128207612 is an even 9-digits composite number following 128207611
and preceding 128207613 . In scientific notation, it is written as 1.28207612 × 10^8.
The sum of its digits is 29. It has a total of 5 prime factors and 24 positive divisors.
There are 56599488 positive integers (up to 128207612) that are relatively prime to 128207612.
128207612 has 24 divisors, whose sum is 252129696
The reverse of 128207612 is 216702821
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-eight million two hundred seven thousand six hundred twelve
Scientific notation
1.28207612 × 10^8
Engineering notation
1.28207612 × 10^6
Prime Factorization
2 × 2 × 13 × 23 × 107197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
64103806
Product of the distinct prime numbers
The prime factorization of 128207612 is 2 × 2 × 13 × 23 × 107197.
Since it has a total of 5 prime factors.
9 , 3 , 57 , 20 , 646 , 863 , 3199 , 8872 , 13317 , 46112 , 512014 , 163174 , 9684723 , 8316187 , 61299652 , 1065620 , 922926805 , 827802485 , 6643270830 , 8549691353
n×2
256415224
n×3
384622836
n×4
512830448
n×5
641038060
n÷2
64103806
n÷3
42735870.666667
n÷3
32051903
n÷5
25641522.4
n2
16437191774742544
n3
2.1073731054258E+24
n4
2.7018127343966E+32
n5
3.4639295874818E+40
2 √n
11322.880022326
3 √n
504.24074645201
4 √n
106.40902227878
5 √n
41.839141266911
1 , 2 , 4 , 13 , 23 , 26 , 46 , 52 , 92 , 299 , 598 , 1196 , 107197 , 214394 , 428788 , 1393561 , 2465531 , 2787122 , 4931062 , 5574244 , 9862124 , 32051903 , 64103806 , 128207612
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128207611
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128207612 can be divided by 24 positive divisors.
The sum of these divisors (counting 128207612) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
111101001000100101011111100
3
Ternary
22221020121210002
4
Quaternary
13221010223330
5
Quinary
230310120422
6
Senary
20415533432
8
Octal
751045374
10
Decimal
128207612
12
Duodecimal
36b2a278
16
Hexadecimal
7a44afc
20
Vigesimal
2015j0c
36
Base36
24bxmk
md5
e90627c32340a0d6ff4712f1548a9c77
sha1
117733012d286fb9ef8f0ef6b2bbe4f804a27f8b
sha256
908f00be82c85ece4efd49de4ad4021d46f495504b5e1b298016c9f020fcad3b
sha512
7503a6d99addfad81b98ee2ba6897314b7792a863be072f3782cb8cf1d6b1599d3b87ca90d992c24f6e3a42fd7fb9060613bfe94e1cfce767d1a2674f99e642c
ripemd-160
f8f77e3ced246091ac668a87fd3338988ae165bd
Diameter
256415224
Circumference
805552183.98698
Area
5.1638960925178E+16
Volume
8.8273438218378E+24
Surface area
2.0655584370071E+17
Circumference
805552183.98698
Perimeter
512830448
Area
16437191774742544
Diagonal
181312943.68987
Surface area
98623150648455264
Volume
2.1073731054258E+24
Space diagonal
222062097.90108
Perimeter
384622836
Area
7.1175128219018E+15
Altitude
111031048.95054
Surface area
7.1175128219018E+15
Volume
2.4835630222279E+23
Height
60437647.896623