128472018 is an even 9-digits composite number following 128472017
and preceding 128472019 . In scientific notation, it is written as 1.28472018 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 42805440 positive integers (up to 128472018) that are relatively prime to 128472018.
128472018 has 16 divisors, whose sum is 257055456
The reverse of 128472018 is 810274821
Previous prime number is 4273
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred twenty-eight million four hundred seventy-two thousand eighteen
Scientific notation
1.28472018 × 10^8
Engineering notation
1.28472018 × 10^6
Prime Factorization
2 × 3 × 4273 × 5011
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128472018
Product of the distinct prime numbers
The prime factorization of 128472018 is 2 × 3 × 4273 × 5011.
Since it has a total of 4 prime factors.
7 , 1 , 52 , 72 , 742 , 492 , 2062 , 4608 , 86093 , 56568 , 826095 , 743877 , 9769760 , 1091642 , 22307507 , 32257453 , 625275985 , 506300971 , 3088919808 , 1707873017
n×2
256944036
n×3
385416054
n×4
513888072
n×5
642360090
n÷2
64236009
n÷3
42824006
n÷3
32118004.5
n÷5
25694403.6
n2
16505059408992324
n3
2.1204382894831E+24
n4
2.7241698609437E+32
n5
3.4997959941021E+40
2 √n
11334.549748446
3 √n
504.58714484143
4 √n
106.46384244637
5 √n
41.856384245353
1 , 2 , 3 , 6 , 4273 , 5011 , 8546 , 10022 , 12819 , 15033 , 25638 , 30066 , 21412003 , 42824006 , 64236009 , 128472018
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
-128472017
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 128472018 can be divided by 16 positive divisors.
The sum of these divisors (counting 128472018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101010000101001111010010
3
Ternary
22221202001110220
4
Quaternary
13222011033102
5
Quinary
230342101033
6
Senary
20425333510
8
Octal
752051722
10
Decimal
128472018
12
Duodecimal
37037296
16
Hexadecimal
7a853d2
20
Vigesimal
202j00i
36
Base36
24hln6
md5
b65f1e0303592cd4f6dabeb8be13a647
sha1
5ef5f9e67150204a6b4e418e3af4e4f57cbd3a18
sha256
ca4de476c56c53528a990a5cf6a986be7c7a3644b54f3d4580f6955971fcb37e
sha512
f5d2dae260a83b349f3f930618f4c0447ac64fd92b951ae712526e02c3aba30582c3a3552d52e8647a8aa1326d4a7e174e1da5d35a66efa2da19361213653c8c
ripemd-160
b11a577ccc46135bfb3f23e0a8de93f9ab4d7462
Diameter
256944036
Circumference
807213495.88131
Area
5.1852173386353E+16
Volume
8.8820711368409E+24
Surface area
2.0740869354541E+17
Circumference
807213495.88131
Perimeter
513888072
Area
16505059408992324
Diagonal
181686870.24104
Surface area
99030356453953944
Volume
2.1204382894831E+24
Space diagonal
222520062.5269
Perimeter
385416054
Area
7.1469003695794E+15
Altitude
111260031.26345
Surface area
7.1469003695794E+15
Volume
2.4989604893019E+23
Height
60562290.080347