81396044 is an even 8-digits composite number following 81396043
and preceding 81396045 . In scientific notation, it is written as 8.1396044 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 12 positive divisors.
There are 40660704 positive integers (up to 81396044) that are relatively prime to 81396044.
81396044 has 12 divisors, whose sum is 142573704
The reverse of 81396044 is 44069318
Previous prime number is 1163
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
eighty-one million three hundred ninety-six thousand forty-four
Scientific notation
8.1396044 × 10^7
Engineering notation
8.1396044 × 10^6
Prime Factorization
2 × 2 × 1163 × 17497
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40698022
Product of the distinct prime numbers
The prime factorization of 81396044 is 2 × 2 × 1163 × 17497.
Since it has a total of 4 prime factors.
6 , 2 , 76 , 33 , 503 , 945 , 1084 , 5118 , 57784 , 35159 , 841938 , 935757 , 4499511 , 2223958 , 28628004 , 74974739 , 806590545 , 807939557 , 5777364379 , 1006508471
n×2
162792088
n×3
244188132
n×4
325584176
n×5
406980220
n÷2
40698022
n÷3
27132014.666667
n÷3
20349011
n÷5
16279208.8
n2
6625315978849936
n3
5.3927451092837E+23
n4
4.3894811819604E+31
n5
3.5728640342402E+39
2 √n
9021.97561513
3 √n
433.37890303148
4 √n
94.984080851109
5 √n
38.205040075427
1 , 2 , 4 , 1163 , 2326 , 4652 , 17497 , 34994 , 69988 , 20349011 , 40698022 , 81396044
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81396043
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81396044 can be divided by 12 positive divisors.
The sum of these divisors (counting 81396044) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110100000000101001100
3
Ternary
12200011100101022
4
Quaternary
10312200011030
5
Quinary
131314133134
6
Senary
12024333312
8
Octal
466400514
10
Decimal
81396044
12
Duodecimal
23314238
16
Hexadecimal
4da014c
20
Vigesimal
158ea24
36
Base36
1cgll8
md5
d76d63faf1af429c94bffc3009460f51
sha1
bad6222c59817cf5a4578bd6fc658a954de39c78
sha256
6fbf2f53171bca5f306ba74f152bcd7cd8284d9b293f61fd1e5fb897b6fd4d4c
sha512
5c8d8fb6512c38ee4d6282e62d92ca5cb59586156123f625e58acf5dcd6cd54afa55d5e71da40a7e8bad4c572960064664251fc85fc8edc94ca708d48fb8b5fe
ripemd-160
1fbe86fd4c338ead1660683cf7a150b1ee472624
Diameter
162792088
Circumference
511426427.72334
Area
2.0814044006866E+16
Volume
2.2589077890677E+24
Surface area
8.3256176027464E+16
Circumference
511426427.72334
Perimeter
325584176
Area
6625315978849936
Diagonal
115111389.34832
Surface area
39751895873099616
Volume
5.3927451092837E+23
Space diagonal
140982083.74311
Perimeter
244188132
Area
2.8688459728915E+15
Altitude
70491041.871556
Surface area
2.8688459728915E+15
Volume
6.3554110599752E+22
Height
38370463.116106