128927128 is an even 9-digits composite number following 128927127
and preceding 128927129 . In scientific notation, it is written as 1.28927128 × 10^8.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 58603200 positive integers (up to 128927128) that are relatively prime to 128927128.
128927128 has 16 divisors, whose sum is 263714760
The reverse of 128927128 is 821729821
Previous prime number is 11
Is Prime? no
Number parity even
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred twenty-eight million nine hundred twenty-seven thousand one hundred twenty-eight
Scientific notation
1.28927128 × 10^8
Engineering notation
1.28927128 × 10^6
Prime Factorization
2 × 2 × 2 × 11 × 1465081
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
32231782
Product of the distinct prime numbers
The prime factorization of 128927128 is 2 × 2 × 2 × 11 × 1465081.
Since it has a total of 5 prime factors.
1 , 10 , 69 , 56 , 661 , 208 , 4124 , 6096 , 11106 , 86265 , 912281 , 48672 , 5502398 , 8504135 , 19961086 , 69045294 , 977032084 , 183903836 , 4135290751 , 7589193427
n×2
257854256
n×3
386781384
n×4
515708512
n×5
644635640
n÷2
64463564
n÷3
42975709.333333
n÷3
32231782
n÷5
25785425.6
n2
16622204334328384
n3
2.1430530658541E+24
n4
2.7629767693217E+32
n5
3.5622265959936E+40
2 √n
11354.6082275
3 √n
505.18227318932
4 √n
106.55800405178
5 √n
41.885997423206
1 , 2 , 4 , 8 , 11 , 22 , 44 , 88 , 1465081 , 2930162 , 5860324 , 11720648 , 16115891 , 32231782 , 64463564 , 128927128
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
-128927127
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 128927128 can be divided by 16 positive divisors.
The sum of these divisors (counting 128927128) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101011110100010110011000
3
Ternary
22222121011202211
4
Quaternary
13223310112120
5
Quinary
231001132003
6
Senary
20443204504
8
Octal
753642630
10
Decimal
128927128
12
Duodecimal
37216734
16
Hexadecimal
7af4598
20
Vigesimal
205fhg8
36
Base36
24rct4
md5
d660b02d67573289d6e53bc8a460b69c
sha1
6cd2bca26a678431a5d0ac8ce256fa7afe552b1f
sha256
f81d85ab64b243228727175d49283b66946130cbcb64a30ccc40f940821ae566
sha512
ae26f7709a8b6674754a4d0c19a4a4ad597b392ea4c38d57b289a3aa2563bf4796083a9cac46f0f2f66abf31a1ff16e5828cb63fba69726daabb9b19f7c8be3f
ripemd-160
4c5f8d058860b1d89a3b5d4d20124f4d9e448f4b
Diameter
257854256
Circumference
810073036.34646
Area
5.2220195023194E+16
Volume
8.9767996905871E+24
Surface area
2.0888078009278E+17
Circumference
810073036.34646
Perimeter
515708512
Area
16622204334328384
Diagonal
182330492.97541
Surface area
99733226005970304
Volume
2.1430530658541E+24
Space diagonal
223308336.16994
Perimeter
386781384
Area
7.1976256102121E+15
Altitude
111654168.08497
Surface area
7.1976256102121E+15
Volume
2.5256122588468E+23
Height
60776830.991804