20128703 is an odd 8-digits composite number following 20128702
and preceding 20128704 . In scientific notation, it is written as 2.0128703 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 15396480 positive integers (up to 20128703) that are relatively prime to 20128703.
20128703 has 8 divisors, whose sum is 20866560
The reverse of 20128703 is 30782102
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-eight thousand seven hundred three
Scientific notation
2.0128703 × 10^7
Engineering notation
2.0128703 × 10^6
Prime Factorization
4991 × 37 × 109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20128703
Product of the distinct prime numbers
The prime factorization of 20128703 is 4991 × 37 × 109.
Since it has a total of 3 prime factors.
5 , 10 , 45 , 31 , 255 , 944 , 4790 , 772 , 42448 , 12121 , 648278 , 114858 , 5521730 , 6324045 , 76271408 , 42797497 , 666091336 , 522532533 , 8509663733 , 7546010985
n×2
40257406
n×3
60386109
n×4
80514812
n×5
100643515
n÷2
10064351.5
n÷3
6709567.6666667
n÷3
5032175.75
n÷5
4025740.6
n2
405164684462209
n3
8.1554395996285E+21
n4
1.6415842153536E+29
n5
3.3042961120341E+36
2 √n
4486.5023124924
3 √n
272.02277328788
4 √n
66.98135794751
5 √n
28.891038856578
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
-20128702
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 20128703 can be divided by 8 positive divisors.
The sum of these divisors (counting 20128703) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010001110111111
3
Ternary
1101212122101112
4
Quaternary
1030302032333
5
Quinary
20123104303
6
Senary
1555232235
8
Octal
114621677
10
Decimal
20128703
12
Duodecimal
68a867b
16
Hexadecimal
13323bf
20
Vigesimal
65g1f3
36
Base36
bzfen
md5
661f0266d3ac37ec44b7e29ca33ba2c4
sha1
3533d3dc7fbd2d0f78339da0662224092d2ebfbd
sha256
3cb097ff8a27e7b33d4f64d38f4c97a5495fb7405bf3c71e6ceab202fd407491
sha512
d242a7233353bf4cf48f7022b2b4256181419e0132afd7df8b95614ef973754de03cef971aaef8fb52c065a7a7b22658eb908ac57508fcbbbcb137aea2cd9f56
ripemd-160
313a567f77e779672f38cd5ee111468ef6009270
Diameter
40257406
Circumference
126472370.94218
Area
1.2728623962005E+15
Volume
3.4161425510651E+22
Surface area
5.091449584802E+15
Circumference
126472370.94218
Perimeter
80514812
Area
405164684462209
Diagonal
28466284.77558
Surface area
2430988106773254
Volume
8.1554395996285E+21
Space diagonal
34863936.286464
Perimeter
60386109
Area
1.7544145473029E+14
Altitude
17431968.143232
Surface area
1.7544145473029E+14
Volume
9.6112777407577E+20
Height
9488761.59186