20138128 is an even 8-digits composite number following 20138127
and preceding 20138129 . In scientific notation, it is written as 2.0138128 × 10^7.
The sum of its digits is 25. It has a total of 6 prime factors and 20 positive divisors.
There are 10016384 positive integers (up to 20138128) that are relatively prime to 20138128.
20138128 has 20 divisors, whose sum is 39221820
The reverse of 20138128 is 82183102
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million one hundred thirty-eight thousand one hundred twenty-eight
Scientific notation
2.0138128 × 10^7
Engineering notation
2.0138128 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 197 × 6389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2517266
Product of the distinct prime numbers
The prime factorization of 20138128 is 2 × 2 × 2 × 2 × 197 × 6389.
Since it has a total of 6 prime factors.
5 , 2 , 95 , 14 , 634 , 960 , 575 , 8877 , 72481 , 30934 , 910322 , 66814 , 9844890 , 5648047 , 86268759 , 30926666 , 365336037 , 246081248 , 8065583575 , 7901569766
n×2
40276256
n×3
60414384
n×4
80552512
n×5
100690640
n÷2
10069064
n÷3
6712709.3333333
n÷3
5034532
n÷5
4027625.6
n2
405544199344384
n3
8.1669009960547E+21
n4
1.6446609762188E+29
n5
3.3120393255699E+36
2 √n
4487.5525623663
3 √n
272.06522368959
4 √n
66.98919735574
5 √n
28.893743919647
1 , 2 , 4 , 8 , 16 , 197 , 394 , 788 , 1576 , 3152 , 6389 , 12778 , 25556 , 51112 , 102224 , 1258633 , 2517266 , 5034532 , 10069064 , 20138128
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20138127
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20138128 can be divided by 20 positive divisors.
The sum of these divisors (counting 20138128) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100110100100010010000
3
Ternary
1101220010022121
4
Quaternary
1030310202100
5
Quinary
20123410003
6
Senary
1555344024
8
Octal
114644220
10
Decimal
20138128
12
Duodecimal
68b2014
16
Hexadecimal
1334890
20
Vigesimal
65h568
36
Base36
bzmog
md5
a6510827b92bcffde4fcb8a6bb248eef
sha1
5af37e6b1ee11ec63bfb2bc2e0a2574ecd1b4c5d
sha256
43a43d10952f4c27c5835db935a50899004105b008343ef742bcc22edc58fc13
sha512
4b728ec313b0d3598274617b11fb19f084546af27b4ad48b1b3fa656336d81f7e37c3710da646db5e9139e33f758efa69c5d8ea26f2a42ef736d6ac90a106347
ripemd-160
f4712ab599de3076e034b783869fa1c14fe2104a
Diameter
40276256
Circumference
126531589.9637
Area
1.2740546773663E+15
Volume
3.4209434895734E+22
Surface area
5.0962187094651E+15
Circumference
126531589.9637
Perimeter
80552512
Area
405544199344384
Diagonal
28479613.738405
Surface area
2433265196066304
Volume
8.1669009960547E+21
Space diagonal
34880260.865325
Perimeter
60414384
Area
1.7560578949483E+14
Altitude
17440130.432663
Surface area
1.7560578949483E+14
Volume
9.6247851259824E+20
Height
9493204.5794685