20128057 is an odd 8-digits composite number following 20128056
and preceding 20128058 . In scientific notation, it is written as 2.0128057 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 20113380 positive integers (up to 20128057) that are relatively prime to 20128057.
20128057 has 4 divisors, whose sum is 20142736
The reverse of 20128057 is 75082102
Previous prime number is 1531
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred twenty-eight thousand fifty-seven
Scientific notation
2.0128057 × 10^7
Engineering notation
2.0128057 × 10^6
Prime Factorization
1531 × 13147
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20128057
Product of the distinct prime numbers
The prime factorization of 20128057 is 1531 × 13147.
Since it has a total of 2 prime factors.
5 , 3 , 39 , 25 , 436 , 270 , 8671 , 6274 , 99811 , 2636 , 154258 , 624590 , 1830813 , 1366570 , 52497254 , 41631047 , 824881765 , 158525247 , 8890994017 , 2536475515
n×2
40256114
n×3
60384171
n×4
80512228
n×5
100640285
n÷2
10064028.5
n÷3
6709352.3333333
n÷3
5032014.25
n÷5
4025611.4
n2
405138678595249
n3
8.1546544156699E+21
n4
1.641373488939E+29
n5
3.3037659143654E+36
2 √n
4486.4303181928
3 √n
272.01986320485
4 √n
66.98082052493
5 √n
28.890853411438
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
-20128056
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 20128057 can be divided by 4 positive divisors.
The sum of these divisors (counting 20128057) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010000100111001
3
Ternary
1101212121111121
4
Quaternary
1030302010321
5
Quinary
20123044212
6
Senary
1555225241
8
Octal
114620471
10
Decimal
20128057
12
Duodecimal
68a8221
16
Hexadecimal
1332139
20
Vigesimal
65g02h
36
Base36
bzewp
md5
3bebd92e33a5b9cad9db4012313d66e5
sha1
b11bdb0a81c299b955dd3f243e848f9650abc1ba
sha256
8ae7f7cde63b2ec05656a5ac42d3bf3fc32da988017710fb53cd115310d3841c
sha512
e50e03208aa9115c4e1e326e42876c03bc5b2030d8c68852cbb1a8f16a77f8116ff3563b7575feb8643df6b944bd7a6561b92e4e3c4bf40a0660967e6a593626
ripemd-160
6f17fb8b18b2a88cb8aa9c050e1b60a27958996f
Diameter
40256114
Circumference
126468312.00447
Area
1.2727806963599E+15
Volume
3.4158136539776E+22
Surface area
5.0911227854396E+15
Circumference
126468312.00447
Perimeter
80512228
Area
405138678595249
Diagonal
28465371.193619
Surface area
2430832071571494
Volume
8.1546544156699E+21
Space diagonal
34862817.381642
Perimeter
60384171
Area
1.7543019385957E+14
Altitude
17431408.690821
Surface area
1.7543019385957E+14
Volume
9.6103523925883E+20
Height
9488457.0645396