20128085 is an odd 8-digits composite number following 20128084
and preceding 20128086 . In scientific notation, it is written as 2.0128085 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 14800128 positive integers (up to 20128085) that are relatively prime to 20128085.
20128085 has 16 divisors, whose sum is 26174016
The reverse of 20128085 is 58082102
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-eight thousand eighty-five
Scientific notation
2.0128085 × 10^7
Engineering notation
2.0128085 × 10^6
Prime Factorization
5 × 17 × 43 × 5507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20128085
Product of the distinct prime numbers
The prime factorization of 20128085 is 5 × 17 × 43 × 5507.
Since it has a total of 4 prime factors.
2 , 6 , 73 , 65 , 659 , 737 , 7257 , 3036 , 60155 , 21457 , 476887 , 469405 , 7876438 , 6182797 , 17129473 , 54013907 , 804508277 , 275332349 , 8734467807 , 7402147680
n×2
40256170
n×3
60384255
n×4
80512340
n×5
100640425
n÷2
10064042.5
n÷3
6709361.6666667
n÷3
5032021.25
n÷5
4025617
n2
405139805767225
n3
8.1546884473662E+21
n4
1.641382622171E+29
n5
3.3037888936582E+36
2 √n
4486.4334387128
3 √n
272.01998933977
4 √n
66.980843819056
5 √n
28.890861449407
1 , 5 , 17 , 43 , 85 , 215 , 731 , 3655 , 5507 , 27535 , 93619 , 236801 , 468095 , 1184005 , 4025617 , 20128085
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20128084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128085 can be divided by 16 positive divisors.
The sum of these divisors (counting 20128085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110010000101010101
3
Ternary
1101212121112122
4
Quaternary
1030302011111
5
Quinary
20123044320
6
Senary
1555225325
8
Octal
114620525
10
Decimal
20128085
12
Duodecimal
68a8245
16
Hexadecimal
1332155
20
Vigesimal
65g045
36
Base36
bzexh
md5
8a3fae28a46b6884fe468416321621a4
sha1
2826c664715fd12a4a2187b37a9b011d1c2d97bf
sha256
32e84f561761a14f7172bcc79df143b9e721d10f45d8e511d53c7592f446dcac
sha512
e4860f518f7805e64b823f9b7c58d02cb83a29fff9f83f9fc011c98d4a76f5926b1c533e08cab26cee4fbf5aef67d82591087c560dac9ffc5e947e84862344e4
ripemd-160
d426b691f8516bb789e46e13018a8d3bf2b21cf9
Diameter
40256170
Circumference
126468487.93366
Area
1.2727842374751E+15
Volume
3.4158279091412E+22
Surface area
5.0911369499004E+15
Circumference
126468487.93366
Perimeter
80512340
Area
405139805767225
Diagonal
28465410.791598
Surface area
2430838834603350
Volume
8.1546884473662E+21
Space diagonal
34862865.879065
Perimeter
60384255
Area
1.7543068193936E+14
Altitude
17431432.939533
Surface area
1.7543068193936E+14
Volume
9.6103924993271E+20
Height
9488470.2638662