81336384 is an even 8-digits composite number following 81336383
and preceding 81336385 . In scientific notation, it is written as 8.1336384 × 10^7.
The sum of its digits is 36. It has a total of 8 prime factors and 28 positive divisors.
There are 27111936 positive integers (up to 81336384) that are relatively prime to 81336384.
81336384 has 28 divisors, whose sum is 179336700
The reverse of 81336384 is 48363318
Previous prime number is 9
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million three hundred thirty-six thousand three hundred eighty-four
Scientific notation
8.1336384 × 10^7
Engineering notation
8.1336384 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 9 × 141209
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
2541762
Product of the distinct prime numbers
The prime factorization of 81336384 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 141209.
Since it has a total of 8 prime factors.
1 , 9 , 56 , 65 , 204 , 450 , 2621 , 9615 , 59453 , 65051 , 841921 , 173444 , 473423 , 2753923 , 60429364 , 72028984 , 729553071 , 348838173 , 653960898 , 7764162869
n×2
162672768
n×3
244009152
n×4
325345536
n×5
406681920
n÷2
40668192
n÷3
27112128
n÷3
20334096
n÷5
16267276.8
n2
6615607362195456
n3
5.3808958080476E+23
n4
4.3766260770735E+31
n5
3.5597893922926E+39
2 √n
9018.6686378866
3 √n
433.27299409685
4 √n
94.966671195144
5 √n
38.199437883649
1 , 2 , 4 , 8 , 9 , 16 , 18 , 32 , 36 , 64 , 72 , 144 , 288 , 576 , 141209 , 282418 , 564836 , 1129672 , 1270881 , 2259344 , 2541762 , 4518688 , 5083524 , 9037376 , 10167048 , 20334096 , 40668192 , 81336384
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81336383
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81336384 can be divided by 28 positive divisors.
The sum of these divisors (counting 81336384) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
100110110010001100001000000
3
Ternary
12200001022112200
4
Quaternary
10312101201000
5
Quinary
131310231014
6
Senary
12023153200
8
Octal
466214100
10
Decimal
81336384
12
Duodecimal
232a5800
16
Hexadecimal
4d91840
20
Vigesimal
15870j4
36
Base36
1cfbk0
md5
857b610fb79809e324124e3fbc202720
sha1
e20285faa9cc6d694612cc5da41ab14bbc165156
sha256
e319471a299cc3aa767be69596017ab4bd888198dfce0538a40345e1043d6572
sha512
203e3e706b9d83b229ad221e98465c6cd5f2c5e46d61ef3b0161973a7effeae8fb71ecaf73d14be7245520761d2b62ea60b92199232bc8f302247af086705bc0
ripemd-160
763679a82838efadfcf2899a380e591f176e1900
Diameter
162672768
Circumference
511051572.88792
Area
2.0783543488108E+16
Volume
2.2539443653726E+24
Surface area
8.3134173952431E+16
Circumference
511051572.88792
Perimeter
325345536
Area
6615607362195456
Diagonal
115027017.36719
Surface area
39693644173172736
Volume
5.3808958080476E+23
Space diagonal
140878749.59193
Perimeter
244009152
Area
2.8646420185623E+15
Altitude
70439374.795966
Surface area
2.8646420185623E+15
Volume
6.3414465245478E+22
Height
38342339.122395