128402456 is an even 9-digits composite number following 128402455
and preceding 128402457 . In scientific notation, it is written as 1.28402456 × 10^8.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 48117888 positive integers (up to 128402456) that are relatively prime to 128402456.
128402456 has 32 divisors, whose sum is 261251760
The reverse of 128402456 is 654204821
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-eight million four hundred two thousand four hundred fifty-six
Scientific notation
1.28402456 × 10^8
Engineering notation
1.28402456 × 10^6
Prime Factorization
2 × 2 × 2 × 133 × 13 × 9283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
32100614
Product of the distinct prime numbers
The prime factorization of 128402456 is 2 × 2 × 2 × 133 × 13 × 9283.
Since it has a total of 6 prime factors.
8 , 6 , 2 , 54 , 36 , 705 , 2032 , 868 , 96177 , 2742 , 766463 , 711218 , 3273814 , 1497181 , 29553418 , 62063601 , 52445175 , 292450994 , 7942793414 , 3336250755
n×2
256804912
n×3
385207368
n×4
513609824
n×5
642012280
n÷2
64201228
n÷3
42800818.666667
n÷3
32100614
n÷5
25680491.2
n2
16487190706831936
n3
2.1169957792976E+24
n4
2.7182745740345E+32
n5
3.4903313138838E+40
2 √n
11331.480750546
3 √n
504.49605774849
4 √n
106.4494281363
5 √n
41.851850581671
1 , 2 , 4 , 8 , 13 , 26 , 52 , 104 , 133 , 266 , 532 , 1064 , 1729 , 3458 , 6916 , 9283 , 13832 , 18566 , 37132 , 74264 , 120679 , 241358 , 482716 , 965432 , 1234639 , 2469278 , 4938556 , 9877112 , 16050307 , 32100614 , 64201228 , 128402456
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128402455
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128402456 can be divided by 32 positive divisors.
The sum of these divisors (counting 128402456) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001110100010000011000
3
Ternary
22221121112001112
4
Quaternary
13221310100120
5
Quinary
230332334311
6
Senary
20424035452
8
Octal
751642030
10
Decimal
128402456
12
Duodecimal
37002b88
16
Hexadecimal
7a74418
20
Vigesimal
202a62g
36
Base36
24g3yw
md5
29b7900e8bdfae70f0a0158ac3f80325
sha1
3ca42ebc98e0c5e2cfd53910548a5f9e08940097
sha256
1b1964416524399a26d2cd1ea1ef8cb4273c507d15f31a0db3c587941aa5ad36
sha512
f88be5aba14fb1303b6f5cd6ba60a4768e2fe8d115fc081fd28e8ddc914cbf94d8afa68c17b070a4308cb933733c1ffcf10e0a0729c8521d30bb7fbbfa10a138
ripemd-160
a91de712af242e6a1b1a4dd192fed5b5e030be22
Diameter
256804912
Circumference
806776424.94497
Area
5.1796037202917E+16
Volume
8.8676511838959E+24
Surface area
2.0718414881167E+17
Circumference
806776424.94497
Perimeter
513609824
Area
16487190706831936
Diagonal
181588494.71721
Surface area
98923144240991616
Volume
2.1169957792976E+24
Space diagonal
222399577.60863
Perimeter
385207368
Area
7.1391629945776E+15
Altitude
111199788.80431
Surface area
7.1391629945776E+15
Volume
2.4949034521411E+23
Height
60529498.239072