81602012 is an even 8-digits composite number following 81602011
and preceding 81602013 . In scientific notation, it is written as 8.1602012 × 10^7.
The sum of its digits is 20. It has a total of 4 prime factors and 12 positive divisors.
There are 40782720 positive integers (up to 81602012) that are relatively prime to 81602012.
81602012 has 12 divisors, whose sum is 142867536
The reverse of 81602012 is 21020618
Previous prime number is 5281
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
eighty-one million six hundred two thousand twelve
Scientific notation
8.1602012 × 10^7
Engineering notation
8.1602012 × 10^6
Prime Factorization
2 × 2 × 5281 × 3863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40801006
Product of the distinct prime numbers
The prime factorization of 81602012 is 2 × 2 × 5281 × 3863.
Since it has a total of 4 prime factors.
4 , 3 , 25 , 38 , 29 , 243 , 6966 , 9665 , 85776 , 46896 , 657720 , 61742 , 1526338 , 6599533 , 40521827 , 27593365 , 867304813 , 634644650 , 9806298460 , 9413742606
n×2
163204024
n×3
244806036
n×4
326408048
n×5
408010060
n÷2
40801006
n÷3
27200670.666667
n÷3
20400503
n÷5
16320402.4
n2
6658888362448144
n3
5.4337868805915E+23
n4
4.4340794223547E+31
n5
3.6182980223194E+39
2 √n
9033.3831978944
3 √n
433.7441419147
4 √n
95.044111852836
5 √n
38.224355665087
1 , 2 , 4 , 3863 , 5281 , 7726 , 10562 , 15452 , 21124 , 20400503 , 40801006 , 81602012
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
-81602011
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 81602012 can be divided by 12 positive divisors.
The sum of these divisors (counting 81602012) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111010010010111011100
3
Ternary
12200112210220202
4
Quaternary
10313102113130
5
Quinary
131342231022
6
Senary
12033003032
8
Octal
467222734
10
Decimal
81602012
12
Duodecimal
233b3478
16
Hexadecimal
4dd25dc
20
Vigesimal
15a050c
36
Base36
1cl0ik
md5
21dcf211e152b7255be9c182ac53dfb9
sha1
2cde6e6595889859effcfaffc4c4b34d2040f311
sha256
85de6434ef58342bd653e46849b8febf50283763eda5cac87c4ebd63f2ad2f00
sha512
713ea801a15d9aa4f8ea20a57f17db79001de3b7acce1a1be9840eaf588d36c59c11117e4b83b719afeb51bdcbf46fc5a39629e07c93754e4bfd98349e3894cb
ripemd-160
03de3d1b5553488977418c4f22bb47a0a85e2c33
Diameter
163204024
Circumference
512720562.83469
Area
2.0919514760542E+16
Volume
2.2760993260319E+24
Surface area
8.3678059042167E+16
Circumference
512720562.83469
Perimeter
326408048
Area
6658888362448144
Diagonal
115402672.08733
Surface area
39953330174688864
Volume
5.4337868805915E+23
Space diagonal
141338830.78385
Perimeter
244806036
Area
2.8833832414223E+15
Altitude
70669415.391923
Surface area
2.8833832414223E+15
Volume
6.4037792513146E+22
Height
38467557.362444