20128569 is an odd 8-digits composite number following 20128568
and preceding 20128570 . In scientific notation, it is written as 2.0128569 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 13288560 positive integers (up to 20128569) that are relatively prime to 20128569.
20128569 has 8 divisors, whose sum is 27099072
The reverse of 20128569 is 96582102
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred twenty-eight thousand five hundred sixty-nine
Scientific notation
2.0128569 × 10^7
Engineering notation
2.0128569 × 10^6
Prime Factorization
3 × 103 × 65141
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20128569
Product of the distinct prime numbers
The prime factorization of 20128569 is 3 × 103 × 65141.
Since it has a total of 3 prime factors.
4 , 5 , 62 , 47 , 421 , 588 , 4198 , 2459 , 55647 , 28850 , 177645 , 218936 , 5083718 , 3669951 , 61199697 , 6663278 , 806797693 , 243106273 , 3921558054 , 7692573835
n×2
40257138
n×3
60385707
n×4
80514276
n×5
100642845
n÷2
10064284.5
n÷3
6709523
n÷3
5032142.25
n÷5
4025713.8
n2
405159289987761
n3
8.1552767245097E+21
n4
1.6415405026339E+29
n5
3.304186127356E+36
2 √n
4486.4873787853
3 √n
272.02216965349
4 √n
66.981246470824
5 √n
28.891000390021
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128568
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128569 can be divided by 8 positive divisors.
The sum of these divisors (counting 20128569) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010001100111001
3
Ternary
1101212122012120
4
Quaternary
1030302030321
5
Quinary
20123103234
6
Senary
1555231453
8
Octal
114621471
10
Decimal
20128569
12
Duodecimal
68a8589
16
Hexadecimal
1332339
20
Vigesimal
65g189
36
Base36
bzfax
md5
e3203579aa1942eef2fddb06d468e493
sha1
8160f55bb1919d41322c609bef6876829f6ba7f0
sha256
0d96f71909ed2c0335b42da559b301a24ad37bfa1e9e35d842808aad7aeb53b9
sha512
1444a2f5272f734e2518d844a4549b605e855d79513c52204492f699766683913461d9c7d425a6c818a7b59ebd5e49b2fdceef8d0b0734d306030b4dbaef011e
ripemd-160
ba5919aa0c1b6a3eb73f2c98c4eb841cc866ba1a
Diameter
40257138
Circumference
126471528.99535
Area
1.2728454489592E+15
Volume
3.4160743260948E+22
Surface area
5.0913817958368E+15
Circumference
126471528.99535
Perimeter
80514276
Area
405159289987761
Diagonal
28466095.270963
Surface area
2430955739926566
Volume
8.1552767245097E+21
Space diagonal
34863704.191656
Perimeter
60385707
Area
1.7543911885433E+14
Altitude
17431852.095828
Surface area
1.7543911885433E+14
Volume
9.6110857905893E+20
Height
9488698.4236542