20128938 is an even 8-digits composite number following 20128937
and preceding 20128939 . In scientific notation, it is written as 2.0128938 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 6709644 positive integers (up to 20128938) that are relatively prime to 20128938.
20128938 has 8 divisors, whose sum is 40257888
The reverse of 20128938 is 83982102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred twenty-eight thousand nine hundred thirty-eight
Scientific notation
2.0128938 × 10^7
Engineering notation
2.0128938 × 10^6
Prime Factorization
2 × 3 × 3354823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20128938
Product of the distinct prime numbers
The prime factorization of 20128938 is 2 × 3 × 3354823.
Since it has a total of 3 prime factors.
2 , 5 , 84 , 87 , 30 , 515 , 156 , 9714 , 69214 , 78818 , 92057 , 854209 , 4934770 , 3671369 , 23283340 , 60410488 , 557007953 , 271417375 , 9410327008 , 1077898039
n×2
40257876
n×3
60386814
n×4
80515752
n×5
100644690
n÷2
10064469
n÷3
6709646
n÷3
5032234.5
n÷5
4025787.6
n2
405174145007844
n3
8.1557252440659E+21
n4
1.6416608778284E+29
n5
3.3044890026833E+36
2 √n
4486.5285020827
3 √n
272.02383189398
4 √n
66.981553446323
5 √n
28.89110631609
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
-20128937
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 20128938 can be divided by 8 positive divisors.
The sum of these divisors (counting 20128938) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110010010010101010
3
Ternary
1101212122201020
4
Quaternary
1030302102222
5
Quinary
20123111223
6
Senary
1555233310
8
Octal
114622252
10
Decimal
20128938
12
Duodecimal
68a8836
16
Hexadecimal
13324aa
20
Vigesimal
65g26i
36
Base36
bzfl6
md5
e04dc28a93b172ab394f9d714b86216f
sha1
8acdb220fa3e17e96e76099775f20434bec56426
sha256
73aee64fc912b7a5ae212ace43fe20ecd93f7263003f45b7c9b6fab02659f200
sha512
c347d7fdd7d4461b382f748f2ef62878112293f1ebbdf1d036719debb7a863b8a845f93f94888f975de5c4a6f2ce4215c6c984bbe6cd72724b2a7d5bff7c55e6
ripemd-160
049f4d1af854704a77f33143164dbaf3bf2e03a9
Diameter
40257876
Circumference
126473847.49073
Area
1.2728921173812E+15
Volume
3.4162622015272E+22
Surface area
5.0915684695247E+15
Circumference
126473847.49073
Perimeter
80515752
Area
405174145007844
Diagonal
28466617.115767
Surface area
2431044870047064
Volume
8.1557252440659E+21
Space diagonal
34864343.318404
Perimeter
60386814
Area
1.7544555126672E+14
Altitude
17432171.659202
Surface area
1.7544555126672E+14
Volume
9.6116143759555E+20
Height
9488872.3719224