81182212 is an even 8-digits composite number following 81182211
and preceding 81182213 . In scientific notation, it is written as 8.1182212 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 24 positive divisors.
There are 38340576 positive integers (up to 81182212) that are relatively prime to 81182212.
81182212 has 24 divisors, whose sum is 149990400
The reverse of 81182212 is 21228118
Previous prime number is 2789
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million one hundred eighty-two thousand two hundred twelve
Scientific notation
8.1182212 × 10^7
Engineering notation
8.1182212 × 10^6
Prime Factorization
2 × 2 × 19 × 2789 × 383
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
40591106
Product of the distinct prime numbers
The prime factorization of 81182212 is 2 × 2 × 19 × 2789 × 383.
Since it has a total of 5 prime factors.
2 , 6 , 86 , 12 , 537 , 19 , 9619 , 2368 , 95650 , 82003 , 806062 , 492411 , 5931376 , 1205533 , 51828029 , 92019135 , 415966533 , 878606469 , 7657272245 , 9950037661
n×2
162364424
n×3
243546636
n×4
324728848
n×5
405911060
n÷2
40591106
n÷3
27060737.333333
n÷3
20295553
n÷5
16236442.4
n2
6590551545212944
n3
5.350355527404E+23
n4
4.3435369670109E+31
n5
3.5261793888571E+39
2 √n
9010.1172023454
3 √n
432.9990666099
4 √n
94.921637166377
5 √n
38.184945589413
1 , 2 , 4 , 19 , 38 , 76 , 383 , 766 , 1532 , 2789 , 5578 , 7277 , 11156 , 14554 , 29108 , 52991 , 105982 , 211964 , 1068187 , 2136374 , 4272748 , 20295553 , 40591106 , 81182212
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81182211
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81182212 can be divided by 24 positive divisors.
The sum of these divisors (counting 81182212) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101101011111000000100
3
Ternary
12122202111001121
4
Quaternary
10311223320010
5
Quinary
131240312322
6
Senary
12020003324
8
Octal
465537004
10
Decimal
81182212
12
Duodecimal
23230544
16
Hexadecimal
4d6be04
20
Vigesimal
1577fac
36
Base36
1cc0lg
md5
a8ff991e28c896e7973df50222fe418c
sha1
e0842ef9e256e12164820b96dd0b55e5083a9bc9
sha256
884c77defff1d7d4ddbef0a2838703af4ede49065f8697d46e47af092db804fa
sha512
6367475d59e45bf00db2868f95a08581c248aaceaada17b1ef00897e5f1c9a46295e1db1733c74450fe970ab7646401ce30d7bf1f4c7e4523a0722dfa2865edc
ripemd-160
24e107ded1581fde7c8ddb8294caf28d891cf6a5
Diameter
162364424
Circumference
510082881.64274
Area
2.0704828317546E+16
Volume
2.2411516825315E+24
Surface area
8.2819313270183E+16
Circumference
510082881.64274
Perimeter
324728848
Area
6590551545212944
Diagonal
114808985.23385
Surface area
39543309271277664
Volume
5.350355527404E+23
Space diagonal
140611715.85483
Perimeter
243546636
Area
2.8537925315526E+15
Altitude
70305857.927414
Surface area
2.8537925315526E+15
Volume
6.3054544586439E+22
Height
38269661.744616