81103560 is an even 8-digits composite number following 81103559
and preceding 81103561 . In scientific notation, it is written as 8.1103560 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 16 positive divisors.
There are 21627584 positive integers (up to 81103560) that are relatively prime to 81103560.
81103560 has 16 divisors, whose sum is 162207360
The reverse of 81103560 is 06530118
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred three thousand five hundred sixty
Scientific notation
8.1103560 × 10^7
Engineering notation
8.1103560 × 10^6
Prime Factorization
2 × 2 × 2 × 15 × 675863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20275890
Product of the distinct prime numbers
The prime factorization of 81103560 is 2 × 2 × 2 × 15 × 675863.
Since it has a total of 5 prime factors.
5 , 2 , 12 , 47 , 360 , 199 , 5260 , 9722 , 4347 , 72865 , 925772 , 748107 , 5407727 , 2091856 , 87853423 , 43560959 , 154727295 , 38372332 , 7618582951 , 5042993155
n×2
162207120
n×3
243310680
n×4
324414240
n×5
405517800
n÷2
40551780
n÷3
27034520
n÷3
20275890
n÷5
16220712
n2
6577787444673600
n3
5.3348197868633E+23
n4
4.3267287667306E+31
n5
3.5091310613626E+39
2 √n
9005.7514955721
3 √n
432.85918684256
4 √n
94.89863800694
5 √n
38.177543753886
1 , 2 , 4 , 8 , 15 , 30 , 60 , 120 , 675863 , 1351726 , 2703452 , 5406904 , 10137945 , 20275890 , 40551780 , 81103560
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
-81103559
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 81103560 can be divided by 16 positive divisors.
The sum of these divisors (counting 81103560) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011000101011001000
3
Ternary
12122121111011120
4
Quaternary
10311120223020
5
Quinary
131230303220
6
Senary
12014155240
8
Octal
465305310
10
Decimal
81103560
12
Duodecimal
231b2b20
16
Hexadecimal
4d58ac8
20
Vigesimal
156hii0
36
Base36
1cabwo
md5
bcaa61253230d057c529aa034386f284
sha1
2f6c0dd22681097c83c9fad7bdd62e509cf3860c
sha256
94e5726e6a766f1c0abb989e496ef73258dcc8c879e17e351494cbdf969be1c5
sha512
ee23e4ff8495bb884def94eba4f41f659ca0ef8e61777a1393f60697ae14b2e3c84a18b2b8c76525699d145309963283e7bcdc32ca914d039deea94bab70eaec
ripemd-160
ea63c25f06878a137ae52d3abbea35c066f30401
Diameter
162207120
Circumference
509588696.55196
Area
2.0664728713062E+16
Volume
2.2346440867514E+24
Surface area
8.2658914852247E+16
Circumference
509588696.55196
Perimeter
324414240
Area
6577787444673600
Diagonal
114697754.50874
Surface area
39466724668041600
Volume
5.3348197868633E+23
Space diagonal
140475486.59471
Perimeter
243310680
Area
2.8482655138908E+15
Altitude
70237743.297355
Surface area
2.8482655138908E+15
Volume
6.287145412832E+22
Height
38232584.836247