128402458 is an even 9-digits composite number following 128402457
and preceding 128402459 . In scientific notation, it is written as 1.28402458 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 64201228 positive integers (up to 128402458) that are relatively prime to 128402458.
128402458 has 4 divisors, whose sum is 192603690
The reverse of 128402458 is 854204821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred twenty-eight million four hundred two thousand four hundred fifty-eight
Scientific notation
1.28402458 × 10^8
Engineering notation
1.28402458 × 10^6
Prime Factorization
2 × 64201229
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128402458
Product of the distinct prime numbers
The prime factorization of 128402458 is 2 × 64201229.
Since it has a total of 2 prime factors.
1 , 7 , 71 , 13 , 540 , 138 , 8906 , 3051 , 7393 , 13958 , 392416 , 240105 , 7425625 , 1303979 , 57119394 , 28655481 , 270503166 , 232962025 , 1794765821 , 2609813862
n×2
256804916
n×3
385207374
n×4
513609832
n×5
642012290
n÷2
64201229
n÷3
42800819.333333
n÷3
32100614.5
n÷5
25680491.6
n2
16487191220441764
n3
2.1169958782207E+24
n4
2.7182747433941E+32
n5
3.4903315857112E+40
2 √n
11331.480838796
3 √n
504.49606036783
4 √n
106.44942855082
5 √n
41.851850712048
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
-128402457
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 128402458 can be divided by 4 positive divisors.
The sum of these divisors (counting 128402458) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001110100010000011010
3
Ternary
22221121112001121
4
Quaternary
13221310100122
5
Quinary
230332334313
6
Senary
20424035454
8
Octal
751642032
10
Decimal
128402458
12
Duodecimal
37002b8a
16
Hexadecimal
7a7441a
20
Vigesimal
202a62i
36
Base36
24g3yy
md5
bb6c8c3de605576bad9aa971db019051
sha1
f6a9ed253a9e2b3b8fabc86ef8b7f926b7f0de51
sha256
fd9ec812635380cef5c043a6394821e6c449c0516b388c9e03f60e0d3884ab0e
sha512
1c55a5e662926e6e69a48c6d7e6fdc6e32c744f17bf26d470e9754ba1c91c00447ef68b54590b051342041da5c2a0b3262ee751ed39ac3ecba3c05bf9e0e645d
ripemd-160
cdc5f0e9bfbff3d86d0d3a0cc83ecfd06eac8ab9
Diameter
256804916
Circumference
806776437.51134
Area
5.179603881647E+16
Volume
8.8676515982642E+24
Surface area
2.0718415526588E+17
Circumference
806776437.51134
Perimeter
513609832
Area
16487191220441764
Diagonal
181588497.54564
Surface area
98923147322650584
Volume
2.1169958782207E+24
Space diagonal
222399581.07273
Perimeter
385207374
Area
7.1391632169772E+15
Altitude
111199790.53636
Surface area
7.1391632169772E+15
Volume
2.4949035687231E+23
Height
60529499.181881