128021228 is an even 9-digits composite number following 128021227
and preceding 128021229 . In scientific notation, it is written as 1.28021228 × 10^8.
The sum of its digits is 26. It has a total of 3 prime factors and 6 positive divisors.
There are 64010612 positive integers (up to 128021228) that are relatively prime to 128021228.
128021228 has 6 divisors, whose sum is 224037156
The reverse of 128021228 is 822120821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 26
Digital Root 8
Name
one hundred twenty-eight million twenty-one thousand two hundred twenty-eight
Scientific notation
1.28021228 × 10^8
Engineering notation
1.28021228 × 10^6
Prime Factorization
2 × 2 × 32005307
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64010614
Product of the distinct prime numbers
The prime factorization of 128021228 is 2 × 2 × 32005307.
Since it has a total of 3 prime factors.
9 , 4 , 100 , 93 , 68 , 11 , 3978 , 5652 , 76192 , 5399 , 522920 , 388099 , 6783526 , 7968365 , 57510984 , 26372814 , 291791840 , 693889865 , 6783081490 , 9989347424
n×2
256042456
n×3
384063684
n×4
512084912
n×5
640106140
n÷2
64010614
n÷3
42673742.666667
n÷3
32005307
n÷5
25604245.6
n2
16389434818627984
n3
2.0981955717067E+24
n4
2.6861357367406E+32
n5
3.4388239559221E+40
2 √n
11314.646614013
3 √n
503.99627842217
4 √n
106.37032769534
5 √n
41.826969313906
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128021227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128021228 can be divided by 6 positive divisors.
The sum of these divisors (counting 128021228) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111101000010111001011101100
3
Ternary
22220220011002222
4
Quaternary
13220113023230
5
Quinary
230233134403
6
Senary
20411534512
8
Octal
750271354
10
Decimal
128021228
12
Duodecimal
36a5a438
16
Hexadecimal
7a172ec
20
Vigesimal
2002d18
36
Base36
247xt8
md5
0ce9fb224be9a05aa4ad34f478f171b7
sha1
f6ddf7e13511a6e6dd72f7f5c4965cd99d716ca0
sha256
effc36d4da98dc465675629a8ce5dc1759cdcb4976b49e058ab4e38353eb6b03
sha512
596019594acc88523dc8bee06b46e507316bf58ea30acfda1e031ac3562a2ea82fea4a53b5ed2e6866b93db8558a08e46c4e9b0b540e4832aa74d2aba603fd04
ripemd-160
e829959653c7e2aa537b83331a2d5b0019e8c142
Diameter
256042456
Circumference
804381098.77669
Area
5.148892802269E+16
Volume
8.7889010584913E+24
Surface area
2.0595571209076E+17
Circumference
804381098.77669
Perimeter
512084912
Area
16389434818627984
Diagonal
181049356.90926
Surface area
98336608911767904
Volume
2.0981955717067E+24
Space diagonal
221739271.34336
Perimeter
384063684
Area
7.0968334533005E+15
Altitude
110869635.67168
Surface area
7.0968334533005E+15
Volume
2.4727471950157E+23
Height
60349785.636419