128608081 is an odd 9-digits composite number following 128608080
and preceding 128608082 . In scientific notation, it is written as 1.28608081 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 110235492 positive integers (up to 128608081) that are relatively prime to 128608081.
128608081 has 4 divisors, whose sum is 146980672
The reverse of 128608081 is 180806821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million six hundred eight thousand eighty-one
Scientific notation
1.28608081 × 10^8
Engineering notation
1.28608081 × 10^6
Prime Factorization
7 × 18372583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128608081
Product of the distinct prime numbers
The prime factorization of 128608081 is 7 × 18372583.
Since it has a total of 2 prime factors.
7 , 10 , 70 , 99 , 742 , 500 , 3204 , 552 , 7825 , 63467 , 432683 , 405595 , 2546292 , 2841002 , 19609047 , 33495725 , 93841596 , 237313680 , 2852694840 , 9460289199
n×2
257216162
n×3
385824243
n×4
514432324
n×5
643040405
n÷2
64304040.5
n÷3
42869360.333333
n÷3
32152020.25
n÷5
25721616.2
n2
16540038498502561
n3
2.1271826109585E+24
n4
2.7357287353195E+32
n5
3.5183682278599E+40
2 √n
11340.55029529
3 √n
504.7652158294
4 √n
106.4920198667
5 √n
41.865246399441
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128608080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128608081 can be divided by 4 positive divisors.
The sum of these divisors (counting 128608081) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101010100110011101010001
3
Ternary
22221222222010021
4
Quaternary
13222212131101
5
Quinary
230410424311
6
Senary
20432303441
8
Octal
752463521
10
Decimal
128608081
12
Duodecimal
370a1b81
16
Hexadecimal
7aa6751
20
Vigesimal
203g041
36
Base36
24kimp
md5
a19c3c585b091dd6be8db33eb3433c76
sha1
3023907eb0d2c0545708785a167ee00ede361bb0
sha256
1218f3beba60c6556ff3c21401cc3f7369f844bdfbfd32d67c289923258e1e1c
sha512
f5f01722bacb6492998239b00ad29011674addf8fe371c0bb4bc6b1a6a1455c23c8b3caf35996ba5780b108f556284e2db04e5676302d64d171e8500329480d0
ripemd-160
675ff8e603454fe60f143483b8c8e1f3334b391a
Diameter
257216162
Circumference
808068404.92376
Area
5.1962063436988E+16
Volume
8.9103216845751E+24
Surface area
2.0784825374795E+17
Circumference
808068404.92376
Perimeter
514432324
Area
16540038498502561
Diagonal
181879292.38098
Surface area
99240230991015366
Volume
2.1271826109585E+24
Space diagonal
222755730.55593
Perimeter
385824243
Area
7.1620467596379E+15
Altitude
111377865.27797
Surface area
7.1620467596379E+15
Volume
2.5069087483848E+23
Height
60626430.793659