal
23260b96
16
Hexadecimal
4d7b4a2
20
Vigesimal
157fd76
36
Base36
1cddb6
md5
b7b3553b26bca5d174142875631a7fc6
sha1
34e43e28bd9d416233c51f74818306d7b7ae5a77
sha256
f83281059b76bbbe5c7ede670dd95382dd7ee07df4832901ed1332c29fa1c03d
sha512
abb955b816cd847491000c379808e9b963550cbfa1ca287c89d74528d6ac52257c23578b02e770907b458ca02aa90fe7b955663a8c622a888221af81f44fa836
ripemd-160
c5ae4a5a9d1ed19f419b0ecad731b57bc34c9f5f
Diameter
162490692
Circumference
510479564.26392
Area
2.0737044412276E+16
Volume
2.2463844643903E+24
Surface area
8.2948177649103E+16
Circumference
510479564.26392
Perimeter
324981384
Area
6600806246659716
Diagonal
114898270.19289
Surface area
39604837479958296
Volume
5.3628478738883E+23
Space diagonal
140721067.15051
Perimeter
243736038
Area
2.8582329475332E+15
Altitude
70360533.575256
Surface area
2.8582329475332E+15
Volume
6.3201768301638E+22
Height
38299423.397632