128228072 is an even 9-digits composite number following 128228071
and preceding 128228073 . In scientific notation, it is written as 1.28228072 × 10^8.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 54824640 positive integers (up to 128228072) that are relatively prime to 128228072.
128228072 has 32 divisors, whose sum is 275425920
The reverse of 128228072 is 270822821
Previous prime number is 461
Is Prime? no Number parity even Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred twenty-eight million two hundred twenty-eight thousand seventy-two
Scientific notation
1.28228072 × 10^8
Engineering notation
1.28228072 × 10^6
Prime Factorization
2 × 2 × 2 × 7 × 461 × 4967
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
32057018 Product of the distinct prime numbers
The prime factorization of 128228072 is 2 × 2 × 2 × 7 × 461 × 4967.
Since it has a total of 6 prime factors.
2 , 9 , 79 , 63 , 425 , 971 , 5318 , 5226 , 47521 , 30248 , 148148 , 87086 , 7127648 , 2249105 , 13046649 , 63282321 , 522793365 , 899731859 , 6394198518 , 9712565830
n×2
256456144
n×3
384684216
n×4
512912288
n×5
641140360
n÷2
64114036
n÷3
42742690.666667
n÷3
32057018
n÷5
25645614.4
n2
16442438448837184
n3
2.1083821812731E+24
n4
2.703537821438E+32
n5
3.4666944242207E+40
2 √n11323.783466669
3 √n504.26756809637
4 √n106.41326734326
5 √n41.840476560781
1 , 2 , 4 , 7 , 8 , 14 , 28 , 56 , 461 , 922 , 1844 , 3227 , 3688 , 4967 , 6454 , 9934 , 12908 , 19868 , 25816 , 34769 , 39736 , 69538 , 139076 , 278152 , 2289787 , 4579574 , 9159148 , 16028509 , 18318296 , 32057018 , 64114036 , 128228072
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
-128228071 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 128228072 can be divided by 32 positive divisors.
The sum of these divisors (counting 128228072) is 1, the average is 0.03125.
Base
System
Value
2
Binary
111101001001001101011101000
3
Ternary
22221021122211212
4
Quaternary
13221021223220
5
Quinary
230311244242
6
Senary
20420212252
8
Octal
751115350
10
Decimal
128228072
12
Duodecimal
36b3a088
16
Hexadecimal
7a49ae8
20
Vigesimal
2018a3c
36
Base36
24cdew
md5
68259cbdcf8b44acb76ef99407ecaed9
sha1
f999e184ec8230192ba6adb39d09dad2b5fe009b
sha256
36187c88bc70a205e295f56e99a9b2d78e7b2459672296208ade9dee7962d0f1
sha512
b90a22e9a13b72b990e556ef76a2f25bea38631381e4b38c3f75618bddea09535732543b950f8b74ba874a1bfc9274df103cd5d6bbb6c67c35fe39d5105d409c
ripemd-160
4644e176804e2c0e52a0c2cfe31247f75b033c36
Diameter
256456144
Circumference
805680737.95837
Area
5.1655443837969E+16
Volume
8.8315706288628E+24
Surface area
2.0662177535188E+17
Circumference
805680737.95837
Perimeter
512912288
Area
16442438448837184
Diagonal
181341878.49935
Surface area
98654630693023104
Volume
2.1083821812731E+24
Space diagonal
222097535.6606
Perimeter
384684216
Area
7.1197846984275E+15
Altitude
111048767.8303
Surface area
7.1197846984275E+15
Volume
2.4847522295184E+23
Height
60447292.833118