81246 is an even 5-digits composite number following 81245
and preceding 81247 . In scientific notation, it is written as 8.1246 × 10^4.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 24600 positive integers (up to 81246) that are relatively prime to 81246.
81246 has 8 divisors, whose sum is 125664
The reverse of 81246 is 64218
Previous prime number is 33
Is Prime? no
Number parity even
Number length 5
Sum of Digits 21
Digital Root 3
Name
eighty-one thousand two hundred forty-six
Scientific notation
8.1246 × 10^4
Engineering notation
8.1246 × 10^3
Prime Factorization
2 × 33 × 1231
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81246
Product of the distinct prime numbers
The prime factorization of 81246 is 2 × 33 × 1231.
Since it has a total of 3 prime factors.
10 , 6 , 52 , 50 , 222 , 610 , 4829 , 6051 , 32453 , 64640 , 977336 , 680779 , 3515794 , 4479774 , 25212197 , 73066249 , 180398517 , 838122293 , 8885694830 , 7987064894
n×2
162492
n×3
243738
n×4
324984
n×5
406230
n÷2
40623
n÷3
27082
n÷3
20311.5
n÷5
16249.2
n2
6600912516
n3
536297738274936
n4
4.3572046043885E+19
n5
3.5400544528815E+24
2 √n
285.03683972427
3 √n
43.311244495089
4 √n
16.883034079343
5 √n
9.5931314998877
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81245
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81246 can be divided by 8 positive divisors.
The sum of these divisors (counting 81246) is 1, the average is 0.125.
Base
System
Value
2
Binary
10011110101011110
3
Ternary
11010110010
4
Quaternary
103311132
5
Quinary
10044441
6
Senary
1424050
8
Octal
236536
10
Decimal
81246
12
Duodecimal
3b026
16
Hexadecimal
13d5e
20
Vigesimal
a326
36
Base36
1qou
md5
0e26b27fe5d7fd76b3ae5a37f74b943e
sha1
c1909b08510107488939e3b074c19a01bcee9de5
sha256
f19a4bfca8f26cbf6a50cb60625bb7f3cc2974dcdae150cf0ec1667dc6a3df14
sha512
e0d2c345128bf35ae753871fc994841b7c1ebb231923d95e5e2114863edc0089c456c685e0b26bb498b53a2670026e1c48a836513d7179c75d113eb77cbf57e5
ripemd-160
ce5182b48b097989dac0658c72c5ebb55d66f06b
Diameter
162492
Circumference
510483.67346711
Area
20737378267.255
Volume
2.2464387129351E+15
Surface area
82949513069.018
Circumference
510483.67346711
Perimeter
324984
Area
6600912516
Diagonal
114899.19508856
Surface area
39605475096
Volume
536297738274936
Space diagonal
140722.19991174
Perimeter
243738
Area
2858278963.5073
Altitude
70361.09995587
Surface area
2858278963.5073
Volume
63203294578203
Height
38299.731696188