81362956 is an even 8-digits composite number following 81362955
and preceding 81362957 . In scientific notation, it is written as 8.1362956 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 6 positive divisors.
There are 40681476 positive integers (up to 81362956) that are relatively prime to 81362956.
81362956 has 6 divisors, whose sum is 142385180
The reverse of 81362956 is 65926318
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million three hundred sixty-two thousand nine hundred fifty-six
Scientific notation
8.1362956 × 10^7
Engineering notation
8.1362956 × 10^6
Prime Factorization
2 × 2 × 20340739
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
40681478
Product of the distinct prime numbers
The prime factorization of 81362956 is 2 × 2 × 20340739.
Since it has a total of 3 prime factors.
1 , 1 , 63 , 37 , 482 , 120 , 6244 , 3515 , 37084 , 55440 , 185571 , 371321 , 1645867 , 4680597 , 77988592 , 74072877 , 162224195 , 820237628 , 7583799618 , 4487089243
n×2
162725912
n×3
244088868
n×4
325451824
n×5
406814780
n÷2
40681478
n÷3
27120985.333333
n÷3
20340739
n÷5
16272591.2
n2
6619930609057936
n3
5.3861712286783E+23
n4
4.3823481268742E+31
n5
3.5656079782355E+39
2 √n
9020.1416840314
3 √n
433.32017132935
4 √n
94.974426473822
5 √n
38.201933452784
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81362955
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81362956 can be divided by 6 positive divisors.
The sum of these divisors (counting 81362956) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110110011000000000001100
3
Ternary
12200002122222211
4
Quaternary
10312120000030
5
Quinary
131312103311
6
Senary
12023520204
8
Octal
466300014
10
Decimal
81362956
12
Duodecimal
232b9064
16
Hexadecimal
4d9800c
20
Vigesimal
158a77g
36
Base36
1cfw24
md5
f86cef07992d1d0e838b659285f309ed
sha1
34c81d4a860dd8a33487493ad7a5a90a4e457fcb
sha256
2f049e294253fed1d0190762cb4e95b91a7a59350ddbf4c3e99e4807ded194ae
sha512
5ad038c8aaa0c262ce341b811c6c701ac496c2b1456398589b73a74ab9fb196c6b6762c852880a23842c2f552626ba1198d10134260ab5020f08f0fbb8bba020
ripemd-160
5d893a0d518a1a38b72ec06fa6382e4da83843f7
Diameter
162725912
Circumference
511218529.6879
Area
2.0797125368691E+16
Volume
2.256154128399E+24
Surface area
8.3188501474762E+16
Circumference
511218529.6879
Perimeter
325451824
Area
6619930609057936
Diagonal
115064595.84997
Surface area
39719583654347616
Volume
5.3861712286783E+23
Space diagonal
140924773.64599
Perimeter
244088868
Area
2.8665140393672E+15
Altitude
70462386.822996
Surface area
2.8665140393672E+15
Volume
6.3476636673839E+22
Height
38354865.283322