81396056 is an even 8-digits composite number following 81396055
and preceding 81396057 . In scientific notation, it is written as 8.1396056 × 10^7.
The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors.
There are 34883856 positive integers (up to 81396056) that are relatively prime to 81396056.
81396056 has 16 divisors, whose sum is 155733000
The reverse of 81396056 is 65069318
Previous prime number is 49
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million three hundred ninety-six thousand fifty-six
Scientific notation
8.1396056 × 10^7
Engineering notation
8.1396056 × 10^6
Prime Factorization
2 × 2 × 2 × 49 × 207643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20349014
Product of the distinct prime numbers
The prime factorization of 81396056 is 2 × 2 × 2 × 49 × 207643.
Since it has a total of 5 prime factors.
2 , 10 , 97 , 54 , 42 , 716 , 6269 , 5979 , 10429 , 27904 , 890609 , 257834 , 8929569 , 582762 , 18825267 , 19478546 , 655514998 , 47494857 , 5232082655 , 4111114616
n×2
162792112
n×3
244188168
n×4
325584224
n×5
406980280
n÷2
40698028
n÷3
27132018.666667
n÷3
20349014
n÷5
16279211.2
n2
6625317932355136
n3
5.3927474943978E+23
n4
4.3894837704787E+31
n5
3.5728666679297E+39
2 √n
9021.9762801728
3 √n
433.37892432878
4 √n
94.984084351921
5 √n
38.20504120192
1 , 2 , 4 , 8 , 49 , 98 , 196 , 392 , 207643 , 415286 , 830572 , 1661144 , 10174507 , 20349014 , 40698028 , 81396056
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81396055
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81396056 can be divided by 16 positive divisors.
The sum of these divisors (counting 81396056) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110100000000101011000
3
Ternary
12200011100101202
4
Quaternary
10312200011120
5
Quinary
131314133211
6
Senary
12024333332
8
Octal
466400530
10
Decimal
81396056
12
Duodecimal
23314248
16
Hexadecimal
4da0158
20
Vigesimal
158ea2g
36
Base36
1cgllk
md5
5c5a68c93d273261fc17892ccd9dd215
sha1
98410cc5a2fabda04723c1f8dfb3594046849d47
sha256
d4c7ab1edb1fcfd404b16552f8a0544e71bb9bcd8359c1e965fdf1b829659d91
sha512
8f9ab6d35bcf3c6e56ee031a455bf08aa18bf45dd4359e66654e0a93d88dc47aaafa727f9c5b342d6f3bad407da568d5eff154eca99bba5bb92b0922baea048a
ripemd-160
cacebbb82cacb76cb7349cdf249f0071c00c8b92
Diameter
162792112
Circumference
511426503.12157
Area
2.0814050143984E+16
Volume
2.258908788142E+24
Surface area
8.3256200575934E+16
Circumference
511426503.12157
Perimeter
325584224
Area
6625317932355136
Diagonal
115111406.31888
Surface area
39751907594130816
Volume
5.3927474943978E+23
Space diagonal
140982104.52772
Perimeter
244188168
Area
2.8688468187841E+15
Altitude
70491052.263861
Surface area
2.8688468187841E+15
Volume
6.3554138708591E+22
Height
38370468.77296