128388613 is an odd 9-digits prime number following 128388612
and preceding 128388614 . In scientific notation, it is written as 1.28388613 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 128388612 positive integers (up to 128388613) that are relatively prime to 128388613.
128388613 has 2 divisors, whose sum is 128388614
The reverse of 128388613 is 316883821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million three hundred eighty-eight thousand six hundred thirteen
Scientific notation
1.28388613 × 10^8
Engineering notation
1.28388613 × 10^6
Prime Factorization
128388613
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
128388613
Product of the distinct prime numbers
The prime factorization of 128388613 is 128388613.
Since it has a total of 1 prime factors.
9 , 2 , 32 , 19 , 560 , 710 , 5479 , 172 , 83252 , 1266 , 471120 , 122188 , 84095 , 2013780 , 41856229 , 57545755 , 317973004 , 37077698 , 9709207358 , 7703613231
n×2
256777226
n×3
385165839
n×4
513554452
n×5
641943065
n÷2
64194306.5
n÷3
42796204.333333
n÷3
32097153.25
n÷5
25677722.6
n2
16483635948063769
n3
2.1163111565688E+24
n4
2.717102540683E+32
n5
3.4884502657707E+40
2 √n
11330.869913647
3 √n
504.47792728035
4 √n
106.44655895635
5 √n
41.850948137635
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
128388614
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
64194307
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
11330.869957775
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999844223
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128388613 can be divided by 2 positive divisors.
The sum of these divisors (counting 128388613) is 128388614, the average is 64194307.
Base
System
Value
2
Binary
111101001110000111000000101
3
Ternary
22221120211001211
4
Quaternary
13221300320011
5
Quinary
230331413423
6
Senary
20423451421
8
Octal
751607005
10
Decimal
128388613
12
Duodecimal
36bb6b71
16
Hexadecimal
7a70e05
20
Vigesimal
2028bad
36
Base36
24ftad
md5
b47a5f4e5d6b4f4cca1f2f8ee23aa32d
sha1
bbe0ffc115bad647c9284a4cf16fde529e47f278
sha256
a1cb1406f2f0721b171b95e1b33428756f20ce57357401b6d15e309d58b089dd
sha512
a28b407435a2e4e41eb95a400c107488e2a72e3bc57dd9c04f53c20651ada2870760e332589a861110ad4b9236886ab2b759c1ba498dd82aa9ae0cffdde88631
ripemd-160
9674fbfcd84ab210bdddd2843a75d9d596498ddc
Diameter
256777226
Circumference
806689446.81077
Area
5.1784869598886E+16
Volume
8.8647834429157E+24
Surface area
2.0713947839554E+17
Circumference
806689446.81077
Perimeter
513554452
Area
16483635948063769
Diagonal
181568917.75887
Surface area
98901815688382614
Volume
2.1163111565688E+24
Space diagonal
222375600.8293
Perimeter
385165839
Area
7.1376237388788E+15
Altitude
111187800.41465
Surface area
7.1376237388788E+15
Volume
2.4940966165176E+23
Height
60522972.58629