20128828 is an even 8-digits composite number following 20128827
and preceding 20128829 . In scientific notation, it is written as 2.0128828 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 9416880 positive integers (up to 20128828) that are relatively prime to 20128828.
20128828 has 24 divisors, whose sum is 37537920
The reverse of 20128828 is 82882102
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million one hundred twenty-eight thousand eight hundred twenty-eight
Scientific notation
2.0128828 × 10^7
Engineering notation
2.0128828 × 10^6
Prime Factorization
2 × 2 × 19 × 83 × 3191
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10064414
Product of the distinct prime numbers
The prime factorization of 20128828 is 2 × 2 × 19 × 83 × 3191.
Since it has a total of 5 prime factors.
2 , 6 , 15 , 83 , 506 , 106 , 4293 , 1329 , 65253 , 46808 , 460020 , 237593 , 2152046 , 874703 , 40141768 , 47074724 , 714540807 , 526161524 , 778472663 , 5386634803
n×2
40257656
n×3
60386484
n×4
80515312
n×5
100644140
n÷2
10064414
n÷3
6709609.3333333
n÷3
5032207
n÷5
4025765.6
n2
405169716653584
n3
8.1555915373287E+21
n4
1.6416249929315E+29
n5
3.3043987123218E+36
2 √n
4486.5162431446
3 √n
272.02333637726
4 √n
66.981461936453
5 √n
28.891074739376
1 , 2 , 4 , 19 , 38 , 76 , 83 , 166 , 332 , 1577 , 3154 , 3191 , 6308 , 6382 , 12764 , 60629 , 121258 , 242516 , 264853 , 529706 , 1059412 , 5032207 , 10064414 , 20128828
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128827
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128828 can be divided by 24 positive divisors.
The sum of these divisors (counting 20128828) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110010010000111100
3
Ternary
1101212122120011
4
Quaternary
1030302100330
5
Quinary
20123110303
6
Senary
1555233004
8
Octal
114622074
10
Decimal
20128828
12
Duodecimal
68a8764
16
Hexadecimal
133243c
20
Vigesimal
65g218
36
Base36
bzfi4
md5
a85473a871c8bab674fa3a40142b92c1
sha1
62ecf0f8a2c632279fe0a1431060e18094064636
sha256
4d2cab12275cfd40f4ebc27b1ba930df5b31f3865f4f9fda505d1db96f1cf8b5
sha512
e692e66e79ce5a426ae95d032a77d64267a374da406a10e06c5e858a247962b8d6c7d34acf3a63e17a1604331221787c20b6a372eeb840b31c7e6b9520feee26
ripemd-160
63337a3b0cafa1bdf1edb5ab51b743f49f078990
Diameter
40257656
Circumference
126473156.34035
Area
1.272878205296E+15
Volume
3.4162061945801E+22
Surface area
5.0915128211838E+15
Circumference
126473156.34035
Perimeter
80515312
Area
405169716653584
Diagonal
28466461.552275
Surface area
2431018299921504
Volume
8.1555915373287E+21
Space diagonal
34864152.792815
Perimeter
60386484
Area
1.7544363373307E+14
Altitude
17432076.396408
Surface area
1.7544363373307E+14
Volume
9.6114568010546E+20
Height
9488820.5174251