128220271 is an odd 9-digits composite number following 128220270
and preceding 128220272 . In scientific notation, it is written as 1.28220271 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 126975312 positive integers (up to 128220271) that are relatively prime to 128220271.
128220271 has 4 divisors, whose sum is 129465232
The reverse of 128220271 is 172022821
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred twenty-eight million two hundred twenty thousand two hundred seventy-one
Scientific notation
1.28220271 × 10^8
Engineering notation
1.28220271 × 10^6
Prime Factorization
103 × 1244857
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128220271
Product of the distinct prime numbers
The prime factorization of 128220271 is 103 × 1244857.
Since it has a total of 2 prime factors.
7 , 6 , 18 , 3 , 604 , 845 , 7515 , 3573 , 99586 , 26549 , 579892 , 749967 , 8402129 , 3514802 , 81031097 , 74187012 , 584489872 , 200298288 , 3656587918 , 2250638817
n×2
256440542
n×3
384660813
n×4
512881084
n×5
641101355
n÷2
64110135.5
n÷3
42740090.333333
n÷3
32055067.75
n÷5
25644054.2
n2
16440437895313441
n3
2.1079974022958E+24
n4
2.7028799818966E+32
n5
3.4656400375925E+40
2 √n
11323.439009418
3 √n
504.25734186168
4 √n
106.41164884268
5 √n
41.839967459309
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-128220270
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 128220271 can be divided by 4 positive divisors.
The sum of these divisors (counting 128220271) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001000111110001101111
3
Ternary
22221021021010221
4
Quaternary
13221013301233
5
Quinary
230311022041
6
Senary
20420112211
8
Octal
751076157
10
Decimal
128220271
12
Duodecimal
36b35667
16
Hexadecimal
7a47c6f
20
Vigesimal
2017adb
36
Base36
24c7e7
md5
04694447b8f4ded71349d838b74ea307
sha1
83fa551fd991fa66181f9b392fa10fa25d16d61e
sha256
19db66f51db645e503969d717050443c87b89eceadcbee79c780a0c27906734c
sha512
1d45bd1b61da558109b6f9f9f367b98af1e7500db7bdbc50164e2a6878008e9807c212605dfd97f9565a1c68167843146c3540919cb3fdc09236b17105a52ecd
ripemd-160
96f595d866af74fdcb76e427210c749bfb6f0e1c
Diameter
256440542
Circumference
805631722.82978
Area
5.1649158913716E+16
Volume
8.8299588704516E+24
Surface area
2.0659663565486E+17
Circumference
805631722.82978
Perimeter
512881084
Area
16440437895313441
Diagonal
181330846.21935
Surface area
98642627371880646
Volume
2.1079974022958E+24
Space diagonal
222084023.93225
Perimeter
384660813
Area
7.1189184333409E+15
Altitude
111042011.96613
Surface area
7.1189184333409E+15
Volume
2.4842987631449E+23
Height
60443615.406451