128215522 is an even 9-digits composite number following 128215521
and preceding 128215523 . In scientific notation, it is written as 1.28215522 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 64107760 positive integers (up to 128215522) that are relatively prime to 128215522.
128215522 has 4 divisors, whose sum is 192323286
The reverse of 128215522 is 225512821
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred twenty-eight million two hundred fifteen thousand five hundred twenty-two
Scientific notation
1.28215522 × 10^8
Engineering notation
1.28215522 × 10^6
Prime Factorization
2 × 64107761
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
128215522
Product of the distinct prime numbers
The prime factorization of 128215522 is 2 × 64107761.
Since it has a total of 2 prime factors.
3 , 9 , 62 , 18 , 90 , 876 , 3549 , 9875 , 43841 , 33412 , 945278 , 635959 , 4354028 , 234827 , 44406252 , 12040013 , 415646415 , 613321071 , 8895607890 , 1866539169
n×2
256431044
n×3
384646566
n×4
512862088
n×5
641077610
n÷2
64107761
n÷3
42738507.333333
n÷3
32053880.5
n÷5
25643104.4
n2
16439220081732484
n3
2.1077631840522E+24
n4
2.7024795689564E+32
n5
3.4649982862808E+40
2 √n
11323.229309698
3 √n
504.25111625304
4 √n
106.41066351498
5 √n
41.839657522436
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
-128215521
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 128215522 can be divided by 4 positive divisors.
The sum of these divisors (counting 128215522) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101001000110100111100010
3
Ternary
22221021000122001
4
Quaternary
13221012213202
5
Quinary
230310344042
6
Senary
20420034214
8
Octal
751064742
10
Decimal
128215522
12
Duodecimal
36b3296a
16
Hexadecimal
7a469e2
20
Vigesimal
2016ig2
36
Base36
24c3qa
md5
daf579957df97ff64594e7d9553fd77a
sha1
80f0cc33df7e95a63ded5b0a6e161f3a5ca95e4e
sha256
8b2b3fee2d2e77a3b1a53d19d63646eb491b4da7a22468ae1d4d73340870c7eb
sha512
1294f075aecc06ed9b9b259ea522a76ae9f697f4297e9a4a944d743d6e968e7be41bad536fcbfda57efbd0817c654c8ec5335bf321af64fc58cfa9f0744532cb
ripemd-160
654ccf558f922338550554fea728d8c80ab83c35
Diameter
256431044
Circumference
805601883.98276
Area
5.1645333039517E+16
Volume
8.8289777793673E+24
Surface area
2.0658133215807E+17
Circumference
805601883.98276
Perimeter
512862088
Area
16439220081732484
Diagonal
181324130.11915
Surface area
98635320490394904
Volume
2.1077631840522E+24
Space diagonal
222075798.42297
Perimeter
384646566
Area
7.1183911045918E+15
Altitude
111037899.21148
Surface area
7.1183911045918E+15
Volume
2.4840227342978E+23
Height
60441376.706382