72608081 is an odd 8-digits composite number following 72608080
and preceding 72608082 . In scientific notation, it is written as 7.2608081 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 57310848 positive integers (up to 72608081) that are relatively prime to 72608081.
72608081 has 8 divisors, whose sum is 73581600
The reverse of 72608081 is 18080627
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-two million six hundred eight thousand eighty-one
Scientific notation
7.2608081 × 10^7
Engineering notation
7.2608081 × 10^6
Prime Factorization
91 × 619 × 1289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
72608081
Product of the distinct prime numbers
The prime factorization of 72608081 is 91 × 619 × 1289.
Since it has a total of 3 prime factors.
4 , 5 , 64 , 73 , 36 , 912 , 9993 , 4671 , 67206 , 61372 , 356981 , 244235 , 745029 , 3086041 , 29269864 , 87652402 , 697259957 , 960322771 , 8146120737 , 8624995815
n×2
145216162
n×3
217824243
n×4
290432324
n×5
363040405
n÷2
36304040.5
n÷3
24202693.666667
n÷3
18152020.25
n÷5
14521616.2
n2
5271933426502561
n3
3.8278496925811E+23
n4
2.7793282053475E+31
n5
2.0180168745946E+39
2 √n
8521.0375541949
3 √n
417.18464909702
4 √n
92.309466222024
5 √n
37.341949882775
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-72608080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 72608081 can be divided by 8 positive divisors.
The sum of these divisors (counting 72608081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010100111110100101010001
3
Ternary
12001121212120012
4
Quaternary
10110332211101
5
Quinary
122041424311
6
Senary
11112124305
8
Octal
424764521
10
Decimal
72608081
12
Duodecimal
20396695
16
Hexadecimal
453e951
20
Vigesimal
12dg041
36
Base36
1788r5
md5
e2bd7201646cd2ad2ec005b17ff592eb
sha1
9e770182c8740300f964456be58dc205a47206fb
sha256
8f5e237a1a369f09826d2c849853db7848f41cfd7f8c1499e4ee9670590f194d
sha512
f740d4dd946088086ba9ec2926a8a9b0c1196cb93d4bce8b46c5f900c2b4615677cb46cc0dec55a029fe876638f60f323d71f09a9d47d3e54e506926c0d7bd6f
ripemd-160
f2f44bbc6f0329e1248183351e155160deebe130
Diameter
145216162
Circumference
456210027.72171
Area
1.6562267322915E+16
Volume
1.6034059297678E+24
Surface area
6.624906929166E+16
Circumference
456210027.72171
Perimeter
290432324
Area
5271933426502561
Diagonal
102683332.88808
Surface area
31631600559015366
Volume
3.8278496925811E+23
Space diagonal
125760885.33208
Perimeter
217824243
Area
2.2828141372058E+15
Altitude
62880442.666038
Surface area
2.2828141372058E+15
Volume
4.5111641249782E+22
Height
34227777.629361