20128620 is an even 8-digits composite number following 20128619
and preceding 20128621 . In scientific notation, it is written as 2.0128620 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 5367616 positive integers (up to 20128620) that are relatively prime to 20128620.
20128620 has 12 divisors, whose sum is 37573536
The reverse of 20128620 is 02682102
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred twenty-eight thousand six hundred twenty
Scientific notation
2.0128620 × 10^7
Engineering notation
2.0128620 × 10^6
Prime Factorization
2 × 2 × 15 × 335477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10064310
Product of the distinct prime numbers
The prime factorization of 20128620 is 2 × 2 × 15 × 335477.
Since it has a total of 4 prime factors.
1 , 7 , 16 , 53 , 24 , 309 , 3666 , 3798 , 69744 , 36502 , 682054 , 237802 , 1253974 , 1977000 , 30915018 , 32110768 , 198622820 , 893069297 , 4416902446 , 9660220478
n×2
40257240
n×3
60385860
n×4
80514480
n×5
100643100
n÷2
10064310
n÷3
6709540
n÷3
5032155
n÷5
4025724
n2
405161343104400
n3
8.1553387140381E+21
n4
1.6415571394616E+29
n5
3.304227986851E+36
2 √n
4486.4930625155
3 √n
272.02239939525
4 √n
66.981288898584
5 √n
28.891015030302
1 , 2 , 4 , 15 , 30 , 60 , 335477 , 670954 , 1341908 , 5032155 , 10064310 , 20128620
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
-20128619
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 20128620 can be divided by 12 positive divisors.
The sum of these divisors (counting 20128620) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010001101101100
3
Ternary
1101212122021110
4
Quaternary
1030302031230
5
Quinary
20123103440
6
Senary
1555232020
8
Octal
114621554
10
Decimal
20128620
12
Duodecimal
68a8610
16
Hexadecimal
133236c
20
Vigesimal
65g1b0
36
Base36
bzfcc
md5
e8a1a4feaec861ede65a3673861ff547
sha1
dadf7448ecc4abec3132ff0ffa30b764c9d79cc9
sha256
f54676bac88cb31b482c947923ef8fdba878ddfb92fda5d1f70b7ca7861e36ce
sha512
11b01298e66436075912a686caa0f820ef63fa12f04a1f1d328750c607d6faeb9e12cae6bda7a1b7e736c7ba0984161958bde4de97ef57dba2147f155cc402df
ripemd-160
b12294a22704baa9482c1c25cdec79f37d299bad
Diameter
40257240
Circumference
126471849.4378
Area
1.2728518990154E+15
Volume
3.4161002922078E+22
Surface area
5.0914075960614E+15
Circumference
126471849.4378
Perimeter
80514480
Area
405161343104400
Diagonal
28466167.395854
Surface area
2430968058626400
Volume
8.1553387140381E+21
Space diagonal
34863792.526247
Perimeter
60385860
Area
1.7544000787992E+14
Altitude
17431896.263124
Surface area
1.7544000787992E+14
Volume
9.6111588459492E+20
Height
9488722.4652848