20128028 is an even 8-digits composite number following 20128027
and preceding 20128029 . In scientific notation, it is written as 2.0128028 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 9999600 positive integers (up to 20128028) that are relatively prime to 20128028.
20128028 has 12 divisors, whose sum is 35449512
The reverse of 20128028 is 82082102
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-eight thousand twenty-eight
Scientific notation
2.0128028 × 10^7
Engineering notation
2.0128028 × 10^6
Prime Factorization
2 × 2 × 157 × 32051
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10064014
Product of the distinct prime numbers
The prime factorization of 20128028 is 2 × 2 × 157 × 32051.
Since it has a total of 4 prime factors.
8 , 6 , 8 , 26 , 252 , 413 , 2672 , 141 , 76355 , 26590 , 783703 , 417394 , 6638878 , 2000362 , 68108063 , 63533832 , 413768246 , 339872512 , 8498087 , 8789547483
n×2
40256056
n×3
60384084
n×4
80512112
n×5
100640140
n÷2
10064014
n÷3
6709342.6666667
n÷3
5032007
n÷5
4025605.6
n2
405137511168784
n3
8.1546191686556E+21
n4
1.6413640295604E+29
n5
3.3037421145184E+36
2 √n
4486.4270862235
3 √n
272.01973256498
4 √n
66.980796398845
5 √n
28.89084508639
1 , 2 , 4 , 157 , 314 , 628 , 32051 , 64102 , 128204 , 5032007 , 10064014 , 20128028
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128027
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128028 can be divided by 12 positive divisors.
The sum of these divisors (counting 20128028) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010000100011100
3
Ternary
1101212121110112
4
Quaternary
1030302010130
5
Quinary
20123044103
6
Senary
1555225152
8
Octal
114620434
10
Decimal
20128028
12
Duodecimal
68a81b8
16
Hexadecimal
133211c
20
Vigesimal
65g018
36
Base36
bzevw
md5
fde51d37b91a313da1eb23c20aac6212
sha1
22b13e85ea8444967d787e7bb1b22799d8458c1b
sha256
7606cc393460df6df4efb3f14871748e9381145434e762b83d661974e922a8be
sha512
091bf751a6bd422f5e20cbaa3f4decc8b4259d7e3a2605e81ead4772892adb85d76d821501edc3200ec757095d18523a1b635db485f1cfe66d03c8e8befd3469
ripemd-160
3ef85251ded3b931ab5cdb18656ceeca50d7949a
Diameter
40256056
Circumference
126468129.7921
Area
1.2727770287815E+15
Volume
3.4157988897428E+22
Surface area
5.091108115126E+15
Circumference
126468129.7921
Perimeter
80512112
Area
405137511168784
Diagonal
28465330.181425
Surface area
2430825067012704
Volume
8.1546191686556E+21
Space diagonal
34862767.152169
Perimeter
60384084
Area
1.7542968834908E+14
Altitude
17431383.576084
Surface area
1.7542968834908E+14
Volume
9.6103108535836E+20
Height
9488443.3938085