128613640 is an even 9-digits composite number following 128613639
and preceding 128613641 . In scientific notation, it is written as 1.28613640 × 10^8.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 51445440 positive integers (up to 128613640) that are relatively prime to 128613640.
128613640 has 16 divisors, whose sum is 289380780
The reverse of 128613640 is 046316821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-eight million six hundred thirteen thousand six hundred forty
Scientific notation
1.28613640 × 10^8
Engineering notation
1.28613640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 3215341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32153410
Product of the distinct prime numbers
The prime factorization of 128613640 is 2 × 2 × 2 × 5 × 3215341.
Since it has a total of 5 prime factors.
3 , 8 , 68 , 31 , 746 , 122 , 7227 , 810 , 31726 , 10846 , 372004 , 342305 , 6238462 , 5249083 , 63951698 , 51889348 , 380229683 , 441502606 , 7776659513 , 2344597237
n×2
257227280
n×3
385840920
n×4
514454560
n×5
643068200
n÷2
64306820
n÷3
42871213.333333
n÷3
32153410
n÷5
25722728
n2
16541468394049600
n3
2.1274584611037E+24
n4
2.7362017663134E+32
n5
3.5191286894E+40
2 √n
11340.795386568
3 √n
504.77248843981
4 √n
106.49317060999
5 √n
41.86560831275
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 3215341 , 6430682 , 12861364 , 16076705 , 25722728 , 32153410 , 64306820 , 128613640
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
-128613639
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 128613640 can be divided by 16 positive divisors.
The sum of these divisors (counting 128613640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010100111110100001000
3
Ternary
22222000020202011
4
Quaternary
13222213310020
5
Quinary
230411114030
6
Senary
20432345304
8
Octal
752476410
10
Decimal
128613640
12
Duodecimal
370a5234
16
Hexadecimal
7aa7d08
20
Vigesimal
203ge20
36
Base36
24kmx4
md5
da8a9c5a431d26a668c35bb4ccbfd434
sha1
4b24194485b000d0c6c86d4bfa677a537ab68f5f
sha256
75e7442f4b960349d2164f9f28d305ffee3a4c4579f09c12502c10127a910f52
sha512
27448de983393dfadc65d1b9850badd27a5976cfc9839ebae8d9129eed592eaa5cb1307cea2b71ee96a13c659957886f62ddd1d4eee7d73244f5a4099cacee76
ripemd-160
113996da70069c472c9e22d2de653930bd83f646
Diameter
257227280
Circumference
808103333.15088
Area
5.1966555586334E+16
Volume
8.911477162961E+24
Surface area
2.0786622234534E+17
Circumference
808103333.15088
Perimeter
514454560
Area
16541468394049600
Diagonal
181887153.99417
Surface area
99248810364297600
Volume
2.1274584611037E+24
Space diagonal
222765359.02637
Perimeter
385840920
Area
7.1626659225722E+15
Altitude
111382679.51319
Surface area
7.1626659225722E+15
Volume
2.5072338408985E+23
Height
60629051.33139