81103732 is an even 8-digits composite number following 81103731
and preceding 81103733 . In scientific notation, it is written as 8.1103732 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 40504376 positive integers (up to 81103732) that are relatively prime to 81103732.
81103732 has 12 divisors, whose sum is 142097760
The reverse of 81103732 is 23730118
Previous prime number is 887
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million one hundred three thousand seven hundred thirty-two
Scientific notation
8.1103732 × 10^7
Engineering notation
8.1103732 × 10^6
Prime Factorization
2 × 2 × 887 × 22859
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40551866
Product of the distinct prime numbers
The prime factorization of 81103732 is 2 × 2 × 887 × 22859.
Since it has a total of 4 prime factors.
8 , 6 , 88 , 18 , 985 , 871 , 6653 , 8892 , 12009 , 48093 , 855571 , 909022 , 4866911 , 6391662 , 29598959 , 35270649 , 562184962 , 699984952 , 5408227184 , 5530564506
n×2
162207464
n×3
243311196
n×4
324414928
n×5
405518660
n÷2
40551866
n÷3
27034577.333333
n÷3
20275933
n÷5
16220746.4
n2
6577815344327824
n3
5.3348537283185E+23
n4
4.3267654704075E+31
n5
3.5091682713878E+39
2 √n
9005.76104502
3 √n
432.85949283705
4 √n
94.898688320862
5 √n
38.177559946843
1 , 2 , 4 , 887 , 1774 , 3548 , 22859 , 45718 , 91436 , 20275933 , 40551866 , 81103732
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
-81103731
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 81103732 can be divided by 12 positive divisors.
The sum of these divisors (counting 81103732) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101011000101101110100
3
Ternary
12122121111101221
4
Quaternary
10311120231310
5
Quinary
131230304412
6
Senary
12014200124
8
Octal
465305564
10
Decimal
81103732
12
Duodecimal
231b3044
16
Hexadecimal
4d58b74
20
Vigesimal
156hj6c
36
Base36
1cac1g
md5
b1fc98ca98826441824c697485c554d6
sha1
c235de71ebfcbc3e5b2160579bcceccdb080befe
sha256
c1b47d2aa3a10186cf5db01176dfcc798498bd116ef035973be1887148a45626
sha512
ffad2c38b2f3c9a7d4a5dabbc0b91c81b33b2f0246eaeebe91b3bd0ec7e0fe9b7db530d3900ca0af657b78f57be6e9c0fbf067c13b3d9c739994c904189d3cf8
ripemd-160
58ddc71889d4cc5eceabb3a06a4e4fdbf6e19a5f
Diameter
162207464
Circumference
509589777.25983
Area
2.0664816362411E+16
Volume
2.2346583041149E+24
Surface area
8.2659265449642E+16
Circumference
509589777.25983
Perimeter
324414928
Area
6577815344327824
Diagonal
114697997.75347
Surface area
39466892065966944
Volume
5.3348537283185E+23
Space diagonal
140475784.50745
Perimeter
243311196
Area
2.8482775947955E+15
Altitude
70237892.253725
Surface area
2.8482775947955E+15
Volume
6.2871854132206E+22
Height
38232665.917824