128142018 is an even 9-digits composite number following 128142017
and preceding 128142019 . In scientific notation, it is written as 1.28142018 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 42681600 positive integers (up to 128142018) that are relatively prime to 128142018.
128142018 has 16 divisors, whose sum is 213732120
The reverse of 128142018 is 810241821
Previous prime number is 3121
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-eight million one hundred forty-two thousand eighteen
Scientific notation
1.28142018 × 10^8
Engineering notation
1.28142018 × 10^6
Prime Factorization
2 × 9 × 3121 × 2281
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128142018
Product of the distinct prime numbers
The prime factorization of 128142018 is 2 × 9 × 3121 × 2281.
Since it has a total of 4 prime factors.
2 , 10 , 99 , 80 , 345 , 86 , 9247 , 5951 , 12863 , 42609 , 360906 , 65940 , 8903707 , 7373909 , 29879991 , 50795715 , 319257209 , 911399886 , 2448995827 , 9995308507
n×2
256284036
n×3
384426054
n×4
512568072
n×5
640710090
n÷2
64071009
n÷3
42714006
n÷3
32035504.5
n÷5
25628403.6
n2
16420376777112324
n3
2.1041402165395E+24
n4
2.6962877350233E+32
n5
3.4550775147453E+40
2 √n
11319.983127196
3 √n
504.15473801282
4 √n
106.39540933328
5 √n
41.834859214698
1 , 2 , 9 , 18 , 2281 , 3121 , 4562 , 6242 , 20529 , 28089 , 41058 , 56178 , 7119001 , 14238002 , 64071009 , 128142018
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
-128142017
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 128142018 can be divided by 16 positive divisors.
The sum of these divisors (counting 128142018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101000110100101011000010
3
Ternary
22221010021210200
4
Quaternary
13220310223002
5
Quinary
230301021033
6
Senary
20414310030
8
Octal
750645302
10
Decimal
128142018
12
Duodecimal
36ab8316
16
Hexadecimal
7a34ac2
20
Vigesimal
200hf0i
36
Base36
24aj0i
md5
8f1e0ef7af090d2d8561fbca70a3d5c7
sha1
6149e82f76acce9cf065d2cf08f47735d280d115
sha256
f4cec106a908a4370e7165d3dcaa977a46018f803364f88953420db8b1f15eb1
sha512
07d03d22d9397b5b841815e18eefde40c6f1b133bb937b0014bea4466d2c825af7eeefc299f6e4376ff23c86d08e4512e79d2d9fead13e4acb1189675fbab34f
ripemd-160
bc5601e1191871971525636fa8e50def0af0cab8
Diameter
256284036
Circumference
805140044.72994
Area
5.1586135052153E+16
Volume
8.8138019285378E+24
Surface area
2.0634454020861E+17
Circumference
805140044.72994
Perimeter
512568072
Area
16420376777112324
Diagonal
181220179.76546
Surface area
98522260662673944
Volume
2.1041402165395E+24
Space diagonal
221948485.76041
Perimeter
384426054
Area
7.1102317143457E+15
Altitude
110974242.8802
Surface area
7.1102317143457E+15
Volume
2.4797530261374E+23
Height
60406726.588486